Signal Devices

Buzzers, Indicators & Sirens

Made in the USA

Board Mount Buzzers

  • DC Circuitry Included
  • For Sealed Parts, order with "S" suffix
  • 15 New Unique Warning Sounds
  • dB Distance = 30 cm
  • RoHS Compliant

              Here, you will find some of the most popular models for this line, but there are more. Click below for a full catalog.

              Specialty Piezzo Buzzers
              Model Sound Type Frequency Min. Volt Max. Volt Volt Type Max. db Size
              MSE14LCH2 Bird Chirp 4.5-3.2kHz 7 14 DC 95 23x14mm
              MSE14LCH2S Bird Chirp 4.5-3.2kHz 7 14 DC 95 23x14mm
              MSE14LCM1 Chime 3900 7 14 DC 95 23x14mm
              MSE14LCM1S Chime 3900 7 14 DC 95 23x14mm
              MSE14LCM3 Fast Chime 3900 7 14 DC 95 23x14mm
              MSE14LCM3S Fast Chime 3900 7 14 DC 95 23x14mm
              MSE14LDD7 Ding Dong 4.3-3.4kHz 7 14 DC 95 23x14mm
              MSE14LDD7S Ding Dong 4.3-3.4kHz 7 14 DC 95 23x14mm
              MSE14LDP2 Fast Double Pulse 3900 7 14 DC 95 23x14mm
              MSE14LDP2S Fast Double Pulse 3900 7 14 DC 95 23x14mm
              MSE14LDP3 Slow Double Pulse 3900 7 14 DC 95 23x14mm
              MSE14LDP3S Slow Double Pulse 3900 7 14 DC 95 23x14mm
              MSE14LDT7 Fast Warble 3.9-3.8kHz 7 14 DC 95 23x14mm
              MSE14LDT7S Fast Warble 3.9-3.8kHz 7 14 DC 95 23x14mm
              MSE14LDT8 Slow Warble 3.9-3.8kHz 7 14 DC 95 23x14mm
              MSE14LDT8S Slow Warble 3.9-3.8kHz 7 14 DC 95 23x14mm
              MSE14LPS1 Short Pulse 3900 7 14 DC 95 23x14mm
              MSE14LPS1S Short Pulse 3900 7 14 DC 95 23x14mm
              MSE14LSN2 Slow Siren 2.1-5.9kHz 7 14 DC 95 23x14mm
              MSE14LSN2S Slow Siren 2.1-5.9kHz 7 14 DC 95 23x14mm
              MSE14LSN3 Fast Siren 2.1-5.9kHz 7 14 DC 95 23x14mm
              MSE14LSN3S Fast Siren 2.1-5.9kHz 7 14 DC 95 23x14mm
              MSE14LSU2 Fast Speed Up 3900 7 14 DC 95 23x14mm
              MSE14LSU2S Fast Speed Up 3900 7 14 DC 95 23x14mm
              MSE14LTT3 Telephone Ringer 3.0-3.7kHz 7 14 DC 95 23x14mm
              MSE14LTT3S Telephone Ringer 3.0-3.7kHz 7 14 DC 95 23x14mm
              MSE14LWH1 Fast Whooping 2.1-5.8kHz 7 14 DC 95 23x14mm
              MSE14LWH1S Fast Whooping 2.1-5.8kHz 7 14 DC 95 23x14mm
              MSE14LWH2 Slow Whooping 2.1-5.8kHz 7 14 DC 95 23x14mm

              Crosswalk Alarms

              • Pedestrian Crosswalk Applications
              • Cuckoo Bird Sound: North-South
              • Chirp Bird Sound: East-West
              • 120 Vac
              • Fits in 30mm Panel Hole
              • dB Distance = 2 ft (60 cm)

                        Click below for the application guide for this line of products.

                        Crosswalk Buzzers
                        Model Sound Type Frequency Min. Volt Max. Volt Volt Type Max. db Size
                        VSB110-1 Cuckoo 1000 120 120 AC Only 85 1.69x3in
                        VSB110-2 Chirp 2000 120 120 AC Only 85 1.69x3in

                        Hazardous Locations Alarms

                        • Class I Div II Groups A, B, C, & D
                        • cUL Approved
                        • NEMA 4X
                        • Fits in 30mm Panel Hole
                        • dB Distance = 2 ft (60 cm)

                                Here, you will find some of the most popular models for this line, but there are more. Click below for a full catalog.

                                HazOp Buzzers
                                Model Sound Type Frequency Min. Volt Max. Volt Volt Type Max. db Size
                                SCH105R Continuous 2900 1 5 DC 83 1.69x1.41in
                                SCH110NJR Slow Pulse 2900 30 120 AC/DC 98 1.69x1.41in
                                SCH110NPR Fast Pulse 2900 30 120 AC/DC 101 1.69x1.41in
                                SCH110NR Continuous 2900 30 120 AC/DC 100 1.69x1.41in
                                SCH110PR Fast Pulse 2900 30 120 AC/DC 89 1.69x1.41in
                                SCH110R Continuous 2900 30 120 AC/DC 92 1.69x1.41in
                                SCH250PR Fast Pulse 2900 60 250 AC/DC 86 1.69x1.41in
                                SCH250R Continuous 2900 60 250 AC/DC 88 1.69x1.41in
                                SCH307NR Continuous 2900 3 7 DC 97 1.69x1.41in
                                SCH416R Continuous 2900 4 16 DC 89 1.69x1.41in
                                SCH616CPR Chime 2900 6 16 DC 81 1.69x1.41in
                                SCH616NPR Fast Pulse 2900 6 16 DC 102 1.69x1.41in
                                SCH616NR Continuous 2900 6 16 DC 105 1.69x1.41in
                                SCH628ANPR Fast Pulse 2900 6 28 AC/DC 103 1.69x1.41in
                                SCH628ANR Continuous 2900 6 28 AC/DC 103 1.69x1.41in
                                SCH628AR Continuous 2900 6 28 AC/DC 89 1.69x1.41in
                                SCH628DR Continuous 1900 6 28 DC 78 1.69x1.41in
                                SCH628NLR Continuous 2900 6 28 DC 97 1.69x1.41in
                                SCH628NR Continuous 2900 6 28 DC 97 1.69x1.41in
                                SCH628PR Fast Pulse 2900 6 28 DC 89 1.69x1.41in
                                SCH628R Continuous 2900 6 28 DC 90 1.69x1.41in
                                SCH648AR Continuous 2900 10 48 AC/DC 91 1.69x1.41in
                                SCH648R Continuous 2900 10 48 DC 91 1.69x1.41in

                                Military-Grade Rugged Alarms

                                • Cage Code 90201
                                • -40C to 85C Operating Temp Range
                                • Fits in 30mm Panel Hole
                                • Extended Environmental Testing
                                • dB Distance = 2 ft (60 cm)

                                      Here, you will find some of the most popular models for this line, but there are more. Click below for a full catalog.

                                      Rugged Buzzers
                                      Model Sound Type Frequency Min. Volt Max. Volt Volt Type Max. db Size
                                      SC110M Continuous 2900 30 120 AC/DC 92 1.69x1.9in
                                      SC110MH Continuous 4500 30 120 AC/DC 92 1.69x1.9in
                                      SC110MN Continuous 2900 30 120 AC/DC 100 1.69x1.9in
                                      SC250M Continuous 2900 60 250 AC/DC 88 1.69x1.9in
                                      SC616MN Continuous 2900 6 16 DC 105 1.69x1.41in
                                      SC616MPU Dual Mode- C/FP 2900 6 16 DC 88 1.69x1.41in
                                      SC628M Continuous 2900 6 28 DC 90 1.69x1.41in
                                      SC628MA Continuous 2900 6 28 AC/DC 88 1.69x1.9in
                                      SC628MAH Continuous 4500 6 28 AC/DC 89 1.69x1.9in
                                      SC628MD Continuous 1900 6 28 DC 78 1.69x1.41in
                                      SC628MH Continuous 4500 6 28 DC 89 1.69x1.41in
                                      SC628MHP Fast Pulse 4500 6 28 DC 89 1.69x1.9in
                                      SC628MN Continuous 2900 6 28 DC 97 1.69x1.41in
                                      SC628MNP Fast Pulse 2900 6 28 DC 95 1.69x1.9in
                                      SC628MP Fast Pulse 2900 6 28 DC 89 1.69x1.9in
                                      SC628MW Fast Warble 2900 6 28 DC 89 1.69x1.9in
                                      SC648M Continuous 2900 10 48 DC 80 1.69x1.41in
                                      SC648MA Continuous 2900 10 48 AC/DC 89 1.69x1.9in
                                      SC648MAH Continuous 4500 10 48 AC/DC 93 1.69x1.9in
                                      SC648MAN Continuous 2900 10 48 AC/DC 104 1.69x1.9in
                                      SC648MD Continuous 1900 10 48 DC 79 1.69x1.41in

                                      30mm Alarms with LED Indicators

                                      • Fits in 30mm Panel Hole
                                      • Blinking Red LED Light
                                      • Continuous Sound
                                      • dB Distance = 2 ft (60cm)
                                      • RoHS Compliant

                                              Here, you will find some of the most popular models for this line, but there are more. Click below for a full catalog.

                                              30mm LED Buzzers
                                              Model Sound Type Frequency Min. Volt Max. Volt Volt Type Max. db RoHs UL Size
                                              LSC110NR Continuous 2900 30 120 AC/DC 98 Yes No 1.69x1.41in
                                              LSC250NR Continuous 2900 60 250 AC/DC 87 Yes No 1.69x1.41in
                                              LSC616NR Continuous 2900 6 16 DC 95 Yes No 1.69x1.41in
                                              LSC628ANR Continuous 2900 9 28 AC/DC 99 Yes No 1.69x1.41in

                                              30mm Alarms with Wires

                                              • Fits in 30mm Panel Hole
                                              • Wire Termination
                                              • dB Distance = 2 ft

                                                    Here, you will find some of the most popular models for this line, but there are more. Click below for a full catalog.

                                                    30mm Wired Buzzers
                                                    Model Sound Type Frequency Min. Volt Max. Volt Volt Type Max. db RoHs UL Size
                                                    SC616NLR Continuous 2900 6 16 DC 105 Yes Yes 1.69x1.41in
                                                    SC628LR Continuous 2900 6 28 DC 90 Yes Yes 1.69x1.41in
                                                    SC628NLR Continuous 2900 6 28 DC 97 Yes Yes 1.69x1.41in
                                                    SCE016XD3MG1W Multi-Tone 2900 6 16 DC 105 Yes Yes 1.69x1.41in

                                                    30mm Alarms with Flat Blade Terminals

                                                    • Fits in 30mm Panel Hole
                                                    • Standard 0.25" Fast-on Terminal
                                                    • Most Models cUL Approved
                                                    • NEMA 4X w/P/N ACC03
                                                    • dB Distance = 2 ft (60cm)

                                                        Here, you will find some of the most popular models for this line, but there are more. Click below for a full catalog.

                                                        30mm Flat Terminals Buzzers
                                                        Model Sound Type Frequency Min. Volt Max. Volt Volt Type Min. db Max. db Size
                                                        SC616CP-BTR Chime 2900 6 16 DC 74 81 1.69x1.41in
                                                        SC616J-1R Slow Pulse 2900 6 16 DC 75 84 1.69x1.41in
                                                        SC616N-BTR Continuous 2900 6 16 DC 95 105 1.69x1.41in
                                                        SC616NJ-BTR Slow Pulse 2900 6 16 DC 92 101 1.69x1.41in
                                                        SC616NP-BTR Fast Pulse 2900 6 16 DC 91 102 1.69x1.41in
                                                        SC616P-1R Fast Pulse 2900 6 16 DC 75 84 1.69x1.41in
                                                        SC628AN-BTR Continuous 2900 6 28 AC/DC 88 101 1.69x1.41in
                                                        SC628-BTR Continuous 2900 6 28 DC 80 91 1.69x1.41in
                                                        SC628D-BTR Continuous 1900 6 28 DC 67 80 1.69x1.41in
                                                        SC628H-BTR Continuous 4500 6 28 DC 78 89 1.69x1.41in
                                                        SC628N-BTR Continuous 2900 6 28 DC 86 97 1.69x1.41in
                                                        SC628P-BTR Fast Pulse 2900 6 28 DC 79 89 1.69x1.41in
                                                        SCE016LD3MP1F Medium Pulse 2900 6 16 DC 85 95 1.69x1.41in
                                                        SCE016XD3MG5F Multi-Tone 2900 6 16 DC 85 105 1.69x1.41in
                                                        SCE028MD3MP1F Medium Pulse 2900 16 28 DC 75 85 1.69x1.41in
                                                        Fast Pulse 2900 6 16 DC 85 95 1.69x1.41in
                                                        SCE016LD3MG3B Multi-Tone 2900 6 16 DC 85 95 1.69x1.41in
                                                        SCE016LD3MG4B Multi-Tone 2900 6 16 DC 85 95 1.69x1.41in
                                                        SCE016LD3MG5B Multi-Tone 2900 6 16 DC 85 95 1.69x1.41in
                                                        SCE016LD3MP1B Medium Pulse 2900 6 16 DC 85 95 1.69x1.41in
                                                        SCE016LD3PS1B Short Pulse 2900 6 16 DC 85 95 1.69x1.41in
                                                        SCE016LD3QP1B Chirp 2900 6 16 DC 85 95 1.69x1.41in
                                                        SCE016LD3SD5B 1 Min Double Pulse 2900 6 16 DC 85 95 1.69x1.41in
                                                        SCE016LD3SP1B Slow Pulse 2900 6 16 DC 85 95 1.69x1.41in
                                                        SCE016LD3SR3B Fast Siren 2900 6 16 DC 85 95 1.69x1.41in
                                                        SCE016LD3SR4B Slow Siren 2900 6 16 DC 85 95 1.69x1.41in
                                                        SCE016LD3SS1B 1 Min Continuous 2900 6 16 DC 85 95 1.69x1.41in
                                                        SCE016LD3SU1B Slow Speed Up 2900 6 16 DC 85 95 1.69x1.41in
                                                        SCE016LD3SU2B Fast Speed Up 2900 6 16 DC 85 95 1.69x1.41in

                                                        30mm Alarms with Terminal Block Connection

                                                          • Fits in 30mm Panel Hole
                                                          • cUL Approved
                                                          • Finger-proof Safe Termination
                                                          • NEMA 4X w/P/N ACC03
                                                          • dB Distance = 2 ft (60cm)

                                                          Here, you will find some of the most popular models for this line, but there are more. Click below for a full catalog.

                                                          30mm Terminal Block Buzzers
                                                          Model Sound Type Frequency Min. Volt Max. Volt Volt Type Min. db Max. db Size
                                                          SCE016LD2CTB Continuous 2000 6 16 DC 85 96 1.69x1.41in
                                                          SCE016LD2DP2B Fast Double Pulse 2000 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD2DP3B Slow Double Pulse 2000 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD2FP1B Fast Pulse 2000 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD2MP1B Medium Pulse 2000 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD2SP1B Slow Pulse 2000 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD3CK1B Click Pulse 2900 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD3CM1B Chime 2900 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD3CTB Continuous 2900 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD3DL1B 10 S Delay Cont 2900 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD3DP2B Fast Double Pulse 2900 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD3DP3B Slow Double Pulse 2900 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD3DT7B Fast Warble 2950 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD3DT8B Slow Warble 2950 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD3ED5B 10 S Delay Double 2900 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD3FP1B Fast Pulse 2900 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD3MG3B Multi-Tone 2900 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD3MG4B Multi-Tone 2900 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD3MG5B Multi-Tone 2900 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD3MP1B Medium Pulse 2900 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD3PS1B Short Pulse 2900 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD3QP1B Chirp 2900 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD3SD5B 1 Min Double Pulse 2900 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD3SP1B Slow Pulse 2900 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD3SR3B Fast Siren 2900 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD3SR4B Slow Siren 2900 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD3SS1B 1 Min Continuous 2900 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD3SU1B Slow Speed Up 2900 6 16 DC 85 95 1.69x1.41in
                                                          SCE016LD3SU2B Fast Speed Up 2900 6 16 DC 85 95 1.69x1.41in
                                                          Model Sound Type Frequency Min. Volt Max. Volt Volt Type Min. db Max. db Size
                                                          SCE016XD3MG3B Multi-Tone 2900 6 16 DC 95 105 1.69x1.41in
                                                          SCE016XD3MG4B Multi-Tone 2900 6 16 DC 95 105 1.69x1.41in
                                                          SCE016XD3MG5B Multi-Tone 2900 6 16 DC 95 105 1.69x1.41in
                                                          SCE016XD3MP1B Medium Pulse 2900 6 16 DC 95 105 1.69x1.41in
                                                          SCE016XD3PS1B Short Pulse 2900 6 16 DC 95 105 1.69x1.41in
                                                          SCE016XD3QP1B Chirp 2900 6 16 DC 95 105 1.69x1.41in
                                                          SCE016XD3SD5B 1 Min Double Pulse 2900 6 16 DC 95 105 1.69x1.41in
                                                          SCE016XD3SP1B Slow Pulse 2900 6 16 DC 95 105 1.69x1.41in
                                                          SCE016XD3SS1B 1 Min Continuous 2900 6 16 DC 95 105 1.69x1.41in
                                                          SCE016XD3SU1B Slow Speed Up 2900 6 16 DC 95 105 1.69x1.41in
                                                          SCE016XD3SU2B Fast Speed Up 2900 6 16 DC 95 105 1.69x1.41in
                                                          SCE028LA2CT1B Continuous 2000 16 28 AC/DC 85 95 1.69x1.41in
                                                          SCE028LA2DP2B Fast Double Pulse 2000 16 28 AC/DC 85 95 1.69x1.41in
                                                          SCE028LA2DP3B Slow Double Pulse 2000 16 28 AC/DC 85 95 1.69x1.41in
                                                          SCE028LA2FP1B Fast Pulse 2000 16 28 AC/DC 85 95 1.69x1.41in
                                                          SCE028LA2MP1B Medium Pulse 2000 16 28 AC/DC 85 95 1.69x1.41in
                                                          SCE028LA2SP1B Slow Pulse 2000 16 28 AC/DC 85 95 1.69x1.41in
                                                          SCE028LA3CK1B Click Pulse 2900 16 28 AC/DC 85 95 1.69x1.41in
                                                          SCE028LA3CM1B Chime 2900 16 28 AC/DC 85 95 1.69x1.41in
                                                          SCE028LA3CTB Continuous 2900 16 28 AC/DC 85 95 1.69x1.41in
                                                          SCE028LA3DL1B 10 S Delay Cont 2900 16 28 AC/DC 85 95 1.69x1.41in
                                                          SCE028LA3DP2B Fast Double Pulse 2900 16 28 AC/DC 85 95 1.69x1.41in
                                                          SCE028LA3DP3B Slow Double Pulse 2900 16 28 AC/DC 85 95 1.69x1.41in
                                                          SCE028LA3DT7B Fast Warble 2950 16 28 AC/DC 85 95 1.69x1.41in
                                                          SCE028LA3DT8B Slow Warble 2950 16 28 AC/DC 85 95 1.69x1.41in
                                                          SCE028LA3ED5B 10 S Delay Double 2900 16 28 AC/DC 85 95 1.69x1.41in
                                                          SCE028LA3FP1B Fast Pulse 2900 16 28 AC/DC 85 95 1.69x1.41in
                                                          SCE028LA3MP1B Medium Pulse 2900 16 28 AC/DC 85 95 1.69x1.41in
                                                          SCE028LA3PS1B Short Pulse 2900 16 28 AC/DC 85 95 1.69x1.41in

                                                          30mm Alarms with Screw Terminals

                                                          • Fits in 30 mm Panel Hole
                                                          • See Table/Data Sheet for cUL Approval
                                                          • NEMA 4X When Used w/P/N ACC03
                                                          • dB Distance = 2 ft (60cm)

                                                          Here, you will find some of the most popular models for this line, but there are more. Click below for a full catalog.

                                                          30mm Screw Terminal Buzzers
                                                          Model Sound Type Frequency Min. Volt Max. Volt Volt Type Max. db RoHs UL Size
                                                          SC105R Continuous 2900 1 5 DC 83 Yes Yes 1.69x1.41in
                                                          SC110DJR Slow Pulse 1900 30 120 AC/DC 78 Yes Yes 1.69x1.41in
                                                          SC110DPR Fast Pulse 1900 30 120 AC/DC 77 Yes Yes 1.69x1.41in
                                                          SC110DR Continuous 1900 30 120 AC/DC 80 Yes Yes 1.69x1.41in
                                                          SC110EJR Slow Pulse 1900 30 120 AC/DC 73 Yes No 1.69x1.41in
                                                          SC110EPR Fast Pulse 1900 30 120 AC/DC 73 Yes No 1.69x1.41in
                                                          SC110ER Continuous 1900 30 120 AC/DC 67 Yes No 1.69x1.41in
                                                          SC110FJR Slow Pulse 2900 30 120 AC/DC 84 Yes No 1.69x1.41in
                                                          SC110FKR Short Pulse 2900 30 120 AC/DC 69 Yes No 1.69x1.41in
                                                          SC110FPR Fast Pulse 2900 30 120 AC/DC 85 Yes No 1.69x1.41in
                                                          SC110FR Continuous 2900 30 120 AC/DC 72 Yes No 1.69x1.41in
                                                          SC110HJR Slow Pulse 4500 30 120 AC/DC 87 Yes No 1.69x1.41in
                                                          SC110HPR Fast Pulse 4500 30 120 AC/DC 87 Yes No 1.69x1.41in
                                                          SC110HR Continuous 4500 30 120 AC/DC 92 Yes Yes 1.69x1.41in
                                                          SC110JR Slow Pulse 2900 30 120 AC/DC 89 Yes Yes 1.69x1.41in
                                                          SC110JWR Slow Warble 2900 30 120 AC/DC 83 Yes No 1.69x1.41in
                                                          SC110KR Short Pulse 2900 30 120 AC/DC 85 Yes Yes 1.69x1.41in
                                                          SC110NJR Slow Pulse 2900 30 120 AC/DC 98 Yes Yes 1.69x1.41in
                                                          SC110NPR Fast Pulse 2900 30 120 AC/DC 101 Yes Yes 1.69x1.41in
                                                          SC110NR Continuous 2900 30 120 AC/DC 100 Yes Yes 1.69x1.41in
                                                          SC110PR Fast Pulse 2900 30 120 AC/DC 89 Yes Yes 1.69x1.41in
                                                          SC110QR Chirp 2900 30 120 AC Only 99 Yes Yes 1.69x1.41in
                                                          SC110R Continuous 2900 30 120 AC/DC 92 Yes Yes 1.69x1.41in
                                                          SC2036CPR Chime 1000 20 36 DC 82 Yes No 1.69x1.9in
                                                          SC208NR Continuous 2900 2 8 DC 104 Yes No 1.69x1.41in
                                                          SC250DJR Slow Pulse 1900 60 250 AC/DC 75 Yes No 1.69x1.41in
                                                          SC250DPR Fast Pulse 1900 60 250 AC/DC 75 Yes No 1.69x1.41in
                                                          SC250DR Continuous 1900 60 250 AC/DC 77 Yes Yes 1.69x1.41in
                                                          SC250EJR Slow Pulse 1900 60 250 AC/DC 73 Yes No 1.69x1.41in
                                                          Model Sound Type Frequency Min. Volt Max. Volt Volt Type Max. db RoHs UL Size
                                                          SC628JWR Slow Warble 2900 6 28 DC 88 Yes No 1.69x1.41in
                                                          SC628KR Short Pulse 2900 6 28 DC 88 Yes No 1.69x1.41in
                                                          SC628NDPR Fast Pulse 2000 10 28 DC 96 Yes No 1.69x1.9in
                                                          SC628NDR Continuous 2000 9 28 DC 98 Yes No 1.69x1.9in
                                                          SC628NJR Slow Pulse 2900 6 28 DC 96 Yes No 1.69x1.41in
                                                          SC628NPR Fast Pulse 2900 6 28 DC 95 Yes No 1.69x1.41in
                                                          SC628NR Continuous 2900 6 28 DC 97 Yes Yes 1.69x1.41in
                                                          SC628PR Fast Pulse 2900 6 28 DC 89 Yes Yes 1.69x1.41in
                                                          SC628R Continuous 2900 6 28 DC 90 Yes Yes 1.69x1.41in
                                                          SC628WR Fast Warble 2900 6 28 DC 89 Yes No 1.69x1.41in
                                                          SC630JWR Slow Warble 1.8-2.8kHz 9 30 DC 85 Yes No 1.69x1.41in
                                                          SC648ADJR Slow Pulse 1900 10 48 AC/DC 77 Yes No 1.69x1.41in
                                                          SC648ADPR Fast Pulse 1900 10 48 AC/DC 78 Yes No 1.69x1.41in
                                                          SC648ADR Continuous 1900 10 48 AC/DC 79 Yes Yes 1.69x1.41in
                                                          SC648AER Continuous 1900 10 48 AC/DC 74 Yes No 1.69x1.41in
                                                          SC648AHR Continuous 4500 10 48 AC/DC 88 Yes No 1.69x1.41in
                                                          SC648AJR Slow Pulse 2900 10 48 AC/DC 89 Yes Yes 1.69x1.41in
                                                          SC648AKR Short Pulse 2900 10 48 AC/DC 90 Yes No 1.69x1.41in
                                                          SC648ANJR Slow Pulse 2900 10 48 AC/DC 104 Yes No 1.69x1.41in
                                                          SC648ANPR Fast Pulse 2900 10 48 AC/DC 103 Yes No 1.69x1.41in
                                                          SC648ANR Continuous 2900 10 48 AC/DC 105 Yes Yes 1.69x1.41in
                                                          SC648APR Fast Pulse 2900 10 48 AC/DC 87 Yes Yes 1.69x1.41in
                                                          SC648AR Continuous 2900 10 48 AC/DC 91 Yes Yes 1.69x1.41in
                                                          SC648CPNR Chime 2900 10 48 DC 96 Yes No 1.69x1.41in
                                                          SC648DR Continuous 1900 10 48 DC 80 Yes Yes 1.69x1.41in
                                                          SC648HR Continuous 4500 10 48 DC 89 Yes No 1.69x1.41in
                                                          SC648NDR Continuous 2000 12 48 DC 97 Yes No 1.69x1.9in
                                                          SC648R Continuous 2900 10 48 DC 91 Yes Yes 1.69x1.41in
                                                          SC648S Fast Siren 1900-2900 10 48 DC 93 No Yes 1.69x1.9in

                                                          Industrial Indicators with LEDs

                                                          • Audible Alarm + LED Light
                                                          • UL File # NKCR2.E478987
                                                          • cUL File # NKCR8.E478987
                                                          • NEMA 4X, 3R, & 12
                                                          • dB Distance = 2 ft (60cm)
                                                          • Optional- Sound can turn off after 15 or 30 sec's & LED continues flashing
                                                          • Patent No. 9165440

                                                          Here, you will find some of the most popular models for this line, but there are more. Click below for a full catalog.

                                                          Industrial Controls Tech Guide
                                                          Model LED Color Sound Type Frequency Max. Volt Volt Type Max. Db Size
                                                          ZT016LDCTR Red Continuous 3900 16 DC 95 22x43.5mm
                                                          ZT016LDSR8R Red Fast Siren 3900 16 DC 95 22x43.5mm
                                                          ZT016LDSR9R Red Slow Siren 3900 16 DC 95 22x43.5mm
                                                          ZT028LACM1R Red Chime 3900 28 AC/DC 95 22x43.5mm
                                                          ZT028LACM1R15 Red 15 Sec On- Chime 3900 28 AC/DC 95 22x43.5mm
                                                          ZT028LACM1R30 Red 30 Sec On- Chime 3900 28 AC/DC 95 22x43.5mm
                                                          ZT028LACTB Blue Continuous 3900 28 AC/DC 95 22x43.5mm
                                                          ZT028LACTB15 Blue 15 Sec On- Continuous 3900 28 AC/DC 95 22x43.5mm
                                                          ZT028LACTB30 Blue 30 Sec On- Continuous 3900 28 AC/DC 95 22x43.5mm
                                                          ZT028LACTC White Continuous 3900 28 AC/DC 95 22x43.5mm
                                                          ZT028LACTC15 White 15 Sec On- Continuous 3900 28 AC/DC 95 22x43.5mm
                                                          ZT028LACTC30 White 30 Sec On- Continuous 3900 28 AC/DC 95 22x43.5mm
                                                          ZT028LACTG Green Continuous 3900 28 AC/DC 95 22x43.5mm
                                                          ZT028LACTG15 Green 15 Sec On- Continuous 3900 28 AC/DC 95 22x43.5mm
                                                          ZT028LACTG30 Green 30 Sec On- Continuous 3900 28 AC/DC 95 22x43.5mm
                                                          ZT028LACTR Red Continuous 3900 28 AC/DC 95 22x43.5mm
                                                          ZT028LACTR15 Red 15 Sec On- Continuous 3900 28 AC/DC 95 22x43.5mm
                                                          ZT028LACTR30 Red 30 Sec On- Continuous 3900 28 AC/DC 95 22x43.5mm
                                                          ZT028LACTY Yellow Continuous 3900 28 AC/DC 95 22x43.5mm
                                                          ZT028LACTY15 Yellow 15 Sec On- Continuous 3900 28 AC/DC 95 22x43.5mm
                                                          ZT028LACTY30 Yellow 30 Sec On- Continuous 3900 28 AC/DC 95 22x43.5mm
                                                          ZT028LADP2R Red Fast Double Pulse 3900 28 AC/DC 95 22x43.5mm
                                                          ZT028LADP3R Red Slow Double Pulse 3900 28 AC/DC 95 22x43.5mm
                                                          ZT028LAFP1B Blue Fast Pulse 3900 28 AC/DC 95 22x43.5mm
                                                          ZT028LAFP1C White Fast Pulse 3900 28 AC/DC 95 22x43.5mm
                                                          ZT028LAFP1G Green Fast Pulse 3900 28 AC/DC 95 22x43.5mm
                                                          ZT028LAFP1R Red Fast Pulse 3900 28 AC/DC 95 22x43.5mm
                                                          ZT028LAFP1R15 Red 15 Sec On- Fast Pulse 3900 28 AC/DC 95 22x43.5mm
                                                          ZT028LAFP1R30 Red 30 Sec On- Fast Pulse 3900 28 AC/DC 95 22x43.5mm

                                                          Industrial Indicators with LEDs

                                                          • Alarm & LED are Controlled Separately
                                                          • UL File # NKCR2.E478987
                                                          • cUL File # NKCR8.E478987
                                                          • NEMA 4X, 3R, & 12
                                                          • dB Distance = 2 ft (60cm)
                                                          • Fits in Standard 22mm Hole w/Keyway
                                                          • Finger-proof Safe Termination
                                                          • Patent No. 9165440

                                                            Here, you will find some of the most popular models for this line, but there are more. Click below for a full catalog.

                                                            Industrial Controls Tech Guide
                                                            Model LED Color Sound Type Frequency Max. Volt Volt Type Max. Db Size
                                                            ZT028LAIC1G Green Continuous 3900 28 AC/DC 95 22x43.5mm
                                                            ZT028LAIC1R Red Continuous 3900 28 AC/DC 95 22x43.5mm
                                                            ZT028LAIC2G Green Fast Pulse 3900 28 AC/DC 95 22x43.5mm
                                                            ZT028LAIC2R Red Fast Pulse 3900 28 AC/DC 95 22x43.5mm
                                                            ZT028LAIC3B Blue Slow Pulse 3900 28 AC/DC 95 22x43.5mm
                                                            ZT028LAIC3G Green Slow Pulse 3900 28 AC/DC 95 22x43.5mm
                                                            ZT028LAIC3R Red Slow Pulse 3900 28 AC/DC 95 22x43.5mm
                                                            ZT028LDIC1G Green Continuous 3900 28 DC 95 22x43.5mm
                                                            ZT028LDIC1R Red Continuous 3900 28 DC 95 22x43.5mm
                                                            ZT028LDIC1Y Yellow IC Continuous 3900 28 DC 95 22x43.5mm
                                                            ZT028LDIC2G Green Fast Pulse 3900 28 DC 95 22x43.5mm
                                                            ZT028LDIC2R Red Fast Pulse 3900 28 DC 95 22x43.5mm
                                                            ZT028LDIC3G Green Slow Pulse 3900 28 DC 95 22x43.5mm
                                                            ZT028LDIC3R Red Slow Pulse 3900 28 DC 95 22x43.5mm
                                                            ZT028MDIC1Y Yellow IC Continuous 3900 28 DC 85 22x43.5mm
                                                            Red Continuous 3900 28 AC/DC 95 22x43.5mm
                                                            ZT028LACTR15 Red 15 Sec On- Continuous 3900 28 AC/DC 95 22x43.5mm
                                                            ZT028LACTR30 Red 30 Sec On- Continuous 3900 28 AC/DC 95 22x43.5mm
                                                            ZT028LACTY Yellow Continuous 3900 28 AC/DC 95 22x43.5mm
                                                            ZT028LACTY15 Yellow 15 Sec On- Continuous 3900 28 AC/DC 95 22x43.5mm
                                                            ZT028LACTY30 Yellow 30 Sec On- Continuous 3900 28 AC/DC 95 22x43.5mm
                                                            ZT028LADP2R Red Fast Double Pulse 3900 28 AC/DC 95 22x43.5mm
                                                            ZT028LADP3R Red Slow Double Pulse 3900 28 AC/DC 95 22x43.5mm
                                                            ZT028LAFP1B Blue Fast Pulse 3900 28 AC/DC 95 22x43.5mm
                                                            ZT028LAFP1C White Fast Pulse 3900 28 AC/DC 95 22x43.5mm
                                                            ZT028LAFP1G Green Fast Pulse 3900 28 AC/DC 95 22x43.5mm
                                                            ZT028LAFP1R Red Fast Pulse 3900 28 AC/DC 95 22x43.5mm
                                                            ZT028LAFP1R15 Red 15 Sec On- Fast Pulse 3900 28 AC/DC 95 22x43.5mm
                                                            ZT028LAFP1R30 Red 30 Sec On- Fast Pulse 3900 28 AC/DC 95 22x43.5mm

                                                            Back-up Alarms

                                                            • Used in Construction Equipment, Material Handling Equipment, Refuse Vehicles, & Over-the-Road Vehicles
                                                            • UL Recognized; CE Approved
                                                            • SAE Types A, B, C, & D
                                                            • dB Distance = 4 ft
                                                                Model Sound Type Frequency Min. Volt Max. Volt Volt Type Max. Db Size
                                                                STA20302 Slow Pulse 1250 12 24 DC 87 41x84x69mm
                                                                STA20502 Slow Pulse 1250 12 24 DC 97 41x84x69mm
                                                                STA22702W Slow Pulse 1250 12 24 DC 107 51x83x83mm
                                                                STA32264A Slow Pulse 1600 12 48 DC 102 76x127x71mm
                                                                STA35802 Slow Pulse 1250 12 24 DC 112 127x100x79cm

                                                                We will take great pleasure in analyzing your project with you, to determine our best solution for your needs.

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