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The NEW 3000 Series Alarm from Preco brings reliability and accuracy to a compact form for the first time. The 3000 Series alarm exceeds industry standards and provides you with an accurate back-up alarm that produces an audible warning that is +/- 2dB, far superior to the +/- 4 dB of competitors and SAE requirements. Reliability is increased through the Preco sound chamber design which reduces speaker movement, and protects the speaker from environmental damage. And all of this is provided in a small package for easy application across many different vehicle platforms, so you can have ONE alarm for your entire fleet. Lifetime warranty.
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Switchable 
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The 3000 Series alarms are switchable to operate at 97 & 107 decibels via a jumper or wiring connections.
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Model
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Decibels
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Connection
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Voltage
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SAE
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3002
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97, 107 dB
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Wire Leads
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12-36 VDC
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Type B,C
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3003
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97, 107 dB
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Terminal Studs
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12-36 VDC
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Type B,C
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Field-proven dependability has thrust the 200 Series alarms into the highest demand category of any low sound level alarm on the market. Multiple configurations available to meet your safety needs
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The basic 200 Series alarms have lead this series into being in the highest demand category of any low sound level alarm on the market. Used by major OEMs. These alarms have #8-32 UNC terminal studs. Weight: 10 oz. (284 g)
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Model
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Decibels
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Connection
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Voltage
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SAE
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220
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87 dB
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Terminal Studs
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12 VDC
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Type D
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225
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87 dB
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Terminal Studs
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12-24 VDC
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Type D
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230
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97 dB
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Terminal Studs
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12 VDC
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Type C
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240
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97 dB
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Terminal Studs
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12-24 VDC
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Type C
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250
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102 dB
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Terminal Studs
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12-24 VDC
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Type F
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Field-proven dependability has thrust the 200 Series alarms into the highest category of any low sound level alarm on the market. The GS alarms include #8-32 UNC terminal studs with a grounding strap for self-grounding. Weight: 10 oz. (284 g)
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Model
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Decibels
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Connection
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Voltage
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SAE
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230GS
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97 dB
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Terminal Studs
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12 VDC
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Type C
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240GS
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97 dB
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Terminal Studs
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12-24 VDC
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Type C
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250GS
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102 dB
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Terminal Studs
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12-24 VDC |
Type F
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Standard terminal studs are replaced by wire leads. The 18 gauge wires are 12 (30cm) nominal in length. Black: Negative. Red: Positive. Weight: 10 oz. (284 g)
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Model
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Decibels
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Connection
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Voltage
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SAE
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240C
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97 dB
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Wire Leads
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12-24 VDC
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Type C
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250C
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102 dB
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Wire Leads
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12-24 VDC
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Type C
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This compact, high sound level alarm is specifically designed for 107 decibels. This solid state alarm is polarity protected. The 270 alarm has an approximate current draw of 0.5 Amps. Self-resonating circuitry automatically adjusts to environmental conditions to ensure a constant 107 decibel output. Weight: 12 oz. (340 g)
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Model
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Decibels
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Connection
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Voltage
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SAE
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270
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107 dB
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Wire Leads
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12-24 VDC
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Type B
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The Night Silent Alarm is designed for use at nighttime in sound sensitive areas as mandated. The feature disengages the back-alarm when voltage is applied to the blue wire either via a dash toggle or wired to the headlights. Weight: 10 oz. (284 g)
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Model
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Decibels
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Connection
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Voltage
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SAE
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240CS
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97 dB
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Wire Leads
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12-24 VDC
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Type B
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* 240CS does not meet OSHA or NIOSH requirements for back-up alarms.
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Prevent battery failure by alerting vehicle operators of critically low battery voltage conditions with a distinct tone. This multi-function, dual-tone, warning device doubles as a 97 decibel alarm while monitoring battery voltage. This alarm has #8-32 UNC terminal studs. Weight: 10 oz. (284 g)
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Model
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Decibels
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Connection
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Voltage
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SAE
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230LV
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97 dB
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Terminal Studs
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12 VDC
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Type C
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240LV
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97 dB
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Terminal Studs
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24 VDC
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Type C
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Compact, self-adjusting alarm. Ideal for low sound level. Adjusts to a minimum of five decibels above the surrounding noise. Rugged and reliable solid state electronics. This alarm has #8-32 UNC terminal studs. Weight: 10 oz. (284 g)
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Model
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Decibels
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Connection
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Voltage
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SAE
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1020
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77-102 dB
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Terminal Studs
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12-24 VDC
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Type C-F
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1028
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77-97 dB
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Terminal Studs
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12-48 VDC
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Type C-E
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Specifically designed low sound level alarms for electric powered vehicles, the ELT 248, ELT 278, and ELT 280 provide voltage and decibel options at minimal cost. These alarms have #8-32 UNC terminal studs. Weight: 10 oz. (284 g)
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Model
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Decibels
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Connection
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Voltage
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SAE
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ELT248
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97 dB
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Terminal Studs
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12-48 VDC
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Type C
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ELT278
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87 dB
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Terminal Studs
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12-72 VDC
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Type D
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ELT280
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97 dB
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Terminal Studs
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12-80 VDC
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Type C
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DS232 -This dual sound alarm is designed for use in special applications. The pulse rate is selected by applying positive power to one of two terminals. Dual sound level: 1)Bac-a-larm rate of 80 bursts per minute 2) Fast pulse rate of 10 bursts per second.
FS255 -Fast sounding alarm for special applications requiring a unique sound option. This alarm is capable of quickly demanding attention with sound pulses at 10 bursts per second. These alarms have #8-32 UNC terminal studs. Weight: 10 oz. (284 g)
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Model
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Decibels
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Connection
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Voltage
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SAE
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DS232
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97 dB
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Terminal Studs
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12 VDC
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Type C
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FS255
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102 dB
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Terminal Studs
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12-24 VDC
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Type F
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These flush-mount alarms fit into any 40-series round hole and require no tools for installation. They utilize industry standard grommets and pigtails. The alarms are well-suited for applications requiring a compact profile. Weight: 12 oz. (341 g)
- 4030K, 4050K, and 4028K all come with the grommet and pigtail kit.
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The 4028 and 4028K self adjusting alarms operate at 10 decibels above the ambient noise, up to 97 dB, to reduce noise while maintaining safe operations. U.L. recognized for electric vehicles and forklifts.
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Model
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Decibels
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Connection
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Voltage
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SAE
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4028
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77-97 dB
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Female Plug
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12-48 VDC
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Type C-E
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4028K
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77-97 dB
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Pigtail
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12-48 VDC
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Type C-E
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Two switchable styles of the 100 series alarm are available to fit your application. A 2 or 3-position weather sealed switch on the back of the alarm makes this possible.
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Model
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Decibels
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Connection
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Voltage
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SAE
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4030
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97 dB
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Female Plug
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12 VDC
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Type C
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4030K
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97 dB
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Pigtail
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12 VDC
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Type C
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4050
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102 dB
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Female Plug
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12-24 VDC
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Type F
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4050K
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102 dB
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Pigtail
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12-24 VDC
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Type F
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The Preco TAIL-GATOR has set the quality standard for more than 25 years. Satisfied customers have made it the best selling alarm in the industry.
LDA50  |
These alarms have #-32 UNC terminal studs. Weight: 12 oz. (340 g)
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Model
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Decibels
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Connection
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Voltage
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SAE
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LDA50
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97 dB
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Terminal Studs
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12 VDC
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Type C
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Compact Alarms
Specs
Instructions
Compliance
Documents
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