Police/Fire Evacuator® Back-up Alarms

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  • “Plus” models offer dual-tone function (pulse or constant)
  • A wide range of decibel levels and operating voltages are offered for enhanced application flexibility
  • Universal mounting bracket included
  • Maximum current draw of .015 Amp
  • Unique Piezo-electric design incorporates a tear-free Mylar speaker cone that is impervious to moisture
  • Solid-state electronics and a sealed design protect against moisture, contaminants and vibration
  • Three-year product warranty

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Built for Versatility and Durability
Federal Signal’s Evacuator Plus (dual tone) back-up alarms are engineered to provide dependable performance and exceptional warning power across a diverse range of vehicle and material handling equipment requirements. Built to withstand the most punishing applications, these alarms feature piezo-electric circuitry and solid-state components that reduce Amp draw (as low as 0.02 A @ 12 VDC), and minimize the adverse effects of shock and vibration.

Multiple Options to Fit Your Needs
Evacuator Plus is the right back-up alarm for applications where two tones are better than one. The dual-function feature supplies Evacuator Plus with the ability to produce two distinctively different tones.
Dual-function Evacuator Plus models can be ordered for applications ranging from 87 dB to 112 dB thereby providing users with the flexibility to meet their most precise warning requirements.


Approvals SAE J994
Sound Output Model 210330SSG - 87dB
Model 210331SSG - 97dB
Model 210333SSG - 107dB
Current Draw Model 210330SSG - 0.02 amps
Model 210331SSG - 0.03 amps
Model 210333SSG - 0.17 amps
Voltage Model 210330SSG - 12-48 VDC
Model 210331SSG - 12-48 VDC
Model 210333SSG - 12-48 VDC
Dim. (H x L x D) 2.9 in (73 mm) x 2.9 in (73 mm) x 2.4 in (62 mm)
Shipping Weight 0.6 lbs (0.3 kg)

Ordering Info

Model Types
210335SSG112 dB(A), 12/48 VDC, SAE J994 Type B, nickel-plated threaded terminals, dual functions
210333SSG107 dB(A), 12/48 VDC, SAE J994 Type B, nickel-plated threaded terminals, dual functions
210331SSG97 dB(A), 12/48 VDC, SAE J994 Type C, nickel-plated threaded terminals, dual function
210330SSG87 dB(A), 12/48 VDC, SAE J994 Type D, nickel-plated threaded terminals, dual function