Specifications

41-851 (12-24 Volts)
SINGLE LEVEL 107db
backhoes, etc.
SPECIFICATIONS:
 Single level...107dB (A) ±4 @ 4'
 Voltage spike protected
 Reverse polarity protected
 Current draw less than 0.3 amps
 Solid state electronics
 Certified conformance to S.A.E. J994, type B
 Meets all European Standards for on and off-road
vehicles (CE & E-Mark Certified)
 State, Federal, O.S.H.A., Bureau of Mines and
U.S. Army Corps of Engineers' requirements
 12” Wire Leads
 Size-5"Wx3.25"Dx3."H
 Mounting – 2 slots .75”Lx.25”W and 2 slots
1”L x .25”W on 4.25" centers
 Net Weight - 1.2 lbs.
FEATURES:
 Rugged Glass-Filled Nylon Housing
 Steam cleanable/Pressure Washable
 Low Current High Efficiency Dome Speaker
 Meets extreme requirements of off-highway equipment
 Operates in temperature ranges (-40° F to +185° F)
 Can be used on positive and negative ground vehicles
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BACK-UP ALARMS
Pollak
®
provides a complete family of back-up alarms manually adjustable and single level.
Selection of a back-up alarm should result in an alarm that has a sound level output higher
than the ambient noise level of the work environment.
NEW: 41-851, 41-820, 41-821& 41-822
 Slotted mounting – ‘drop in’ replacement
 Wire leads enhance corrosion protection (from traditional studs)
 New design – smaller size, less heat, longer life
 Consult factory for additional models
Patent Pending Dome Speaker
demonstrating the self-cleaning
feature; expelling concrete dust.
A Medium to Heavy-Duty unit for off-highway trucks, dump trucks, loaders, cranes,