Pollak 41-851 Back-Up Alarm 107dB Single Level Heavy Duty

The Pollak 41-851 is a heavy-duty single level back-up alarm designed for medium to heavy-duty commercial vehicles, trucks, construction equipment, and industrial machinery. This alarm delivers a powerful 107 decibel sound output measured at 4 feet, ensuring clear audible warning when vehicles are in reverse operation.

Key Features:

• Single level output: 107dB(A) ±4 @ 4 feet
• Voltage spike protection for reliable operation in harsh electrical environments
• Current draw less than 0.7 amps for efficient power consumption
• Solid state electronics for long-lasting durability
• Certified conformance to SAE J994 Type B standards
• Meets State, Federal, OSHA, Bureau of Mines, and U.S. Army Corps of Engineers requirements
• Heavy-duty construction for demanding commercial applications

This model replaces the previous Pollak 41-751 part number. The alarm features robust construction suitable for trucks, buses, construction equipment, and other heavy-duty applications where a louder warning signal is required for safety compliance. The solid state design ensures reliable performance in extreme temperatures and harsh operating conditions.