Pollak 41-851 Heavy-Duty 107dB Back-Up Alarm – 12V-48V Multi-Voltage, Reinforced Wire Lead Reverse Alert

High-Output Warning Power for High-Voltage Industrial & Commercial Vehicles

The Pollak 41-851 Back-Up Alarm is a professional-grade safety solution designed for demanding environments that require maximum audibility and wide voltage compatibility. Emitting a powerful 107 decibel signal, this alarm is specifically engineered to cut through the high ambient noise levels of construction sites, busy shipping docks, and industrial zones.

What sets the 41-851 apart is its versatile 12V to 48V DC operating range, making it the perfect choice for heavy-duty trucks, electric forklifts, and large-scale earthmoving equipment. Built with solid-state electronics and housed in a rugged, non-corroding casing, this alarm is designed to withstand the toughest conditions your fleet encounters.

Key Features:

• Enhanced 107dB Output: Delivers a high-intensity warning (107dB(A) ±4 @ 4 feet) to ensure pedestrian and site safety in loud environments.

• Broad 12V-48V Compatibility: A truly universal alarm that functions across a wide range of electrical systems, from standard pickup trucks to 48V industrial machinery.

• Ruggedized Construction: Built with glass-filled nylon and high-impact plastic; the unit is moisture-resistant and steam-cleanable for long-term durability.

• Reliable Wire Lead Connection: Equipped with 18-gauge wire leads for a secure, permanent hardwired installation.

• Resilient in Extreme Climates: Performance-tested to operate reliably in temperatures ranging from -40°F to +185°F (-40°C to +85°C).

• Electrical Protection: Features built-in voltage spike and reverse polarity protection to prevent damage during installation or power surges.

Technical Specifications:

• Part Number: 41-851

• Sound Level: 107 dB

• Voltage Rating: 12-48 VDC

• Current Draw: Ultra-efficient (less than 0.5 Amps)

• Housing Material: High-Impact, Non-Corroding Plastic

• Dimensions: 5.0" W x 3.1" H x 4.1" D

• Certifications: Meets S.A.E. J994 Type B; compliant with OSHA, Bureau of Mines, and U.S. Army Corps of Engineers standards.