Pollak 52-400 Universal Warning Buzzer - 12V, 2-Screw Terminal, 76dB Warning Alarm

Reliable Audible Alerts for Critical Vehicle Systems

The Pollak 52-400 Warning Buzzer is a high-performance audible signal device designed for commercial and heavy-duty vehicle safety. Whether used as a low air pressure alarm for trucks or a rear-door warning for school buses, this universal 12V buzzer provides a clear, 76dB alert to ensure driver and passenger safety.

Engineered for long-term durability, the 52-400 features a robust design with copper alloy conductors that provide superior electrical conductivity. Its compact, 2-screw terminal configuration makes it a preferred choice for technicians looking for a reliable, easy-to-install replacement for OEM warning signals.

Key Features & Benefits:

• Universal Application: Ideal for truck low air pressure systems, bus rear-door monitoring, and general 12V DC warning circuits.

• High-Quality Conductors: Utilizes copper alloy to ensure low resistive losses and maximum electrical efficiency.

• Precision Tested: 100% factory tested to verify mechanical and electrical performance under demanding conditions.

• Loud & Clear Signal: Emits a consistent 76dB tone at a 4-inch distance, ensuring the alert is heard over engine noise.

• Direct OEM Replacement: Cross-references with common industry parts from Ford, CMC, and Wayne Works.

Technical Specifications:

• Part Number: 52-400 (Individually Packaged) / 52-400P (Pro-Pack)

• Voltage: 12V DC

• Sound Level: 76dB @ 4 inches

• Terminals: 2-Screw Terminal Design

• Mounting: Universal bracket included for easy installation