Pollak 52-616 Heavy-Duty Door Jamb Switch – Normally On (Mom. Off) Interior Light Switch

Reliable Interior Lighting Control

The Pollak 52-616 Door Jamb Switch is a high-performance momentary switch designed to automatically control interior lights, alarms, or "door-ajar" indicators in heavy-duty trucks, vans, and specialty vehicles. Built to withstand frequent cycling, this switch ensures your vehicle's cab or cargo lighting operates flawlessly every time a door is opened.

Precision Engineering & Durability

Constructed with a rugged Zinc Die-Cast housing, the 52-616 is built to outlast plastic alternatives. It features a "Normally On" (Momentary Off) circuit, meaning the circuit is completed when the plunger is extended (door open) and interrupted when the plunger is depressed (door closed).

• Circuitry: SPST Normally On (Momentary Off) – Perfect for dome lights and door alerts.

• Rugged Housing: Durable Zinc Die-Cast construction for long-term industrial use.

• Universal Fit: Ideal for truck cabs, delivery vans, refrigerated trailers, and emergency vehicles.

• Self-Grounding: Designed for easy installation into grounded metal door frames.

• High-Quality Terminals: Equipped with (2) #8-32 screw terminals for secure, vibration-resistant wiring.