Pollak 52-620 Long Plunger Door Jamb Switch – Normally On (Mom. Off) – Zinc Die-Cast

Reliable Automatic Lighting for Specialized Vehicle Doors

The Pollak 52-620 Door Jamb Switch is the heavy-duty solution for interior lighting and alarm systems in trucks, delivery vans, and utility bodies. Featuring an extended plunger, this switch is specifically designed for applications where standard door switches fall short, ensuring a consistent electrical connection even in deep-set door frames or thick-walled cabs.

Heavy-Duty Construction

Built with a rugged Zinc Die-Cast housing, the 52-620 is engineered for high-frequency use in demanding environments. Its "Normally On" (Momentary Off) circuitry means your lights stay on while the door is open and immediately cut out when the door is closed and the plunger is depressed.

Key Features:

• Extended Plunger Design: Longer reach for reliable contact in specialized door and gate applications.

• Circuitry: SPST Normally On (Momentary Off).

• Rugged Housing: Durable Zinc Die-Cast for maximum life and vibration resistance.

• Efficient Conductivity: Equipped with (2) #8-32 screw terminals for secure, low-resistance wiring.

• Self-Grounding Design: Simplifies installation when mounted to a grounded metal surface.

Specifications:

• Part Number: 52-620 (Bulk) / 52-620P (Packaged)

• Rating: 15 Amps at 12V DC.

• Mounting Stem: 1/2" Long, 7/16" Diameter.

• Plunger Length: 1-1/8" Extended (7/8" Travel).

• Electrical Configuration: Off with plunger depressed, On with plunger extended.