Pollak 31-527 4-Position Ignition Starter Switch – Spring Return – Keyed Alike D250 – Heavy-Duty Zinc Die-Cast

Standardized Fleet Security with Heavy-Duty Reliability

The Pollak 31-527 4-Position Ignition Switch is the professional’s choice for maintaining fleet consistency and operational safety. This heavy-duty switch is Keyed Alike to the D250 code, allowing fleet managers and operators to use a single key across multiple vehicles or pieces of equipment, streamlining logistics and reducing downtime.

Constructed with a rugged one-piece zinc die-cast housing, the 31-527 is built to endure the vibration and environmental stress of heavy trucking, construction, and agricultural use. The integrated Spring Return feature ensures the switch automatically snaps back from the "Start" position to the "On" position, protecting your starter motor from accidental engagement while the engine is running.

Key Features & Benefits:

• 4-Position Control: Features clear indexing for Accessory – Off – On/Run – Start (Momentary Start).

• Spring Return Mechanism: Automatically returns the key from "Start" to "On," a critical safety feature for heavy equipment.

• Keyed Alike (D250): Standardized key code for fleet-wide compatibility—ideal for yards with multiple machines.

• Superior Durability: One-piece zinc die-cast housing provides maximum structural integrity and corrosion resistance.

• Environmental Sealing: Equipped with internal O-rings and an additional lip seal to protect the contact chamber from water, dust, and grime.

• High-Conductivity Contacts: Features solid copper contacts and brass terminals to ensure a strong, consistent electrical connection under heavy loads.

Technical Specifications:

• Part Number: 31-527 (also known as 31-527P)

• Positions: 4 (Acc-Off-On-Start)

• Terminal Type: Blade Terminals

• Rating: 12V DC, 30A (Typical)

• Key Code: D250 (Keyed Alike)

• Housing: Zinc Die-Cast

• Mounting: 1" Diameter Threaded Stem