Pollak 31-249 Ignition Starter Switch - 4-Position, 11-Blade Terminal, Keyed Alike PK556

Heavy-Duty Performance for Commercial & Industrial Vehicles

The Pollak 31-249 Ignition Starter Switch is a rugged, professional-grade solution designed for the demanding environments of heavy trucks, construction equipment, and agricultural machinery. Engineered for longevity and precision, this 4-position switch provides seamless control over Accessory, Off, On/Accessory, and Momentary Start functions.

Superior Construction & Reliability

Built with a one-piece zinc die-cast housing, the 31-249 is designed to resist corrosion and mechanical wear. Internally, the switch utilizes solid copper contacts and brass terminals to ensure maximum conductivity and minimal voltage drop. The unit is internally lubricated for smooth operation over its long service life, rated for up to 50,000 cycles at 14 Volts DC.

Keyed Alike Convenience

This model comes Keyed Alike with the PK556 key code, making it an ideal choice for fleet managers who require standardized key access across multiple vehicles or pieces of equipment. The key is conveniently removable only in the "Off" position to prevent accidental battery drain or unauthorized operation.

Key Features:

• 4-Position Functionality: Accessory – Off – On/Accessory – Start (Momentary).

• 11-Blade Terminal Base: High-density connection (Base Type 3) designed to fit Packard Connector #2984017.

• High Current Capacity: Ignition Terminal (8A), Accessory Terminal (30A Inductive), and Start Terminal (75A Make/20A Break).

• Rugged Housing: Durable zinc die-cast construction protects internal components.

• Weather Resistant: Features O-ring seals to protect the contact chamber from moisture and dust.

• Standardized Keying: Includes two keys with the common PK556 key code.