Pollak 31-498-01 4-Position Ignition Starter Switch – 11 Blade Terminals – Heavy-Duty Zinc Die-Cast – Various Keyed

High-Density Control for Complex Electrical Systems

The Pollak 31-498-01 4-Position Ignition Switch is a specialized, professional-grade component engineered for vehicles with intricate electrical requirements. Built with a rugged one-piece zinc die-cast housing, this switch is designed to provide long-lasting performance in the demanding environments of heavy trucking, agricultural machinery, and industrial equipment.

What sets the 31-498-01 apart is its 11-blade terminal configuration. This high-density layout allows for the management of multiple circuits, including integrated accessory controls and safety interlocks, all from a single ignition point. With a 4-position logic and a dedicated Accessory setting, it provides comprehensive power management for your entire rig.

Key Features & Benefits:

• 4-Position Logic: Precision indexing for Accessory – Off – On – Start (Momentary Start) operations.

• 11-Blade Terminal Base: Offers the highest terminal count in the series for complex wiring harnesses and multi-circuit integration.

• Rugged Construction: Features a heavy-duty zinc die-cast housing and a high-impact plastic base to resist mechanical stress.

• Superior Environmental Protection: Engineered with internal O-ring and lip seals to prevent moisture, dust, and corrosive contaminants from reaching the internal contacts.

• High Conductivity: Solid copper contacts ensure minimal voltage drop and reliable engine cranking every time.

• Various Keyed Security: Shipped with individual key codes (Various Keyed) for enhanced security across different vehicles. Includes 2 keys.

Technical Specifications:

• Part Number: 31-498-01

• Positions: 4 (Acc-Off-On-Start)

• Terminals: 11 Blade Terminals

• Housing: Zinc Die-Cast

• Mounting: 1" Diameter Threaded Stem (Standard Pattern 4)

• Keying: Various Keyed (Includes 2 Keys)

• Application: Heavy Truck, RV, Agricultural, and Industrial