Pollak 21-635 Precision Ball Switch – Normally Closed (NC), Stud Terminals – 9/16-18 Harley-Davidson Neutral Sensing Switch

OEM-Quality Precision for Neutral Sensing and Safety Circuits

The Pollak 21-635 Precision Ball Switch is a high-reliability electrical component designed for specialized sensing applications in the powersports and heavy-duty transport industries. This Normally Closed (NC) switch is widely recognized as a premium replacement for Harley-Davidson neutral safety switches, ensuring your transmission signaling is accurate and dependable.

Robust Stud Terminal Connectivity The 21-635 is engineered with stud terminals, providing a secure, vibration-resistant mechanical connection. This design is preferred for applications where traditional blade connectors might vibrate loose, ensuring constant electrical contact under the high-torque and high-vibration conditions common in motorcycle and truck transmissions.

Engineered for the Long Haul Built to withstand extreme environments, this switch features a rugged, corrosion-resistant body and an encapsulated design. With an operating temperature range of -40°F to +250°F and a mechanical life of 1,000,000 cycles, the Pollak 21-635 is designed to survive intense heat and constant use without failing.

Key Specifications:

• Circuitry: Normally Closed (NC)

• Termination: Stud Terminals

• Thread Size: 9/16-18

• Hex Size: 7/8"

• Voltage Rating: 5.0 - 24.0 VDC

• Operating Temperature: -40°F to +250°F (-40°C to +121°C)

• Cycle Life: 500,000 Electrical / 1,000,000 Mechanical

• Primary Application: Harley-Davidson Neutral Sensing / Heavy-Duty Interlocks