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Thumbwheel Switch

Specialty Switch Products

With a mechanical life of 1.8 million cycles, Guardian's thumbwheel switch is ideal for use in high-reliability applications. This rugged switch offers a + 1% independent linearity with an operating altitude of 30,000 feet.

Ideal for critical or fail-safe situations, Guardian's thumbwheel switch is also available in redundant circuitry to ensure highly-reliable actuation for mission-critical applications.

This switch can also be custom-mounted to meet customer specifications.

Special Features  · Specifications

Special Features
  • Intuitive motion control functionality
  • Redundant circuitry available
  • High reliability, long life design
  • Multiple power ratings available
  • Designed to meet MIL-R-39023



Electrical working range: 0.5 watts
Total resistance: 1000 ohms +/- 10% standard

Other ratings available


Output @ center position to be: 50% +/-2% of full scale

Mechanical Life

1,800,000 cycles

Operating Temperature

-54C to 85C


Screw mount


Solder turret

Options & Other Mechanical Specs.

Torq @ 5 deg: 5 in/oz
Torq @ 8 deg: 8 in/oz

Agency Approvals


Guardian Engineering and Manufacturing