338822-110

MICRO SWITCH
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About this product
The 338822-110 microswitch is a precision snap-action switch designed for position sensing and control‐circuit isolation in aircraft systems. Housed in a sealed thermoplastic enclosure, it features a roller‐lever actuator that reliably changes state under low mechanical force and returns instantly once the actuating element moves past its travel point. With silver‐alloy contacts rated for signal‐level currents, the unit is traceable via full material certification and ready for installation in cockpit panels, access doors, or auxiliary systems requiring dependable tactile feedback and long service life.
338822-110 Datasheet
UOM: EA
Stock Location: Dubai
Hazardous Item: Non-Hazardous Item
Life Limited Part: No
Lead Time: Stock
Certification: EASA Form 1
8130/EASA Eligible: Yes
PRODUCT DESCRIPTION

338822-110

  • Enhanced Actuation Precision - Roller-lever actuator and snap-action mechanism deliver a consistent actuation point for repeatable switch-over and accurate position sensing.

  • Sealed Enclosure Design - IP-67 rated housing prevents ingress of dust, moisture, and fumes, ensuring reliable operation in harsh cabin, cargo, and avionics-bay environments.

  • Low Operating Force - Requires under 150 gf of actuator travel, reducing load on linkage mechanisms and minimizing wear on adjacent components.

  • High Mechanical Endurance - Rated for over 1 million cycles of actuation, supporting long maintenance intervals and minimizing unscheduled removals.


  • Detecting door, panel, and access-cover positions in flight-deck and cabin areas.

  • Sensing limit positions on actuator linkages for rudder, elevator, and aileron trim systems.

  • Providing hardware interlock feedback in galley equipment and lavatory modules.

  • Monitoring switch-over status in environmental control valves and blow-out panels.


  • How much force is required to actuate this microswitch?

The roller-lever design actuates with less than 150 gf, ensuring minimal linkage load and long actuator life.

  • What is the expected service life of the switch?

It is rated for over 1 million mechanical cycles, supporting multi-year intervals between maintenance events.

  • What maintenance is required?

Periodically inspect the actuator lever and enclosure seal for damage. Light lubrication of external linkages may be applied, but the switch itself is maintenance-free.


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