AMP GAGE SW (P/N 8440437) - As Removed

The 8440437 is an ammeter selector switch for aircraft electrical systems. This panel-mounted switch routes the ammeter circuit to monitor generator output or battery charge status during flight operations. The switch enables pilots to select measurement sources such as shunt or generator leads, providing real-time electrical load monitoring.

Installation follows aircraft maintenance manual specifications and FAA AC 43.13-1B guidance for ammeter circuit wiring and panel integration on general aviation and corporate aircraft.

What is the AMP GAGE SW (P/N 8440437)?

The 8440437 is an ammeter selector switch for aircraft electrical systems. This panel-mounted switch routes the ammeter circuit to monitor generator output or battery charge status during flight operations.

Is the 8440437 calibrated and ready to install?

Calibration status depends on the condition. Overhauled instruments come fully calibrated with an 8130-3 tag. The AMP GAGE SW is available in: As Removed. Contact us to confirm calibration status for your selected condition.

Can the 8440437 be used as a direct replacement in my aircraft?

The AMP GAGE SW is designed as a form-fit-function replacement. Verify the part number against your aircraft's Illustrated Parts Catalog (IPC) and instrument panel layout to confirm compatibility before ordering.

Do you offer instrument exchange programs for the 8440437?

Yes, we offer core exchange programs on select instruments. Send your unserviceable unit and receive a discount on the replacement. Call (904) 998-9101 or submit an RFQ to check exchange availability for the 8440437.