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L3 PS-834A Emergency Power Supply - Part Number: 501-1682-01

Regular price $1,550.00 USD
Regular price Sale price $1,550.00 USD
Sale Sold out

Please Note: As we have a large inventory of used Aircraft Parts, this is a file photo representative of the unit you will receive.

Please contact us if you need specific information (e.g., serial number or mod status) prior to purchasing.

All our products come with a 30-day money-back guarantee. If you are not satisfied, you may return the product for a full refund minus shipping costs.

This serviceable L3 PS-834A Emergency Power Supply comes with a yellow-tag.

This PS-834A Emergency power supply is designed to power backup and standby indicators in the event of a power failure. This system will automatically kick on when system power is lost. This power supply was removed out of a Piper Meridian to power the standby attitude indicator. 


  • Mods 1, 2, 3, 6
  • Lead acid batteries
  • 28 VDC