EMERGENCY POWER SUPPLY (P/N 501-1228-03) - Serviceable
P/N: 501-1228-03
Category: Inverters, Converters & Power Supplies
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
Available Inventory
| Condition | Stock |
|---|---|
| Serviceable | 1 Available |
Product Description
The 501-1228-03 is an L3Harris PS-835C emergency power supply designed to maintain avionics power during aircraft electrical system failure. This sealed lead-acid battery unit (2.5 Ah) accepts 28–30 VDC input and operates at altitudes to 55,000 ft. It powers emergency attitude indicators and other critical avionics during power loss events.
STC-approved for Learjet 20/30/50 series aircraft. Installation follows aircraft maintenance manual procedures and must be verified against the aircraft Illustrated Parts Catalog.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
Frequently Asked Questions
What is the EMERGENCY POWER SUPPLY (P/N 501-1228-03)?
The 501-1228-03 is an L3Harris PS-835C emergency power supply designed to maintain avionics power during aircraft electrical system failure. This sealed lead-acid battery unit (2.
What conditions is the 501-1228-03 available in?
The 501-1228-03 is currently available in the following conditions: Serviceable. Each condition reflects the part's maintenance history and certification status per FAA standards.
How do I get pricing for the 501-1228-03?
The 501-1228-03 requires a custom quote. Submit a Request for Quote (RFQ) through our website or call our sales team at (904) 998-9101 for immediate pricing assistance.
Do you offer expedited shipping for the 501-1228-03?
Yes, we offer same-day processing on in-stock items and provide 24/7 AOG (Aircraft on Ground) support for urgent needs. Standard, expedited, and overnight shipping options are available.
Related Inverters, Converters & Power Supplies
- POWER UNIT – P/N tr-992-10
- POWER SUPPLY – P/N 60-3157-1
- RED BARON AUX POWER UNIT 12/24 VOLT – P/N RED BARON AUX POWER UNIT
- INVERTER – P/N pc17a
- P-20A INVERTER – P/N 506-0003-902
- UMA LIGHT WEDGE INVERTER/28V – P/N 10-700-28
- POWER UNIT – P/N 1011c
- INVERTER – P/N ss50
- ARC 159, POWER SUPPLY – P/N 622-1394-002
- STATIC INVERTER – P/N ts6420-101
- INVERTER 600VA – P/N pc-17
- INVERTER – P/N 25nfz849-1