The SR 263 uses two, six pole hermetically sealed and gas filled relays to provide a total of twelve poles of switching. Relays are qualified to MIL-R-39016/40.
- Certification: FAA PMA
- Max Pick up Voltage: 18VDC
- Nominal Coil Impedance: 390 W
- Max Contact Rating: 2A @ 28VDC Resistive Load
- .75A @ 28VDC Inductive Load (200mH)
- .25A @ 28VDC Lamp Load