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TOGGLE SWITCH/4PDT (4 pole double throw), ON-OFF-ON, panel mount, screw terminals, environmentally sealed. 8505K1

TOGGLE SWITCH/4PDT (4 pole double throw), ON-OFF-ON, panel mount, screw terminals, environmentally sealed.  8505K1
Out of Stock - On Backorder
TOGGLE SWITCH/4PDT (4 pole double throw), ON-OFF-ON, panel mount, screw terminals, environmentally sealed. 8505K1
TOGGLE SWITCH/4PDT (4 pole double throw), ON-OFF-ON, panel mount, screw terminals, environmentally sealed. 8505K1
8505 Series Lever Lock Toggle Switch | 4PDT, ON-ON, A, Environmentally Sealed

The 8505K series are environmentally sealed toggle switches that are completely protected from dust, moisture, and other contaminates. The lever lock mechanism prevents accidental switch operation.

Version 8505K1 is a four-pole, double-throw toggle switch. Positions: ON-ON with A style bushing (locked in 3 positions)


  • Locking lever safety mechanism (must be pulled outward for toggle operation)
  • Threaded panel mount 
  • Thermoset molding materials meet flame retardant requirements
  • Molded-in terminal inserts and terminal numbers
  • Environmentally sealed per MIL-S-3950
  • MS approved and QPL'd per MIL-S-3950
  • Life: 20,000 operations at rated load 40,000 operations mechanical life

Product Codes

Mfr Part No:8505K1
MIL SPEC:MS24660-21A
ECCN:EAR99
MIL SPEC:MS24660-21A
SCHEDULE B CODE:8536.50.0040


Bushing:  15/32" - 32 threadTemperature Range:  -85F to +160F (-65C to +71C)Contact current max: 20AContact Voltage AC: 115V nominalContact Voltage DC: 28VContact configuration: Four-pole, Double-throw (4PDT)Switch operation: ON-ONMS part number: MS24660-21A

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  • Stock: Out of Stock - On Backorder
  • Manufacturer Part #: 8505K1
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