The 8503K series are environmentally sealed toggle switches that are completely protected from dust, moisture, and other contaminates. The lever lock mechanism prevents accidental switch operation.

• 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

The 8503 Series toggle switches are one of the most rugged and durable on the market. They are environmentally sealed, military grade, MS approved and QPL’d to meet MIL-DTL-3950 standard. Thermoset molding materials meet flame retardant requirements. These toggle switches can withstand the harshest of environments, from freezing cold to scorching heat. For extra safety this Series features a locking actuator. See data sheet for information on what switch locks in what direction.

Features

• Locking actuator
• Environmentally sealed
• 1, 2 and 4 pole circuitry
• 2 and 3 position maintained and momentary action
• Molded-in terminal inserts and terminal numbers
• Bushing 15/32-32 thread
• Temperature range -85 F to + 160F ( -65 C to + 71 C )
• Life: 20,000 operations at rated load. 40,000 operations mechanical life
• Options/ Accessories

Options/ Accessories

• Special mounting hardware
• Mounting hardware furnished assembled
• Terminal screws furnished assembled
• Substitute SEMS screws
• Special circuits
• Panel seal ( Allied# 70155565 )
• Special "3 Cateye" luminous lever attachment
• Lever extensions and attachable tips
• Custom wiring harnesses