Install these key switches in 3/4" dia. panel cutouts. They require a key to turn circuits on or off, limiting access to sensitive equipment.

With a round key that is difficult to duplicate, these switches provide a higher degree of security than standard key switches.

To prevent accidental actuation and limit access to sensitive equipment, these switches require a key to turn circuits on or off. The contact block and actuator are all one piece, so they won’t separate in high-vibration applications.

Designed for use near ignitable gases, fibers, and dust, these switches have a housing that seals in anything that could ignite flammable material. They require a key to turn circuits on or off, preventing accidental activation and limiting access.

These 16 mm switches require a key to turn circuits on or off, limiting access to sensitive equipment.

Reset fire panels, or open electromagnetic locks, electric strikes, and automatic door openers. These switches require a key to turn circuits on or off, limiting access and preventing accidental activation.

Choose an actuator and contact block to make your own 30 mm switch.

Immediately cut power with a single push.

These aluminum switches are rated NEMA 4, NEMA 13, and IP66 for protection from washdowns and oil/coolant spraying.

Prevent accidental activation—these switches require a key to turn lights on and off.

Secure sensitive lighting equipment; these switches have a round key that is difficult to duplicate.