Immediately cut power with a single push.

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.

Sized for 22 mm dia. panel cutouts, these switches require a key to turn circuits on or off, limiting access to sensitive equipment.

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.

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.

Often used with machine guards, these switches mount to a door frame.