Choose an actuator and contact block to make your own 22 mm plastic switch.

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

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.

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.

Install these key switches in 30 mm dia. panel cutouts. They 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.

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

Because they require a key to operate, you can limit who is able to adjust these valves. They create two actions and have two exhaust ports, which allows you to control the speed of each action by attaching a flow control valve to each exhaust port. Also known as 4-way and 5/2 valves.