Example: air traffic controller
Search results with tag "Locking switch"
Next Generation Guardmaster Safety Relay (GSR) Wiring …
literature.rockwellautomation.com• The control guard must be the only access to the hazardous area. • The interlocking system must have the highest possible reliability. It is often advisable to use a solenoid locking switch such as the Guardmaster 440G-LZ or TLS-ZR guard locking switches.