Guard Locking Switch - 440G TLS-GD2: TLS-3 GD2 Power to Release, Solenoid Voltage: 24V AC/DC, Solenoid Contacts: 2 Normally Closed, Contacts(Safety and Aux): 2 Normally Closed, 1 Normally Open, Actuator: No Actuator, Conduit Entry: M20 Conduit