* Two LED displays, red and green
* Plug connector MR10
* Actuating head fitted right
Guard locking type
TZ2-Open-circuit current principle, guard locking by applying voltage to the solenoid. Release by spring force.
Switching element
SK-For monitoring the door/actuator position
ÜK-For monitoring the guard locking (built-in solenoid)
2121H-Slow-action switching contact 4 NC
Auxiliary release
This is used for releasing the guard locking with the aid of a tool.