Mechanical inserts Key switch insert with protection against dismounting 10 A 250 V ~ Screw terminals for wires up to 2.5 mm2 screw fixing only, without claws for locking cylinder with total length of approx. 40 mm, e.g. ref.-no.: 28, 28 G1 Centre plate for key switch can only be dismounted when the lock is in unlocked position. Version: Blind push-button, 2-pole (2 motors) Manufacturer: JUNG Ref.-no.: 134.28