For surface or flush mounting Designed for semi-cylinders Effective safety with core pull protection, which protects the cylinders from being drilled out and pulled off Sabotage protection with cover and wall switches Two integrated LEDs for status display Two switching contacts configurable as switches or keys Suitable semi-cylinder 10//30, order number 524-6144, Abus C83, with 3-way adjustable closing nose (incl. 3 keys), available as separate items