The circuit breakers of the SU 200 MR series protect cables and lines against overload and short circuit in accordance with DIN VDE 0100-430 and DIN VDE 0100-530. They comply with the construction regulations DIN VDE 0660-101 or IEC/EN60947-2 and UL489 or CSA 22.2 No. 5. The captive screw of the connection opening for M5 ring cable lugs ensures a constant connection. The extensive range of accessories offers you everything you need for your installation tasks. Each device is subjected to intensive quality and performance tests three times before delivery.