The bus bar system with pin-type connections can be used for all 5SL6 and 5SJ6 miniature circuit breakers KS and 5SY miniature circuit breakers with or without mounted auxiliary switch (AS) or fault signal contact (FC). bus bars in 10 mm2 and 16 mm2 versions are available. With bars that can be cut to length, the 5ST37 bus bar system can be tailored to any requirements. The extremely flexible 5ST36 bus bar system with fixed lengths also enables installation in any length as the bus bars can be overlapped. No further need for time-consuming tasks, such as cutting, cutting to length, deburring, cleaning of cut surfaces and mounting of end caps. Any free pins on the bus bars can be made safe by covering with touch protection.