Siemens 5sl 7 din rail circuit breaker switch 3 pin tripping characteristic b siemens 5sl6325 7 the siemens 5sl6325 7 is a 3 pin miniature circuit breaker from the 5sl6 series that is intended for use up to 6ka this circuit breaker has system features that are characteristic of all siemens miniature circuit breakersit is suitable for the quick and easy mounting of additional components such as auxiliary switches and fault signal contacts the 5sl6 miniature circuit breaker can also be co