The Siemens Bus bar system Bus bar centre-to-centre spacing 60 mm device holder with Width 45 mm and Bar thickness 5.10 mm. 8US bus bar system is used for setting up protective devices such as fuse switch disconnectors and circuit breakers - safe, space-saving and clearly laid out. The use of the 8US bus bar systems from Siemens gives a number of options for installing rail-adaptable connecting, switching and installation devices. Cost-effective electro technical enhancement of modern distribution boards is possible due to their small footprint, compact design and quick assembly contacts.

Mechanical fixing and electrical contacting in a single step
Easy replacement of individual devices or entire combinations
Time savings and cost reductions in installation with preassembled load feeders
High operational safety with finger-safe adapter and