The Siemens 8US1921-2BC00 is a Bus bar system, accessories Bus bar centre-to-centre spacing 40, 60 mm Connection terminal Bar thickness: 10 mm+TT profile 16-120 mm2 8US bus bar system 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.

Key features of the Siemens 8US bus bar systems:
1. Mechanical fixing and electrical contacting in a single step.
2. Easy replacement of individual devices or entire combinations.
3. High operational safety with finger-safe adapter and device holder covers.