Busbar system, bar center distance 60mm, device adapter, width: 185mm, bar thickness: 5.10mm+TT profile for switching devices up to 630A 3KA52/53, 3KL52/53 for 3VF4/5 also order 8US1927-4AF00 for 3VL1+DI, 3VL4 also order 8US1927-4AF01 8US busbar system for the installation of protective devices such as fuse switch disconnectors and circuit breakers - safe, space-saving, clear. The use of the Siemens 8US busbar systems offers a wide range of options for the installation of rail-adaptable connection, switching and installation devices. The space-saving modular design and quick-assembly contacting ensure economical electrical equipment in today's distribution board construction. The assembly takes place on longitudinal beams, the bar spacing is 60 mm. The Siemens 8US busbar systems are characterized by: 1. Mechanical fastening and electrical contacting in one operation. 2. Worldwide approval and therefore worldwide application possibilities in mechanical and plant engineering. 3. Easy replacement of individual devices or entire combinations. 4. Installation time saved and costs reduced thanks to fully assembled consumer branches. 5. High operational reliability thanks to finger-safe cover of the adapters and device carriers. 6. Wide range of usable busbars for easy adaptation to currents up to 1,600 A.