Sentron fuse switch disconnectors 3NP1, 4-pole, NH3, 630 A, for surface and flush mounting on mounting plates, frame clamp, cover level 70 mm. The 3NP fuse switch disconnectors up to 630 A provide enhanced protection for people and equipment, as well as convenient connection technology. These fuse switch disconnectors protect systems in industry or infrastructure from overload and short circuits and are suitable for cross-industry use. The standard touch and grasp protection included in the new Sentron series 3NP1 prevents users from touching live parts when installing busbar systems, even with rear access. Additionally, users can easily identify the fuses in use through the large viewing windows. Siemens fuse switch disconnectors 3NP are particularly characterized by: 1. Maximum flexibility due to modular design and comprehensive accessories. 2. Suitable for floor mounting, DIN rail, and Siemens busbar system 8US. 3. Electronic fuse monitoring function including network monitoring. 4. Five sizes from 100 A to 630 A with protection class IP40. 5. Quick and safe conversion for cable entry from the top/bottom. 6. Flexible switching times for the auxiliary switch possible (simultaneous or leading). 7. Option for locking and sealing.