3NP1920-1FA00 | Siemens

Auxiliary switch, 1 changeover contact, for Size NH000, accessory for fuse switch disconnector 3NP1 Fuse switch disconnector 3NP up to 630 A with enhanced protection for personnel and plants and user-friendly connection system. The fuse switch disconnectors provide reliable overload and short-circuit protection for industrial plants or infrastructure and are suitable for use in various industries. The reach-round and touch protection incorporated as standard in the new SENTRON 3NP series prevents users from touching current conducting parts when mounting in a busbar system, even if they need to be accessed on the rear.

Features

• Maximum flexibility due to modular design and universal accessories
• Suitable for floor mounting, standard mounting rail, and Siemens busbar system 8US
• Electronic fuse monitoring function including line monitoring
• Fast and safe conversion of cablefeeder top / bottom
• Flexible switching instants of auxiliary switch (simultaneous or leading)
• Possibility of locking and sealing