The Siemens SENTRON's fuse switch disconnector has 3-pole configuration with current rating of 400 A. The reach-round and touch protection incorporated as standard in the new SENTRON 3NP1 series prevents users from touching current conducting parts when mounting in a Busbar system, even if they need to be accessed on the rear. The brand offers a comprehensive portfolio of protection, switching, measuring and monitoring devices, distribution boards, switches and sockets for safe, efficient electrical infrastructure in buildings and industry.

Protection class IP20, IP30, IP40
Surge voltage resistance: 8 kV
Ambient temperature: -25 °C to +55 °C
Isolation voltage: 1000 V
Mechanical life: 1000