The Siemens SENTRON's fuse switch disconnector has 3-pole configuration with current rating of 250 has cover level of 32/70 mm with flat terminal type electrical connection. 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.

Operating voltage 690 V AC
Surge voltage resistance 8 kV
Ambient temperature -25 °C to +55 °C
Isolation voltage 1000 V
Mechanical life 1600