Siemens Fuse Switch Disconnector, 4 Pole, 400A Max Current - 3KF4440-0MF11

The Siemens switch disconnector with fuse has current ratting of 400 A with 4-pole configuration. They fulfil a safety isolation function in all age circuits. 3KF switch disconnector with fuses are optimized for complex applications in which LV HRC fuses are used. The brand offers a comprehensive portfolio of protection, switching, measuring and monitoring devices, distribution systems as well as switches and sockets for safe and efficient electrical infrastructure in buildings and industry.Size of the switch disconnector 4 Protection class IP20 Isolation voltage 1000 V Ambient temperature -25 °C to +70 °C Surge voltage resistance 12 kV Mechanical life 8000