Surge Arrester, 3 Pole + Neutral, Type 2-3, 20kA, Acti9 Range

• Combined surge arrester type 2 and type 3 20kA
• High discharge capacity in case of direct and indirect lightnings
• Self protection with back-up fuse integrated: No need of external disconnector
• Suitable for TT, TN-S and TN-C-S networks with high prospective short-circuit fault currents
• Operating state green-red indicator of each pole

This is a 3P+N modular device with a 2+3 surge arrester class type with a surge adapted backup fuse. There is no remote signalling but there is a front face local signalling with a green flag when the device is opeartional and with a red flag when the device needs to be changed. This surge arrester allows quick replacement of withdrawable cartridges when they are damaged.