Positioning: Intelligent distribution network fault isolation core equipment Core functions: Accurate fault isolation Built in zero sequence current transformer, capable of identifying and isolating single-phase grounding faults within 20ms (user side faults do not affect the main network) Support 0-3 automatic reclosing to reduce instantaneous power outage time due to faults Adaptive to all working conditions Suitable for harsh environments ranging from -40 ℃ to+70 ℃ and humidity of 95%, with maintenance free design and a mechanical lifespan of ≥ 30000 times Intelligent remote control