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

12kV AC 50Hz three-phase system, with load current, overload and short circuit protection, 20kA (short circuit current), vacuum arc extinguishing chamber (zero pollution, maintenance free), IP65 (dustproof and waterproof, suitable for harsh outdoor environments), column/pole installation (total weight ≤ 120kg) Working temperature: -40 ℃~+70 ℃, altitude: ≤ 3000m (special design supports 4000m), 10000 maintenance free operations