... Safe, reliable, no pollution, can operate directly in the load center 2. High mechanical strength, strong ability to withstand ... stability, high reliability, long use life; 3. Low no-load loss, high performance, low noise, efficient energy conservation; 4. High thermal ... kV)Connection SymbolShort-Circuit Impedance(%)No-load Loss(W)On-Load Loss(W)No-load Current(%)Insulation ClassNoise(dB)Weight (kg ...