Zinc Oxide Resistor

Metal oxide resistor of 3 10kV arrester Type Dimension mm D.C.U 1mA kV Leakage Current 0.75U 1mA μA Residual voltage ratio U5kA/U1mA Current impulse withstand Non-linear Ocefficient 10μA 1mA Ageing test 115°C 1000h Diameter High Rectangular 2ms High current 4/10μs D3-1 28±1 24±0.5 4.8 5.7 7 1.82 100 ≥50 23 Chargeabi-lity85% Kct≤1.2 D3-2 31±1 24±0.5 4.8 5.7 7 1.80 120 ≥55 22 D3-3 35±1 24±0.5 4.8 5.7 7 1.75 150 65 22 Metal oxide resistor of 20-35kV arrester Type Dimension mm D.C.U 1mA kV Leakage Current 0.75U 1mA μA Residual voltage ratio U5kA/U1mA Current impulse withstand Non-linear Ocefficient 10μA 1mA Ageing test 115°C 1000h Diameter High Rectangular 2ms High current 4/10μs D4-1 38±1 24±0.5 4.8 5.5 10 1.75 200 ≥80 20 Chargeabi-lity85% Kct≤1.2 D4-2 42±1 24±0.5 4.8 5.5 10 1.71 250 ≥85 20 D5-1 48±1 24±0.5 4.6 5.3 15 1.68 400 100 19 D5-2 52±1 24±0.5 4.6 5.3 15 1.63 450 100 18 Metal oxide resistor of 66kV arrester Type Dimension mm D.C.U 1mA kV Leakage Current 0.75U 1mA μA Residual voltage ratio U5kA/U1mA Current impulse withstand Non-linear Ocefficient 10μA 1mA Ageing test 115°C 1000h Out Diameter Inside Diameter High Rectangular 2ms High current 4/10μs D5-2 52±1 24±0.5 4.6 5.3 15 1.63 450 100 18 Chargeabi-lity90% Kct≤1.2 D6 62±1 23±0.5 4.2 5.3 15 1.60 600 100 17 D7 72±1 26±1 22.5±0.5 4.0 5.2 15 1.58 700 100 16