YHW type polymetric housed metal oxide surge arrester is a new type of overvoltage protective element with excellent performance, suitable for over-voltage protection of transformers, power transmission lines, power distribution panels, switch cabinets, power metering boxes, vacuum switches, shunt compensation capacitors, and motors.
Working environment conditions:
1.1 Ambient temperature: Not higher than +40ºC, not below than -40ºC;
1.2 Altitude: Not exceed 2000m;
1.3 Pollution grade: Grade III, IV
1.3 Power frequency: Not less than 48Hz, not exceed 60Hz;
1.4 Earthquake intensity: Not exceed 7 degrees;
1.5 The maximum wind speed does not exceed 35m/s;
1.6 Specify when ordering if used in highland and polluted areas.
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