High And Low Voltage Switch Cabinet
High and low voltage switch cabinets are devices connected to high-voltage or low-voltage cables. General power supply bureaus and substations use high-voltage cabinets, which are then stepped down to low-voltage cabinets through power transformers, and then to each distribution box through...
Description
High and low voltage switch cabinets are devices connected to high-voltage or low-voltage cables. General power supply bureaus and substations use high-voltage cabinets, which are then stepped down to low-voltage cabinets through power transformers, and then to each distribution box through low-voltage cabinets. It is an electrical equipment assembled by some switchgear, circuit breakers, protection devices and circuit breakers.
1. Normal use environmental conditions:
Ambient air temperature: upper limit + 40℃, lower limit 15℃
Ambient relative humidity: daily average does not exceed 95%, monthly average does not exceed 90%.
Saturated vapor pressure: daily average does not exceed 2.2x103Mpa, monthly average does not exceed 1.8x103Mpa. When the temperature drops sharply under high humidity, it may cause condensation
Altitude: no more than 1000m.
Earthquake intensity: no more than 8 degrees
There is no danger of fire, explosion, serious pollution, chemical corrosion and frequent severe vibration.
2. Special use environmental conditions:
When the product is installed at an altitude of more than 1000m, the manufacturer must be consulted when ordering to take necessary measures to strengthen the insulation.
When the maximum ambient temperature exceeds +40℃, the rated current-carrying capacity of the product will be reduced, and it must be confirmed with the manufacturer when ordering.
When the product is operated in a climate with high humidity and/or large temperature changes, please contact the manufacturer to take necessary measures to prevent condensation when ordering.
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Certificates
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