Low-Voltage Withdrawal Switchgears
★ Ambient air temperature; maximum temperature +40℃, minimum temperature -5℃. Average daily temperature not exceeding 35℃.
★ The relative humidity of the surrounding air does not exceed 50% at a maximum temperature of +40°C. A higher relative humidity is allowed at lower temperatures, such as 90% at +20°C; and should take into account the possibility of occasional condensation due to changes in temperature.
★ Indoor installation and use, the altitude of the use site doesn't exceed 2000m.
★ The inclination of equipment installation and vertical surface doesn't exceed 5%.
★ Earthquake intensity: no more than 8 degrees.
★ No fire and explosion hazards; serious pollution, chemical corrosion and violent vibration of the place.
★ Equipment shell protection level IP30.
★ Each functional unit is provided with a separate compartment to prevent electrical faults from spreading and to protect the safety of personnel and equipment.
★ Each functional unit adopts drawer design, the same functional units can be interchanged, and the maintenance is convenient.
★ The equipment cabinet frame is made of aluminum-zinc coated steel plate, which has high mechanical strength, impact resistance and corrosion resistance.
★ Reliable, flexible and expandable design, saving floor space.
★ Power supply system characteristics: rated voltage, current, frequency.
★ plan layout diagrams, primary system diagrams, secondary schematic diagrams.
★ Operating conditions: maximum and minimum air temperature, moisture difference, humidity, altitude and pollution level, other external factors affecting the operation of the equipment.
★ special conditions of use, should be described in detail.
★ Please attach a detailed description for other special requirements.
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