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Low-Voltage Withdrawal Switchgears

Short Description:

Low-voltage Withdrawable Switchgear is suitable for low-voltage power distribution systems with AC 50HZ/60HZ, rated working voltage 380~660V and below, for power receiving, power feeding, bus linkage, motor control and power compensation.It covers the functions of power center (PC) and motor control center (MCC), and can be designed as a hybrid system of fixed cabinets and drawer cabinets to meet different power supply and distribution needs.It is widely used in electric power, airports, ports, subways, mines, metallurgy, textiles, chemicals, residential quarters, high-rise buildings and other places. The products meet the requirements of IEC, GB7251 and other standards, and the models derived from it include GCS and MNS, etc.

Product Detail

Use conditions

★ 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.

Main features

★ 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.

Order instructions

★ 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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