GCS type low-voltage switchgear
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SummaryGCS low voltage switchgearis suitable for power plant, petroleum, chemical industry, metallurgy, textile, high-rise building and other industries. Automation in large power plant, petrochemical system, high degree requirements and computer interface places, GCS cabinet can be used as a three-phase AC 50 (60) Hz, rated voltage of 380V (400)V (600) V, rated current is 4000A and below, in the power supply system, power distribution motor centralized control and reactive power compensation using the low voltage power distribution equipment.Use conditions① Ambient air temperature is not higher than +40℃, not less than -5 ℃. Within 24 hours the average temperature shall not be higher than +35 ℃. Over time, according to the actual situation to reduce capacity operation.② Indoor use, the altitude of the place of use shall not exceed 2000m.③ The relative humidity will be less than 50% when the air around the highest temperature is +40 ℃, in the low temperature allowed relative humidity: +20 ~ C is 90%, due consideration should be given to the effects of temperature changes may happen.④ When installation of the device and the vertical surface of the tilt is not more than 5 degrees, and the whole set of counters relatively flat (in line with the GBJ232-82 standard).⑤ The device shall be installed in the place where there is no violent vibration and impact and insufficient to make the electrical components be corroded.⑥ The users have special requirements, can be resolved through consultation with my company.Main technical parametersRated voltage of main circuit (V): AC 380 (400), (660)Auxiliary circuit rated voltage (V): AC 220, 380 (400) DC, 110, 220Rated frequency (Hz): 50 (60)Rated insulation voltage (V): 660 (1000)Rated current (A): bus level less than or equal to 4000Vertical bus (MCC): 1000Rated short-time withstand current (kA/1s): 50, 80Rated peak withstand current (kA/1s): 105176Power frequency test voltage (V/1min): main circuit 2500Auxiliary circuit: 1760Bus: three-phase four wire /three-phase five wire systemProtection level: IP30, IP40
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