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Air Type Busbar Trunking System FCK


LongXing FCK air type busbar is applicable to the AC 3-phase 3-wire, 3-phase 4-wire and 3-phase 5-wire power supply and distribution system of which the frequency is 50Hz(60Hz), the rated operational volatage is 660V and the operational current is 100-5000A and the most ideal power supply and distribution device for modern large and medium sized enterprises, high building to introduce engineering experimental base. For the busbar with socket, it is very convenient to lead to power branch by pluging switch box. The installation of bus duct can be from the transformer to power distribution cabinet directly and it also can be from the low-voltage switchgear to the power distribution system as power distribution main circuit.


l The ambient temperature is -5℃~+40℃ and the average temperature in 24 hours should be lower than +35℃.
l The relative humidity need to be under 90% (when the ambient temperature is+20℃).
l The altitude of the installation place no more than 2000m.
l The pollution grade is Level 3.
l Installation category: level III, IV.
l Rated insulation voltage: 380V, 690V.
l Rated frequency: 50~60Hz.
l Rated current:: 3-phase 4-wire 100, 160, 200, 250, 315, 400, 630, 800, 1000, 1250, 1600, 2000, 3150, 3500, 4000, 5000.
l Insulation resistance value: The resistance value for each bus duct should be more or equal to 20M.
l Insulation strength: 50Hz, 2500V/min or 3750V/min power-frequency voltage-withstand test for each busbar are conducted before delivery.
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