Vacuum feeder switch

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Vacuum feeder switch
Posting date : Apr 19, 2014
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11-
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Feature Adapted to the coal mine ac 50 hz, voltage 1140 v, rated current 630 a line, as the power distribution system of the main switch or separate customs use; When this switch is used as a master switch, also can be used as a mining flameproof vacuum feed switch on the low voltage side of mobile substation Parameter Rated current/A 500 630 Nominal voltage/V 1140 660 380 1140 660 380 Ultimate breaking capacity/KA 9 12.5 15 12.5 15 17.5 Electrical endurance 8000 Mechanical life 15000

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