Feed Switch Feed Switch, feed switch manufacturers, the price of feed switch mine introduced flameproof vacuum feed switch product flameproof vacuum feed switch for explosive gas (methane in coal mines and other surrounding medium mixture) environment, in AC 50Hz, voltage up to 1140V line, as a master switch power supply system, branch switch, or as a flameproof mobile substation feeder switch can also be used as a large capacity motor infrequent start purposes, overload, short circuit, voltage, leakage protection and so on. Zmjt11 flameproof vacuum feed switch Features 1, flameproof vacuum feed switch can be used as the power supply system of the main switch or branch switch, or as a flameproof mobile substation feeder switches, also can be used as large-capacity motor infrequent starting role; 2, breaking ability, rapid analysis. Limit breaking capacity of 12.5KA, breaking time <0.15S (received signal leakage from the play action breaking completed); 3, electrical simple principle, the protective effect, to show the effect complete. Flameproof vacuum feed switch main technical parameters: 1, Rated voltage: 660V / 1140V 2, Rated current: 630A 500A 400A 3, Power frequency: 50HZ 4, working system: continuous duty 5, control operating voltage: 48V ~ 127V 6, Dimensions: 508 * 780 * 8547, Weight: 300kg 8, ultimate breaking capacity: 12.5KA (630 switches) 9KA (400,500 switch) 9, electrical life: 3000 10 Mechanical life: 10000 once the product has been exported to many countries, the United States, France, Canada, Indonesia, Russia, Vietnam, Australia, South Korea, Iran, was unanimously praised by customers. Due to production batches, depending on the model, the above picture is only for reference, the details can contact our sales staff to carry out specific verification. National unity free Sales Tel: 400-086-0537