Vacuum feed switch vacuum feed switch, vacuum feed switch prices, vacuum feed switch manufacturers vacuum feed switch Products vacuum feed switch for coal mine and other surrounding medium containing explosive gas (methane mixture) environment, 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 with, there is an overload, short circuit, undervoltage, leakage protection and so on. Zmjt11 vacuum feed switch Features 1, flameproof vacuum feed switch can be used as a master switch or branch switching power supply system, or as a flameproof mobile substation feeder switch can also be used as a large capacity motor infrequent start action; 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. 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, shape Size: 508 * 780 * 8547, Weight: 300kg 8, ultimate breaking capacity: 12.5KA (630 switches) 9KA (400,500 switch) 9, electrical life: 3000 10 Mechanical life: 10,000 times the product has been exported a number of countries the United States, France, Canada, Indonesia, Russia, Vietnam, Australia, South Korea, Iran, etc., to get the client's praise. 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