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Help CenterMine Intrinsically Safe Vacuum Feeder Switch
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Purpose
It is suitable to the coal mine well with mixed explosive gas containing methane. In the power supply system of 50 Hz AC, rated voltage of 1140 V and below and the triphase neutral not grounding directly, the product can be used as power distribution main switch , power distribution branch switch and also the control of motor not start frequently .Configured with KJ254 system of mining power automatic control and synthesis monitoring to achieve remote automatic control and monitoring of equipment ,at last ,to achieve nobody is on guard of monitoring.
Technical Features
1)All English display , real-time display the triphase voltage, triphase current, active power, reactive power, insulation resistance value, quantity of electricity,closed times and other parameters;
2)Pulling-down menu setting, user can operate setting and modifying parameters of switch. The step is one.
3)With the protective functions of short- circuit, over load, current leakage interlock, phase loss, triphase imbalance, current leakage protection, under voltage, over voltage absorption;
4)With functions of wind electricity methane interlock, high voltage electric interlock, over heart alarming, remote break;
5)With RS485/232interface,configured in the system of mining power automatic control and comprehensive monitoring to achieve remote survey, remote control and remote adjustment, lastly to achieve automation of power supply system;
6)Intrinsically safe parameter:5V/2mA;
7)Adopting of permanent magnetic breaker as the key component, more stable and more longer of life.
Technical Data
Rated Voltage(V) |
1140,660 |
Rated Current(A) |
400,200 |
Rated Frequency (Hz) |
50 |
Current leakage acting time(ms) |
0-999.99 adjustable,step:1 |
Current leakage acting value(K) |
0-999 adjustable,step:1 |
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