Intelligent Vacuum Feeder Switch for Mobile Substation
Purposes
It ideal for gas mixture containing methane, a dangerous coal mine explosion, 50Hz exchange, rated voltage of 1140V, 660V, rated A three-phase current 800,1000 not neutral grounding of the power supply system, a three-phase locking symmetry leakage and leakage protection, the switch leakage protection for the back up protection. Can be used as mobile Mining Explosion proof Substation Feeder Switch (to open the rear cover and mobile substation butt) or as a separate distribution master switch, but also as a large-capacity frequent starter motor control purposes.
Technical features
- Intelligent use of advanced technology, Micro-controller, the sampling of high accuracy, anti-jamming capability is strong, flexible and reliable performance of action;
- Using man-machine screen (using a keyboard and LCD) systems, parameter settings flexible, intuitive operation and fault screen concise;
- self inspection system, fault diagnosis, Inspection and memory function;
- Real time detection and digital display operation status and fault instructions;
- With overload, short circuit, leakage protection, leakage atresia, under voltage, overvoltage absorption, broken phase and three-phase imbalances, such as backup protection tripping;
- With the high-pressure side to achieve electrical interlock switch and the temperature alarm to power;
- Allocation standard RS485 communication interface, configuration KJ254 Mine in power monitoring system, to telemetry, remote control, remote, remote-four remote function, power supply equipment to achieve automation.
| Rated Voltage(V) | 1140(660) |
| Rated Current(A) | 1000,800 |
| Working Frequency(Hz) | 50 |
| Leakage act time(ms) | 0-999.99ms adjustable,step length is 1 |
| Leakage act value(K) | 0-999K adjustable, step length is 1 |
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