1. Function

It is ideal for mines with explosive gases(Methane)and coals, and it is used in AC50Hz,3300Vpower supply circuit, it can control start, stop, reverse rotation and double-speed switchingof 2-10 sets of three phase asynchronous induction motors or 1-5 sets AC double-windingand double-speed motors, and it also can protect motors and their power supply circuits.Therefore, when it is attached in Kj2000 mine electric power automatic control and comprehensivemeasurement and monitor system to realize automatic control on power supplyequipments in mining area. The starter has all English LCD touch screen display that hashighly stable performance and is highly reliable for perfect man-machine conversationfunction.

3. Characteristics

1. All English LCD touch screen display;

2. Pull-down menu setting;

3. Standard RS 485/232 communication interface is attached;

4. Various protective functions for over-current, short-circuit undervoltage, phase loss,current leakage, over-voltage and 3-phase imbalance etc;

5. Real-time display of 3-phase current. system voltage, operating status of circuit, on-linestatus of circuit and fault types etc;

6. Function of faults searching and faults recording;

7. It is attached in KJ2000 mine electric power automatic control and comprehensivemeasurement and monitor system to realize telemetry, telecommunication, remote controland remote regulation.

4. Technical Parameter

1. Rated voltage: 3300V

2. Rated frequency: 50HZ

3. Numbers of branches: 2-10

4. Combination mode: 400A

5. Combination mode: 2-10 branches random combination

6. Control mode:Various control modes such as single-motor and single-speed, multi-motor and singlespeed,single-motor and double speed. Double motor and double speed. low-speedstandby and high-speed standby etc.

7. Display Mode: Touch screen display