Khởi động từ phòng nổ QJZ series(2-10circuits/3300V)

1. Function
It is ideal for mines with explosive gases(Methane)and coals, and it is used in AC50Hz,3300V
power supply circuit, it can control start, stop, reverse rotation and double-speed switching
of 2-10 sets of three phase asynchronous induction motors or 1-5 sets AC double-winding
and 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 comprehensive measurement and monitor system to realize automatic control on power supply
equipments in mining area. The starter has all English LCD touch screen display that has
highly stable performance and is highly reliable for perfect man-machine conversation
function.

2. Model

3. Characteristics
3.1 All English LCD touch screen display;
3.2 Pull-down menu setting;
3.3 Standard RS 485/232 communication interface is attached;
3.4 Various protective functions for over-current, short -circuit undervoltage, phase loss,
current leakage, over-voltage and 3-phase imbalance etc;
3.5 Real-time display of 3-phase current. system voltage, operating status of circuit, on-line
status of circuit and fault types etc;
3.6 Function of faults searching and faults recording;
3.7 It is attached in K J2000 mine electric power automatic control and comprehensive
measurement and monitor system to realize telemetry, telecommunication, remote control and remote regulation.

4. T echnical Parameter
4.1 Rated voltage: 3300V
4.2 Rated frequency: 50HZ
4.3 Numbers of branches: 2-10
4.4 Combination mode: 400A
4.5 Combination mode: 2-10 branches random combination
Control mode:
4.6 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-speed
standby and high-speed standby etc.
4.7 Display Mode: T ouch screen display