Mining Explosion Proof Starter Soft Starter (QBZ-60)
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- Model NO.: QBZ-60
- Rated Current (a): 400, 315, 200
- Weight (Kg): 1400
- Trademark: CNC
- Origin: Wenzhou, Zhejiang
- Rated Voltage (V): 1140V, 660V
- Outline Dimension (Mm): 2300X595X800
- Max Power (Kw): 590/340,450/270,290/170
- Specification: CE, ISO, CCC
This series mine explosion-proof type vacuum electromagnetic starter is applicable in AC
50Hz distribution system of three-phase indirect neutral-point earthing with rated voltage
Of 1140V, 660V or 380V in underground coal mines with explosive and dangerous
Gas(methane) and coal dust. It is used to control direct start, stop and reversal of threephase
Squirrel-cage asynchronous motor with rated current of 200A, 120A, 80A. Meanwhile,
It also offers protection to motor and relative circuit.
2.1 It adopts dialing and lever combined setting, which can modify and set rated current.
2.2 Various protective functions such as overload, short circuit, under voltage, over voltage,
Loss of phase, leakage lockout, phase imbalance etc.
2.3 Remote control of forward and reverse rotation(reversible).
3. Technical Parameter
Rated voltage (V): 1140, 660, 380
Rated current (A): 60, 30
Rated frequency (Hz): 50
Power of controlled motor:
Starting voltage: 75%Ue-110%Ue
Leakage lockout value (kΩ ): 40+20%(1140V); 22+20%(660V); 7+20%(380V)