QBZ-2×80(60、30)/1140(660、380) SF Mining Explosion Proof Intrinsically Safe Dual Power Supply Vacuum Electromagnetic Starter(Used With Mining Fan)

QBZ-2×80(60、30)/1140(660、380) SF Mining Explosion Proof Intrinsically Safe Dual Power Supply Vacuum Electromagnetic Starter(Used with Mining Fan)

Use
The starter is used for auto-convert, start, stop and protect the contra-rotated fans in three phase neutral point ground disconnected power supply system of AC 50Hz, rated current is up to 4x80A, voltage is 1140V,660V or 380V in the coal mine or the place where is filled with explosive gas mixture of methane ,coal dust and so on.

 

 

Meaning of type
QBZ-2×80(60、30)
Technical descriptions
1.Adopt the JBD protector.
2.Has the functions of leakage protection, three phase imbalance, overload, short circuit, phase break, wind and electricity alarming, etc.
4.Modularization design with rational layout, simple structure, convenient for use and maintenance; the main circuit adopts vacuum contactor which has no electric arc, long time of durability and reliability.

Technical data

Type

Rated current (A)

Rated voltage (V)

Motor power (kW)

External diameter of cable(Φmm)

Dimension      W×H×D

(mm)

Weight (kg)

Main circuit

Control circuit

QJZ-2×80SF

4×80

1140

100

19~51

12~40

9~23

920×890×550

445

660

65

380

40

QJZ-2×120SF

4×120

1140

150

28~63

19~51

965×965×630

545

660

100

380

60

QJZ-2×200SF

4×200

1140

250

660

170

380

100