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Application
This starter is applicable in the power supply system of AC50Hz current 4×80A, voltage 1140V/660V/380V for converse, start, stop and protect the contra-rotated fans in the coal mine or the place where is full of explosive mixture of methane, coal dust and so on.
eatures
Adopting the protection device of JDB.
With the functions of leakage interlock, three phase imbalance, overload, short circuit, phase-breaking, fan-stoppage alarm.
Adopting modular design makes the maintenance easy, the vacuum contactor let the starter no arc, long life and reliable.
Main technical parameters
|
Type spec. |
Rated current （A） |
Rated voltage (V) |
Motor power (kW) |
Entry cable O.D. |
Outline dimension L×W×H(mm) |
|
|
Main circuit |
Control circuit |
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|
QBZ-2×80/1140(660)S |
|
1140 |
100 |
19~51 |
8~19 |
680×655×710 |
|
660 |
65 |
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|
QBZ-2×80/660(380)S |
|
660 |
65 |
|||
|
380 |
40 |
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|
QBZ-2×60/660(380)S |
|
660 |
50 |
19~51 |
8~19 |
670×422×575 |
|
380 |
30 |
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|
QBZ-2×30/660(380)S |
|
660 |
25 |
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|
380 |
15 |
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