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Application
QJZ3 mining Explosion Proof and intrinsic safety vacuum electromagnetic starter (hereinafter: starter) is applicable in coal mines or places where are full of explosive gas mixture such as methane, coal dust and so on. In power supply of AC 50Hz, voltage 1140V, 660V or 380V, current 30-200A, it can be used to directly control or remote control the start and stop of mining ex-proof type three-phase asynchronous motor and it also can be used to exchange the phase when stops.
Features
Main circuit of this series product adopts vacuum contactor, without arc, long life and high reliability.
Adopts JDB motor integrated protector with complete protection function.
Simple structure, less maintenance.
Function of liquid level control (please take a notice when placing an order).
Main technical parameters
Type spec. |
Rated current (A) |
Rated voltage (V) |
Motor power (kW) |
Entry cable O.D. |
Outline dimension L×W×H(mm) |
Weight (kg) |
|
Main circuit |
Control circuit |
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QJZ3-30/660(380) |
30 |
660 |
25 |
12~30 |
8~19 |
425×343×540 |
55 |
380 |
15 |
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QJZ3-60/660(380) |
60 |
660 |
50 |
||||
380 |
30 |
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QJZ3-80/660(380) |
80 |
660 |
65 |
19~51 |
8~19 |
650×446×742 |
108 |
380 |
40 |
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QJZ3-120/660(380) |
120 |
660 |
100 |
||||
380 |
60 |
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QJZ3-200/660(380) |
200 |
660 |
170 |
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380 |
100 |
||||||
QJZ3-30/1140(660) |
30 |
1140 |
40 |
100 |
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660 |
25 |
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QJZ3-60/1140(660) |
60 |
1140 |
80 |
||||
660 |
50 |
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QJZ3-80/1140(660) |
80 |
1140 |
100 |
127 |
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660 |
65 |
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QJZ3-120/1140(660) |
120 |
1140 |
150 |
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660 |
100 |
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QJZ3-200/1140(660) |
200 |
1140 |
250 |
|
|
650×455×780 |
130 |
660 |
170 |