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Application
This serial of starter is applicable in coal mine or place where may contain methane,dust and other explosive gas. In the power supply of AC 50Hz, voltage 1140V or 380V, current 30-200A, it can be used to control the start,stop of the three phase squirrel cage induction motor .
Model implication
Features
This product adopts modular design, rational layout, simple structure,which is convenient to use and maintain.
The protector adopts advanced , large-capacity and new type microprocessor or PLC, high protect precision and respond speed. The function of leaking lock, under-voltage,three-phases imbalance,over load,short-circuit,wind power latch,gas protection,etc
Equipped with malfunction function.
Equipped with hardware and software self-test function, system will give signal if anything went wrong.
The screen will display three phases working current value and at the same time.all kinds of menu can be shown on the screen at the same time.
This protector can be connected to the monitor system through the RS485 or the CAN cable to realize the communication. The remote switch off, remote switch on, revising parameters and inspecting switch can be achieved.
Main technical parameters
Type spec. |
Rated current (A) |
Rated voltage (V) |
Power of control motor (kW) |
Entry cable O.D. |
Outline dimension L×W×H(mm) |
Weight (kg) |
|
Main circuit |
Control circuit |
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QJZ2-400 |
400 |
1140 |
500 |
28~63 |
9~23 |
718×520×814 |
225 |
660 |
340 |
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380 |
200 |
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QJZ2-315 |
315 |
1140 |
380 |
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660 |
250 |
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380 |
160 |
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QJZ2-200 |
200 |
1140 |
250 |
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660 |
170 |
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380 |
10 |