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Help CenterMining Explosion-proof and Intrinsically Safe High-voltage Vacuum Electromagnetic Starter
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Purpose
It is applied to mixed gas containing methane, a dangerous coal mine explosion in the exchange of 50Hz, rated voltage of 10kV, 6kV, 3.3kV, rated 630A three-phase current to the neutral point is not directly grounding of the power supply system, to direct high voltage motor starter, and stop control at the same time on the motor and its associated power supply circuit protection The starter used GWZBQ-10(6)G-Computer ,Integrated protection monitoring devices, performance is stable and reliable, and strong interference capability, with standard RS485 communication interface with the power KJ254 mine monitoring system connectivity, remote control and can be realized monitoring equipment to unmanned.
Features
Full Chinese LCD backlit, solid hour manifestation system electric voltage, three mutually electric current, system circulate appearance etc. importance information;
Descend the pull type menu enactment;
Once had to carry, lead to flow, short circuit, owe to press, lead press, insulate surveillance, break mutually, three phase unbalance etc. protection function;
With selectivity to connect ground(electric leakage) a protection;
With electric power to calculate function;
With to break down memory, break down search function;
With parameter enactment a password to target function;
Usage the intelligence turn a total amount word to measure to control a protection equip and have and permit of network correspondence integration connect.
Technical Data
Rated Voltage(KV) |
10(6,3.3) |
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Max Working Voltage(KV) |
12(7.2,3.9) |
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Rated Frequency |
50Hz |
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Rated Current(A) |
160A |
200A |
400A |
500A |
630A |
With current transformers |
50,75,100,150/5 |
200/5 |
315,400/5 |
500/5 |
630/5 |
Rated breaking current(25times) |
1280A |
2000A |
3200A |
4000A |
5000A |
Rated short-time withstand current/duratio |
1600A/4S |
2500A/4S |
4000A/4S |
5000A/4S |
6300A/4S |
Limit breaking current(3 times) |
1600A |
2500A |
4000A |
5000A |
6300A |
Under current overload/duration |
2400A/1S |
3750A/1S |
6000A/1S |
7500A/1S |
9450A/1S |
Mechanical life |
1 millon times |
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Electrical life |
250,000times |
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