Mining Vacuum High Voltage Switchgear 1140V 400A With Flame Proof
Description:
QJZ-400/1140(660) mine use flame-proof and intrinsically safe vacuum electromagnetic starters are suitable for underground mines containing explosive gas (methane) and coal dust. They start and stop directly or remotely motors with rated current up to 315 A ( 400A) on the power supply system of a. C. 50Hz, 1140V or 660V, and they provide protection of motors and their power supply lines.
Competitive Advantage:
16 bit micro-processor for intelligent control, Chinese(English) character LCD, current detection and fault output, optional data transmission interface (RS485 or Device Net) and optional built-in FLEX I/O for remote control.
Specifications:
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Item |
Content |
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QJZ-400/1140(660)Z |
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Rated voltage |
1140/660V |
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Rated current |
400A |
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Controlled motor power |
Voltage 1140V |
75-590kW |
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Voltage 660V |
40-340kW |
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Dimensions/weight |
1175*590*950mm/450kg |
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Type of Protection |
Mine use FLP I.S. safe type Exd [ib] I |
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Outside diameter of inlet cable |
Power line: 32-78mm Control line: 14-21mm |
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Protection function |
Overload, short-circuit, phase failure, leakage-lockup, overvoltage and under voltage |
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Fault protection output |
2 circuits: short circuit/leakage, overload/phase failure |
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Current or frequency output |
Current signal: DC1-5mA Pulse frequency signal: 200-1000Hz |
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Display |
Running parameters: voltage, under voltage/overvoltage, current, insulation resistance and electric network frequency Mode of operation: stop/start of this starter; stop/start of the following starter Fault signal: short-circuit, overload, leakage, phase failure Fault status: signal back from this device; signal back from the other device |
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Settings |
Rated current, voltage, programmable control state of the following device, programmable control delay of the following device, current output, test value, start short circuit delay |
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Data communicate interface (optional) |
RS485 or Device Net RS485 or Device Net |
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Certifications
manufacturing license / MA mine security certification / flame proof certification.
Production Facility:
