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|Mine Use Switchgear>>3300V Switchgear>>KJZ3-1500/3300-9 mine use switchgear (9Circuits)

Country/Region china
Company Changzhou LIANLI Technology Co., Ltd
Categories High Voltage Switchgear
Telephone 86(519)-88223400
ICP License Issued by the Chinese Ministry
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    |Mine Use Switchgear>>3300V Switchgear>>KJZ3-1500/3300-9 mine use switchgear (9Circuits)

    1.PURPOSE

    KJZ3-1500/3300-9 mine use FLP and I.S. intellegent switchgear is suitable for underground mines containing methane mixture gas and having potential danger of coal dust explosion.It provides start/stop, two-speed switching, master and slave sequencial control of drum shearer, AFC, stageloader and crusher in a fully mechanized coal face on the power supply lines of a.c. 50Hz, 3300V. It also provides protection of electric motors and power supply lines. The DSP system of switchgear can integrate with the built-in monitoring system of the shearer for achieving data transmission among face equipment, sequencial operation, and automatic control of all the equipment in a fully mechanized face. The switchgear has auxiliary power supplies of 127V and 220V for external illumination and control.

    2.CHARACTERISTICS

    Digital signal processing (DSP), CANbus, selfadaptive detection, network interface, Chinese character LCD, self-diagnosis of fault, incoming and outgoing cables joined by cable connectors. The built-in shearer monitoring system

    3.MAIN TECHNICAL PARAMETERS

    Items

    Content

    Basic data

    Rated voltage: 3300V; Total current: 1500A; Frequency: 50HZ

    Overall dimensions

    3950mm*1210mm*1065mm

    Input circuit

    3*500A

    Output circuit

    Current of two circuits450A, Current of seven circuits 400A

    Drive unit

    Current of a.c vacuum contactors in two circuits 450A.; Current of a.c. vacuum contactors in seven circuits, 400A

    Isolator

    600A on loaded

    Control & protection systems

    Multiple DSP systems, CAN field bus

    Protection function

    Overload, short- circuit, leakage, leakage-lockout; phase failure, high voltage insulation-monitoring, undervoltage, overvoltage, back-up trip protection

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    Quality |Mine Use Switchgear>>3300V Switchgear>>KJZ3-1500/3300-9 mine use switchgear (9Circuits) for sale
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