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Coal Mine Low Voltage Vacuum Electromagnetic Starter Switch, High-Voltage Switch

China Coal Mine Low Voltage Vacuum Electromagnetic Starter Switch, High-Voltage Switch, Find details about China Magnetic Starter, Low Voltage Voltage from Coal Mine Low Voltage Vacuum Electromagnetic Starter Switch, High-Voltage Switch

Model NO.
QJZ-400(315)/1140(660)
HS Code
8537209000
Model NO.
QJZ-400(315)/1140(660)
HS Code
8537209000

(one) Application
QJZ-400(315)/1140(660) Mine-used Flameproof and  Vacuum Electromagnetic Starter is suitable for underground coal mines with explosive gas such as methane. With the rated voltage 660V,1140 V, rated current up to 400A or 315A, 50 Hz, the starter can be used to directly or remotely control the 3-phase squirrel-cage motor and can do commutation when the motor stops. It has multiple functions such as leakage locking, over-current, phase loss, under voltage, air and electricity interlocking, program-controlled protection and communication interface.

(two) Technical Parameters
Rated Voltage660V1140V
Maximum Power of Control Motor260kW(315A)450kW(315A)
340 kW (400A)590kW(400A)
Rated Frequency50Hz
Rated Current315A, 400A
Ultimate Breaking Capacity4500A
Breaking Capacity of Isolation Switch945A, 1200A
Electncal Life30000times
Mechanical Life1000000times



 

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