Application:It is suitable for the dangerous environment of gas and coal dust explosion. Used for electrical control, monitoring and comprehensive protection of belt conveyor and other equipments in coal mine.
It is suitable for communities, shopping malls, schools, supermarkets, substations, industrial enterprises and other power users, with Ac 50Hz, rated voltage 400V, 690V, rated current 1000 ~ 3150A power distribution system.
Mining explosion-proof and intrinsically safe type multi-loop high-voltage vacuum electromagnetic starter is suitable for coal mine AC 3300V, frequency 50Hz, three-phase neutral point unearthed power supply system, local or remote control of three-phase asynchronous electric drive, to realize the centralized control of shearer, scraper conveyor, crusher, transfer machine, pumping station and other equipment in comprehensive mechanized coal mining face.
This product is applied to soft starting, soft stopping, operation process control and energy-saving application of motor in harsh environment such as coal mine, other mines, petroleum and chemical industry. It is especially suitable for supplying frequency conversion speed regulation control for underground winch, belt conveyor, scraper conveyor, coal feeder, fan, local fan, water pump, pressure fan and emulsion pump.
Mining explosion-proof and intrinsically safe type multi-loop high-voltage vacuum electromagnetic starter is suitable for coal mine AC 3300V, frequency 50Hz, three-phase neutral point unearthed power supply system, local or remote control of three-phase asynchronous electric drive, to realize the centralized control of shearer, scraper conveyor, crusher, transfer machine, pumping station and other equipment in comprehensive mechanized coal mining face.
KJZ-500,630/1140(660) Mining explosion-proof and intrinsically safe vacuum feeder switch.Used in coal mines, in AC 50Hz, rated voltage of 660V or 1140V, rated current to 500A(630A) three-phase neutral point undergrounded power supply system, as a main switch or branch switch, but also as a large-capacity motor infrequently for starting control.
The device is used in coal mines containing explosive gas (methane) and coal dust. It is suitable for the circuit center. To local control or remote control the start and stop of AC 50Hz, voltage 1140V, 660V or 380V, ungrounded three- phase asynchronous motor, and can be reversed at the stop.
The product is suitable for underground coal mines with explosive dangerous gas, in the power supply system with rated voltage of 10kV or 6kV, rated frequency of 50Hz, and three-phase AC neutral point is not directly grounded, as high-voltage power distribution, high-voltage starter and other high-voltage electrical equipment. , used for its secondary control power supply and metering signal, and its explosion-proof performance and electrical performance meet the requirements of national standards and industry standards.
This product is suitable for an environment with coal mine gas, coal dust, and other explosive gases underground, to logically control the start, stop and double-speed of the three-phase AC asynchronous motor or AC double-winding motor in the circuit of AV 1140V or 660V. And it has a joint control function.
The product is mainly used in coal mine with explosive dangerous gas (methane mixture). The power supply system with rated voltage of 10 kV, 6 kV, rated frequency of 50 Hz and non-direct grounding of three-phase AC neutral point is used to control, measure and protect the power supply system with rated voltage of 10 kV, 6 kV, rated frequency of 50 Hz and non-direct grounding of three-phase AC neutral point.
The product is mainly applicable in the coal mine with explosive gas (methane mixture), to control, protect and measure in the three-phase AC neutral point not directly grounded power supply system of rated voltage 10KV, 6KV, rated frequency 50Hz.
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