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.
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.
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 device is used in coal mines containing explosive gas (methane) and coal dust. It is suitable for the circuit of AC 50Hz, voltage 1140V or 660V, ungrounded three- phase center. To control the forward and reverse rotating of three-phase asynchronous motor.
It is used in coalminesin three-phase neutral ungrounded transmission lines with voltage AC 3300V,50Hz. It canmake local and remote control of three-phase asynchronous motor and concentrated control of coal cutter,scraper conveyor, crusher,reversed loader, pump station and other equipments of comprehensive mechanized coalfaces.
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.
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.
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.
PLC (programmable logic. controller) programmable control cabinet is an electrical cabinet that can be programmed according to the needs of operating conditions, and can realize the automatic control of motors, switches and other equipment
It is used in coalminesin three-phase neutral ungrounded transmission lines with voltage AC 3300V,50Hz. It canmake local and remote control of three-phase asynchronous motor and concentrated control of coal cutter,scraper conveyor, crusher,reversed loader, pump station and other equipments of comprehensive mechanized coalfaces.
PLC (programmable logic. controller) programmable control cabinet is an electrical cabinet that can be programmed according to the needs of operating conditions, and can realize the automatic control of motors, switches and other equipment
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.