Underground Mining Explosion-Proof Switch

Product Description

QBGZ-50~400/10(6)
Mining explosion-proof high voltage vacuum electromagnetic starter 


Application
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, rated frequency 50Hz, rated current 630A.

Technical Parameters

Rated voltage	6, 10	KV
Rated current	50, 100, 150, 200, 250, 300, 400	A
Rated frequency	50	HZ
Rated short-circuit breaking current	4.0	KA
Rated short-circuit making current	10.0	KA
Rated peak withstand current	10.0	KA
Main circuit resistance	≤500	μΩ
Operating voltage	100	V/AC
Mechanical life	100000	Times
Dimensions(W*D*H)	1326* 1384*1196	MM

Structure description
1.The equipment shell is rectangular, quick open door structure, movement trolley push-pull structure.
2.The equipment is equipped with an independent small wiring cavity, and the high voltage can be safely connected to the control line without power outage.
3.The mobile car core body is adopted, and the handcar body adopts accurate positioning and propulsion, and the guiding mechanism ensures the interchangeability and consistency of the mobile car, and the maintenance and replacement is convenient.

Technical advantages and functional characteristics
1.WTG-200 high voltage switch microcomputer integrated protection device or PLC programmable controller 
2.The human-computer interaction interface uses Chinese color LCD screen, customizable display language. 
3.It has standard RS485 communication interface, provides standard communication protocol. 
4.Customizable with lighting or heating dehumidification.
5.Detailed fault parameters can be displayed, recorded and queried 
6.A national invention patent for a product.