Explosion-Proof and Intrinsically Safe Type Multi-Loop High-Voltage Vacuum Electromagnetic Switch for Mine

QJGZ-800~2400/2~10
Mining explosion-proof and intrinsically safe type multi-loop high-voltage vacuum electromagnetic starter

Application
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.

Technical Parameters
Model QJGZ-2400/3300-8, 9, 10 QJGZ-1600/3300-6 QJGZ-800/3300-4, 2
rated operational current 2400A 1600A 800A
Number of output loops 8, 9, 10 6 4, 2
Vacuum isolation phase changer 3 Lines(Each line 800A) 2 Lines(Each line 800A) 1 Lines(Each line 800A)
Shape size including cable connector 3100*704*1219 3100*704*1219 1605*718*1205
Rated operational voltage 3300V  50Hz
vacuum contactor Single circuit maximum rated current:400A
Input and output mode Cable connector
Protection function Leakage, leakage locking, insulation monitoring, overload, short circuit, overvoltage, undervoltage, phase break
Fault query Query and store fault information for 30 days at any time
Display module The man-machine interface adopts embedded system, and the running condition is monitored dynamically.
Communication mode RS485,CAN Bus, Ethernet
Control mode Proximity control, security remote control, network control