Qjz-30/660 (380) n reversible vacuum electromagnetic starte

  18053757353 (same as wechat) /0537-3153753 welcome to Dongda electromechanical!
summary
  Qjz-30/660 (380) n mine flameproof and intrinsically safe reversible vacuum electromagnetic starter (coal safety certificate No
: mad150057) is applicable to the direct or remote start, stop, forward and reverse control of three-phase squirrel cage asynchronous motor in the power supply line with AC 50Hz, voltage 660V and current as the rated value, and overload, short circuit, phase failure, undervoltage Over voltage protection and other protection
At the same time, leakage locking protection is realized for the insulation condition of the circuit at the load side
Jining Dongda electromechanical Co
, Ltd
  Zhangqingyuan   18053757353 (same as wechat) 0537-3153753
Qjz-30/660 (380) n mine flameproof and intrinsically safe reversible vacuum electromagnetic starter
Technical features/
It adopts square shell quick opening door and internal circuit drawer type modular structure, which is very convenient for maintenance

Full Chinese LCD display, menu operation, simple control operation and rich display information

Microcomputer intelligent protection adopts advanced 16 bit computer technology and all digital AC direct sampling
The protection function is complete, sensitive and reliable, and the measurement accuracy is high

Equipped with RS485 serial remote control communication interface with isolation, it supports “ Four remotes ” Function, easy to access the underground power grid integrated automation system

  Qjz-30/660 (380) n mine flameproof and intrinsically safe reversible vacuum electromagnetic starter
Functional characteristics
1
the starter has overvoltage absorption device, short-circuit protection, overload protection, phase failure protection / imbalance protection, leakage locking \ undervoltage / overvoltage protection and perfect self diagnosis function
2
with fault memory query function, Jining Dongda electromechanical Co
, Ltd
JININGDONGDAJIDIANYOUXIANZERENGONGSI
Address: South of Shanbo Road, Rencheng Economic Development Zone, Jining Zhixue Road West
Contact: zhangqingyuan
Mobile: 18053757353
Tel: 0537-3153753
Fax: 0537-2902388
Postal Code: 272000
E - mail: 3337474419@qq
com