QBZ-80NDS Mining explosion-proof double door reversible vacuum electromagnetic starterDetailed product description：

QBZ-80NDS Mining Explosion proof Double door Reversible Vacuum Electromagnetic Starter

One purpose

Suitable for underground coal mines with explosive gas mixtures and coal dust, in a power supply system with AC 50Hz and voltage up to 660V, used for remote control of the starting, stopping, reversing or local stopping of three-phase squirrel cage induction motors with corresponding frequency and voltage.  

Two functions

By combining dialing and gear setting, the rated current can be modified and adjusted;
It has protection functions such as short circuit, overload, phase failure, voltage loss, and leakage lockout;
It can achieve remote control of forward and reverse rotation.  

Three technical parameters and specifications

model	Rated voltage (V)	Rated current (A)	Maximum power of electric motor (KW)	JOB setting current (A)	Ultimate breaking capacity A/time	Mechanical lifespan of 10000 cycles
QBZ-80NS	380 660	eighty	40/65	5.5∽80	2500/3	one hundred