Mining flameproof and intrinsically risk-free two-loop vacuum electromagnetic starter

Principal application

  QJZ-2×200/1140(660)S Mining explosion-evidence and intrinsically risk-free two-loop vacuum electromagnetic starter (hereinafter referred to as the starter) is relevant to the coal mine underground. In the AC 50Hz voltage 1140V or 660V line, manage the commence and stop of mine explosion-evidence 3-phase asynchronous motor, which has two circuit impartial handle perform, double circuit h2o amount automatic management purpose, and double circuit joint control operate. At the very same time, in accordance to the low water amount, substantial h2o level, and extremely-higher water amount probes, one # circuit can recognize automated procedure in the pumping process, due to the fact the water stream rises to the extremely-large water amount probe, two # circuit can recognize the double circuit simultaneous drainage function.

CZPT characteristics

1. Fast opening structure                                   
2. With neighborhood management and distant control function                                   
three. With dependable mechanical locking and electrical locking function
                                       
Security operate

With the multiple security capabilities as limited circuit, overload, leakage and open up-phase 

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