ZT-5  Brief   Introduction

Carrying out operating test and 3-phase synchro test of various feeding switches,electromagnetic starters,vacuum breakers,vacuum contactors,etc:resistance value test on earth leakage lockout,operating value test on leakage and operating time test on leakage of various feeding  switches and electromagnetic starter ,and protection test on over-flow,short circuit,loss of phase and unbalanced three phase of wlectromagnetic starters