1.INTRODUCTION AND APPLICATIONS JRS2 (3UA) thermal relay is suitable for A. C. 50HZ, voltage up to 600-1000V and current up to 630A, general AC motor of long or discontinuous long operation, used as overload protection and has the functions of breaking phase protection, temperature compel, and trip indication. It can automatically and passively get back. It can be fixed with contactor together, also be independtly fixed
2.MOTION CHARACTERISITIC: THREE-PHASE BALANCE MOTION TIME [img]image/other/23.gif[/img]
3.PHASE-LOSING MOTION CHARACTERISTIC [img]image/other/24.gif[/img]
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