... Phase: 3-phase, 4-wire7) Connection: Y or other type connection8) Rated speed: 1,500rpm / 1,800rpm9) Excitation: ... in static conditions13) Protection class: IP 21 or IP23 Controller system1.Standard control panel, including voltmeter, fequency meter, ampere ... control cabinet, including circuit breaker, LCD or LED auto controller, indicating lamp, transfer switch,etc.. Automatic transfer switch (ATS ...