ตาม Spec ควรจะมี Switch หรือ ปุ่ม ส

According to the Spec should have a Switch or a button for the ON-OFF DC contactor for use in a Service Manual correction because of the time pressure off the cut the V DC contactor 43.2 to circuit breaker does not have power to pay Load, but they need a contactor on DC to feed the next load.

By Spec should be a button for ON-OFF Switch or the DC contactor for use in editing Manual Service because of the pressure to cut off the 43.2V DC contactor circuit breaker is off, no power, but they need to pay Load on DC. contactor to provide facilities to load.

According to Spec should have Switch or button for ON-OFF that DC contactor to use to edit the Manual Service because of time pressure. Cut off that 43.2V DC contactor will cut off the circuit without fire to pay Load but he wants to on DC contactor itself to treat load. Next.