The controller case includes stepping motor, self-coupling voltage regulator, alternating-current contactor, relay and micro-transformer.
控制柜主要包括步进电机、自耦调压器、交流接触器、继电器以及微型互感器等。
2
The utility model belongs to a welding holder type controller used for controlling the on-off of a welder, mainly comprising a transformer, a contactor, a relay and a switch indicator circuit.