对较小的单相负荷可采用由微型接触器构成的双电源单相切换开关。
For comparatively smaller single-phase load, the duplicate supply single-phase transfer switch made of miniature contactors can be selected.
固体电路控制操作一个微型接触器，将提供高达120或240伏，20安培电力。
The solid state control operates a miniature contactor that will power up to 20 amps at 120 or 240 volts.
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。
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。
The controller case includes stepping motor, self-coupling voltage regulator, alternating-current contactor, relay and micro-transformer.
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