A shell body is arranged outside the frequency converter control circuit and is provided with a wiring terminal, a control switch, an indication light and a displaying screen.
所述的变频器控制电路外部设置有壳体，在壳体上设置有接线端子、控制开关、指示灯和显示屏。
The safety switch box is further provided with a contact terminal standardization mark for control and fixation, and an external winding displacement electrical-connection unit can be reserved.
该安全开关箱进一步设有控制、固定用的接点端子规格化标示，且可预留外接排线电连结单元。
The safety switch box is further provided with a contact terminal standardization mark for control and fixation, and an external winding displacement electrical-connection unit can be reserved.
该安全开关箱进一步设有控制、固定用的接点端子规格化标示，且可预留外接排线电连结单元。
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