PLC control system will be completed forming manual control, automatic control precision forming and reset functions.
PLC控制系统将完成手动控制成形，自动控制精确成形，复位等功能。
Thermal overload relays offer phase failure protection and are convertible from manual to automatic reset.
继电器具有相位故障保护和从手动转换为自动重置的功能。
A manual reset and automatic reset two modes to choose from.
有人工复位与自动复位俩种模式可选择。
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