、适用9一范围   CJX1系列交流接触器适用于交流50Hz(或60Hz），额定电压至660V，在AC-3使用类别下工作电压为380V时额定工作电压为380V时额定工作电流170A的电路中，供远距离和分断电路及频繁起动和控制交流电动机，并可与适汉的热继电器组成电磁起动器，以保护可能发生操作过负荷电路。 The contactor is suitable for using in the circuits up to the rated voltage 660V AC 50Hz or 60Hz,rated current 630A,for making and breaking, and for frequent starting and controlling the motor.After combined with the mechanical interlocking device, it becomes 3TD series convertible contactor for controlling, starting, breaking and reversing of the motor. The products comply with IEC947&VDE0660.