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Website Help Center
What precautions are necessary when the Motor Protective Relay "K2CM Series" is used in an inverter?
As shown in the following figure, insert the K2CM on the secondary side of the inverter and turn OFF the reverse-phase switch before using the K2CM.
Always insert the K2CM on the secondary side (load side) of the inverter.
* Errors may occur in the operating values depending on the inverter specifications and settings. Set the values after performing tests and confirming operation.
*Use conditions differ according to wiring distance on the load side, inverter carrier frequency, basic frequency and load status. Since errors may occur in the operating values on the overload element, it is recommended to conduct an operating test before using.