Earth leakage detection of the inverter

To protect personnel from electric shock, it is necessary to provide the circuit with the earth leakage circuit breaker.The inverter and motor circuits also ... More Details >>

Imbalanced input side power supply

1. Power supply voltage phase imbalance toleranceMitsubishi inverter's input power supply voltage phase imbalance tolerance is ±3%.If the phase imbalance exc... More Details >>

Peripheral device selection

1. Select the circuit breaker and MC in accordance with the inverter type.2. Select the power factor improving reactor in accordance with the motor output. More Details >>

Coasting to stop method

Use Pr.17 (Input terminal assignment) to assign MRS to the terminals DI1, DI2, and DI3. More Details >>

Installation of new serial communication unit FR-CU03

Remove the parameter unit FR-PU03 and install there. (The installation dimensions of the FR-CU03 are the same as the FR-PU.) You can read and write parameter... More Details >>

Difference between multi-function and standard products

The following are added to the multi-function product in addition to the standard product: - Input terminal function selection (X1 to X3)- Warning NO contact... More Details >>

Influence on leakage current

Since the converter in the high power factor converter section performs PWM switching, the leakage current increases to the same level as the general-purpose... More Details >>

Sensitivity current of earth leakage circuit breaker

The rated sensitivity current of the earth leakage circuit breaker can be calculated using the following equation. If the result is 30 mA or less, the NV-FA ... More Details >>

Installation dimensions

Refer to the outline dimension. More Details >>

Changing maximum frequency

The FR-B type 30K or higher products have passed the explosion-proof test certified by the Ministry of Health, Labour and Welfare with the maximum frequency ... More Details >>