Using a higher grade power factor improving reactor

Using a reactor under a load lighter than the rated capacity slightly spoils its effect in improving the power factor.Therefore, you should use a reactor wit... More Details >>

Brake unit

1. No parameter setting is required.2. Do not remove the jumpers. More Details >>

Power supply phase sequence

No problem.The inverter converts AC power into DC power and then into AC (PWM) power output again. Therefore, it is not influenced by the power supply phase ... More Details >>

Speed control range

1:1500 when using a vector control dedicated motor. Continuous 100% torque operation and short-time 150% torque operation are possible even at 1 rpm. Continu... More Details >>

Difference from general-purpose inverter

While the inverter uses open-loop (V/F) control, it uses semi-closed loop vector control (constant current control). This enables output of stable torque esp... More Details >>

Small capacity vector inverter dedicated motor

We offer 5.5 kW or higher SF-VR dedicated motors and do not offer small capacity (3.7 kW or lower) motors. If you need small capacity (1.5 kW to 3.7 kW), use... More Details >>

Key sheet

You cannot remove the key sheet from products with the key sheet attached as a standard other than the PU operation type. When using the parameter unit FR-PU... More Details >>

Can I use digital operation panel FR-DU01?

You cannot use it with the standard and multi-function products. It can be connected to the dedicated PU operation type only. (Note that the FR-DU01 is an op... More Details >>

Inverter selection when multiple inverters are to be connected

Be sure to use a high power factor converter with the capacity higher than the total capacity of the inverters connected. (Note: One or more of the inverters... More Details >>

Harmonic suppression guidelines

A 200 V class inverter of 3.7 kW or smaller is the target of the harmonic suppression guidelines for household appliances and general-purpose products, and i... More Details >>