PROCESSWEST Magazine Online

Explosion-proof VFD, 480V AC 3PH input/3PH output

Don Horne   

Larson Electronics has announced the release of an explosion proof variable frequency drive with a three-phase 480V AC input/output voltage comparability.

This unit features a 3-wire configuration and is designed for steady speed error and fast torque rise. This unit offers protection from resonance vibrations and an output current of 14 amps.

The EXP-VFD-3P-480-7.5HP-14A-DCM explosion proof variable frequency drive is rated for use in Class I, Divisions 1 and 2; and Class II, Divisions 1 and 2 hazardous locations. This 5.5 kw unit offers accurate AC motor control in industrial facilities and features an operating frequency range of 0 to 400Hz with 7.5 horsepower. This unit is designed for indoor and outdoor use in temperatures ranging from -10˚C to 40˚C.

Larson Electronics’ explosion proof variable frequency drive has a V/F control mode and sensor-less vector control mode with an interior PID controlled automatic energy save running to optimize the V/F curve. The sensor-less vector control mode also features an automatic voltage regulator and automatic current limiting. Suitable applications include speed control of AC motors, industrial machines, hazardous locations and more.

Larson Electronics LLC


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