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VFD04-230AC AC Motor Control

VFD Series

The Volts/Hertz VFD Series has several models in the 1/4 to 1 hp range that accepts 115VAC and 230VAC power. The cost conscious and compact chassis design of the VFD series maintains the industry standard for mounting hole location and the coded LEDs make it easy to visually determine the drive status.

The unique torque ''foldback'' feature protects your motor and equipment. The VFD Series will allow 200% torque for a period of time (to overcome intermittent peak loads), then it acts to reduce the output current (or torque) to a preset, safe value which has been set by the TQ Limit trimmer pot. This results in eliminating potential equipment damage by a continuous 200% torque input. 

The VFD Series includes additional features such as an adjustable carrier frequency of 4-16kHz,and output frequency range of 0-120Hz,and an adjustable torque boost for start up. Enable and direction terminals are included for easy start/stop and direction control.

With its compact size,standard features,and application flexibility,the VFD Series is an excellent choice for most 1hp and under AC applications.

Potentiometer Kit 202-0101 is included with a purchase of the VFD04-230AC

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Enclosure Maximum
Power Range Braking Reversing Isolation
Chassis 4  230 - 1Ø 230 - 1Ø & 3Ø 1/4 - 1 .19 - .75 No Yes No

Variety of Motors: Permanent Split Capacitor (PSC), Shaded Pole, Synchronous, and 3Ø Induction

Torque Foldback: Allows up to 200% torque for short periods to overcome intermittent peak loads, then reduces the torque to a (preset) safe level

Adjustable Switching Frequency: Default 16kHz frequency can be changed to 4k, 8k, 10k, or 12k Hz using kit 202-0108. Higher frequencies result in audibly quieter motor operation, but lower frequencies produce less electrical noise and may prevent GFI tripping.

Diagnostic LEDs: Power, Torque Limit, Fault (Undervoltage, Overvoltage, 250% Current Limit Trip)

User Adjustable Calibration Trim Pots: Maximum Speed, Torque Limit, Boost, Acceleration and Deceleration