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VFD04-115AC AC Motor Control

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 VFD04-115AC

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Enclosure Maximum
Input Voltage
50/60 Hz - 1Φ
Output Voltage
60 Hz - 1Φ/3Φ
Power Range Reversing Isolation
Chassis 4 115 0 - 115
1/8 - 1/2 .10 - .40 Yes No
  • Compact size: (4.30” X 3.70”) Easy to mount in small spaces with industry standard mounting hold pattern.
  • “D” models double output: Enables the use of a 230VAC motor with a 115VAC power supply.
  • Use with a variety of motors: Can be used with 3-phase induction and single-phase permanent split capacitor, shaded pole and synchronous motors. Quickly and easily change trimmer pot ranges for 1/4 to 1 hp motors.
  • Easy to calibrate & set-up: On-board trimmer pot adjustments for boost, maximum speed, acceleration, deceleration and torque limit.
  • Torque ‘foldback’ feature: Allows up to 200% torque for short periods to overcome intermittent peak loads then reduces the torque to a (preset) safe level.
  • 16kHz switching frequency with option to change between 4 and 16kHz in the field: A high switching frequency results in quiet motor operation. Adjustments to a lower frequency if desired can be done in the field
  • Optional Isolation: Order unit with a –PCM suffix for isolation of inputs.