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ACF704-0.65-00MD AC Motor Control

ACF Series

The ACF series is a microprocessor based variable frequency drive. The user adjustable trim pots allow the user to setup the drive similar to a DC motor control, meaning quick and easy installation without any of the programming typically associated with VFDs. The ACF704-0.65-00MD model includes an isolation card for remote control with any 0-5V or 0-10V anlog signal, as well either a PWM signal or by Modbus RTU. ACF series drives control 115 or 230 VAC motors, single or three phase, with either a 115 or 230 VAC single phase input. This is because the ACF drive is equipped with a voltage doubling capability that allows you to run a 230 VAC motor when only a 115 VAC single phase power is available. The drive’s internal carrier frequency can easily be changed from 16kHz to 1.6kHz to minimize switching losses or reduce electrical interference. Stopping methods include coast to stop or DC injection braking. Incorporated into the design is a microprocessor which provides flexibility of creating custom programs that can include specific user setting for OEM applications. These full featured and compact AC drives are the perfect choice to run any 3 phase and some single phase motors.

Potentiometer Kit 202-0159 is included with a purchase of the ACF704-0.65-00MD

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Enclosure Maximum
Voltage (VAC)
Freq (Hz)
Output Power Range Braking Reversing Isolation
Phase HP kW
ACF704-0.65-00MD Chassis 0.65 115 / 230
50 / 60
115 50 / 60 1Φ / 3Φ 1/100 - 1/16 .01 - .05 Yes
(DC Injection)
Yes 0-5, 0-10 VDC
24 VDC, 1 kHz PWM
230 1/50 - 1/8 .02 - .09


  • MM Footprint and Compact Size: Traditional MM mounting pattern with smaller footprint uses minimal space
  • Microprocessor Based: Allows custom programming for OEMs
  • Doubler / Stop-Down Mode: Doubles a 115 VAC input to a 230 VAC output. Can also step-down a 230 VAC input to a 115 VAC output at 50/60 Hz
  • Adjustable Base Frequency: Can be set for a base output frequency of 50 or 60 Hz at rated output voltage, regardless of input frequency
  • Variety of Motors: Permanent Split Capacitor (PSC), Shaded Pole, Synchronous, and 3Ø Induction
  • DC Injection Braking: Fixed 30 VDC for 2 seconds injection for quicker braking
  • Thermally Protects: Drive recognizes when overheated as a result of frequent overload. It first flashes a warning code and will trip if condition persists
  • Diagnostic LEDs: Power, Status (Undervoltage, Overvoltage, Short Circuit / Current Trip, Overheat Warning, Overheat Trip)
  • Isolation: Isolation adder board allows for control via 0-5 VDC, 0-10 VDC, or a 24V 1 kHz PWM signal
  • Modus Communication: Modbus RTU over RS485.

Technical Data

  • 2 or 12 kHz Carrier Frequency

Trim Pots

  • Maximum Speed
  • Minimum Speed
  • Acceleration / Deceleration
  • Torque
  • Boost
  • Slip Compensation