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ACF700-4 AC Motor Control

ACF700-4 AC Motor Control

ACF Series

The ACF series is a microprocessor based variable frequency drive. These drives look and act like DC drives, meaning quick and easy setup without any programming. These drives are equipped with user adjustable trim pots to set Max. Speed, Min. Speed, Slip Comp, Boost, TQ Limit, Accel and Decel / Injection Braking parameters. ACF700 drives allow a 115 or 230 VAC input with a 115 or 230 VAC out, independent of the input potential. This is because the ACF700 is equipped with a unique voltage doubling capability that allows you to run a 230 VAC motor when only a 115 VAC single phase power is available. While the input is single phase, the output can be single or three phase. 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, rated at 4 amps or below.

Potentiometer Kit 202-0101 is included with a purchase of the ACF700-4

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Enclosure Maximum
Power Range Braking Reversing Isolation
ACF700-4 Chassis 4.0 115 / 230 - 1Φ 230 - 3Φ 1/8 - 1/2 .09 - .37 Yes
(DC Injection)
Yes No
1/4 - 1 .19 - .75


  • 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: Can be used 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)

Technical Data

  • 2 or 12 kHz Carrier Frequency

Trim Pots

  • Maximum Speed
  • Minimum Speed
  • Acceleration
  • Deceleration / DC Injection Braking
  • Torque
  • Boost
  • Slip Compensation