Warning Cookies are used on this site to provide the best user experience. If you continue, we assume that you agree to receive cookies from this site. OK

Curtis AC F4-A Controller


The Curtis Model AC F4-A Motor Controller provides accurate speed and torque control of 3-phase AC
induction and PMAC motors. 

This F4 controller can be used with 48v nominal systems, with the following overall limits. See the datasheet below for more details.

  • Model Number: AC F4-A 48-450-001
  • Voltage Limits: 18 - 63 Volts 
  • Maximum Peak Current: 450 Amps (2 minutes)
  • Maximum Current: 175 Amps (60 minutes)
  • Ambient Temperature: -40 - +50 °C
  • Power Cutback Temperature: Linear between 85 and 95 °C
  • Full Cutoff Temperature: Above 95 and below 40 °C
  • Environmental Rating: IP65 and IP67
  • Weight: 2 kg

AC F4-A Datasheet

Curtis F4-A Wiring Diagram

Included Components