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

AC-50 and AC-51 Systems


This kit features a Curtis Controller, capable of operating between 72-144 Volts depending on model. This kit is ideal for large motorcycles, small cars, and specialty vehicles. The primary difference between AC-50 and 51 is the rpm.

Kit includes:

  • Curtis AC Controller
  • HPEVS AC50 9" x 13.8"  NEMA B or C Face, 1.125" shaft.
  • Curtis Spyglass Model 840 Display  (dispays: Amps, Voltage, RPM, Controller/Motor Temp)
  • Tyco LEV200 Main Contactor
  • Wiring Harness and Wiring instructions
  • Throttle Options Here
  • Inertia Switch

Helpful links:

AC-50 Mechanical Drawing

AC Kits Quick Start

Wiring Diagram (513 software, see controller software type)

HPEVS Manual

** Always reference your software version and voltage when choosing the correct wiring diagram **

Included Components