AC-50 and AC-51 Systems


*The HPEVS AC motor kits are no longer for sale. HPEVS is no longer producing kits for the conversion space. This page is for reference only*

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.

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 **

  • 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
  • Inertia Switch