Sevcon G4845

In stock

These Gen4 AC controllers are intended for on-road and off-road electric vehicles and feature the smallest size in the industry for their power capacity. Thanks to the high efficiency it is possible to integrate these controllers into very tight spaces without sacrificing performance. The design has been optimized for the lowest possible installed cost while maintaining superior reliability in the most demanding applications.


  • Advance flux vector control
  • Autocheck system diagnostic
  • Integrated Logic Circuit
  • Hardware & software failsafe watchdog operation
  • Supports both PMAC motor and AC induction motor control
  • Integrated fuse holder
  • IP66 Protection

These will not work off the shelf without programming. Comes pre-programmed when purchased with a Sailboat Kit. Additional programming starts at a $100 minimum. Also see our Programmers page.

Ships without a multipin connector or throttle. Custom harnesses are available starting at $150 depending on required interfaces and harness length.

 Specifications  Units Gen 4 G4845
Sevcon Size   Size 4
Nominal Voltage Volts 36 - 48
Operating Voltage (DC input Voltage) Volts 19.3 - 69.6
Continuous Current Amps 180
Peak Current Amps 450
Boost (10 Sec) Amps 540
Environmental Rating   IP66
Weight lbs 5.9
Dimensions L x W x H (inches) 8.9 x 6.7 x 3
Dimensions L x W x H (mm) 228 x 170 x 78