LogiSystems, 120-156 volt, 1000 amp controller with 0-5K logrythmic potentiometer. This pot provides much better throttle control than with a 0-5K Curtis style linear pot. These all US designed and manufactured controllers have many standard features including current limiting which also includes adjustable current limit and adjustable throttle ramping. They also have a low battery disable feature as well as high pedal disable, i.e. (the controller can not be turned on and go straight to full power with your foot on the throttle). Another standard feature is a built in heat sink with dual fans.
Specifications:
...Requires 0 to 5 k/ohm throttle input
...The key switch input requires full battery voltage
...Operating Temperature: -20degrees C to 100 degrees C
...Current over Time Ratings: 1000 amps for two minutes, 800 amps for five minutes, 500 amps for one hour
Dimensions: 12.25" long by 6.75" wide by 5" tall with fans.