Ensure all high-power bolts and low-current pins are securely seated. Loose connections create resistance, which generates heat and melts plastic housings.
The standard color code for a Curtis 3501 (with microswitch) is: curtis 3501 manual
Before initiating any wiring procedures, disconnect the vehicle batteries and open the main circuit breaker or fuse to prevent accidental short circuits or arc flashes. Ensure all high-power bolts and low-current pins are
The Curtis 3501 is a highly reliable, heavy-duty electronic controller used primarily in electric vehicles, material handling equipment, and golf carts. It is designed to manage motor speed, torque, and power efficiency smoothly. material handling equipment
Always disconnect the main battery pack before touching the controller terminals.
Includes 4 digital inputs and 1 MOSFET output (rated at 1.0 Amp).