Feature:1. Application: Widely used for heavy duty golf carts, personnel transports, burden carriers, and other utility vehicles.2. OE Number: Programmable motor controller replace part number is 1268 5403. Please double check the OE part number of your item before ordering.3. Performance: Programmable DC motor controller offers smooth, silent, cost effective control of motor speed and for torque.4. Speed Adjustment: The speed sensor input allows excellent closed loop control for regulating vehicle speed. Unique braking parameters allow simple, intuitive deceleration tuning.5. Function: Help electric vehicles brake and store some of the braking energy in the power battery, improving vehicle performance.Specification:Item Type: Programmable DC Motor ControllerMaterial: ABS and stainless steelOE: 1268 5403Application: According to the command of gear, throttle, brake, etc., the electric energy stored in the power battery will be converted into the electric energy required by the drive motor to control the driving status of the electric vehicle such as starting operation, in and out speed, climbing strength, etc., or will help the electric vehicle brake and store part of the brake energy into the power battery.Specifications:PWM operating frequency: 16 kHzElectrical isolation from heat sink (min.): 500 VACKSI input voltage (min.): 16.8 VKSI input current (typical): 160 mA without programmer; 200 mA with programmerAmbient operating temperature range: -40C to 50CHeatsink overtemperature cutback: starts at 85C; cutoff at 95CHeatsink undertemperature cutback: 50% armature current at -25CMain Features:.CURTIS Model: 1268-5403Nominal battery voltage (volts): 48V (default setting) or 36VArmature 2 minute rated current (amps): 400Field 2-minute rated current (amps): 50Logic enable and logic supply input voltage (min.): 16.8 VLogic enable and logic supply input current (no contactor engagement): 160 mA without programmer; 200 mA with programmerLogic input voltage: 20.0 V High; 7.5 V LowLogic input current 10 mAThrottle Types: A variety of throttles are available for use with the 1268 controller, including 5 k 3-wire potentiometers and 0-5 V throttles.Features Include:Regenerative braking with a single battery charge to provide longer run times and reduce motor brush wear and motor heatingAdjustable braking rate for smooth pedal release braking2 user-selectable vehicle operating personalities, with maximum vehicle speed controlled and limited in each modeMotor parameters programmable to match the characteristics of the specific motor usedEnhanced speed control via feedback from for Hall effect speed sensorsAnti rollback feature provides better control when letting off the throttle on hillsAnti stall feature helps prevent motor commutator damageHigh Pedal Disable (HPD) and Static Return Off (SRO) interlocks prevent loss of vehicle control at start upDiagnostics are completed via the for CURTIS 1313-4331 handheld programmer or 1314 PC programming station and built-in status LEDs for quick and easy testing, diagnostics and parameter adjustments2 fault outputs provide diagnostics for remotely mounted displaysReverse signal driver provides a low signal at all times when the vehicle is in reverseDriver outputs are short circuit protected and provide built in coil spike protectionBrake/drive interlock meets ISO braking distance requirementsSplash proof plastic coverMeets or exceeds EEC fault detection requirementsPackage List:1 xProgrammable DC Motor ControllerNote:For buyers with no experience in controller applications, please consult your cart/motor dealer and read the 1268 controller manual carefully before purchasing.