OE Number: The part numbers of controller for reference are 1205M 5601, 1205M 5603, please confirm whether it is consistent with the OE you need. Fitment: The 1205M controller is replacement for Curtis, and fit for variour electrical vehicle including forklifts, transporters, if using other vehicles need to be programmed by yourself. Programmable: The motor controller can be programmed using the 1313 4331 handheld programmer or the 1314 PC programming station, the use of the programmer also provides diagnostic and test functions. Smooth and Quiet Operation: The motor controller uses high frequency switching and ultra low voltage drop to enable efficient and quiet motor speed and torque control. Stable Working: Thermal protection and compensation circuits provide a constant current limit over the operating range, preventing sudden power outages and improving overall reliability. Undervoltage reduction prevents the battery voltage from being too low. Easy Installation: The controller comes with push in connectors for easy installation and wiring, as well as a plated solid copper bus for strong power connections.