378663201 – CURTIS INSTRUMENTS

The CURTIS 378663201 power module, designated as 1740-3201, is a 90A rated electronic assembly designed for controlling DC actuators in electric vehicle or industrial applications. This module likely incorporates MOSFET or IGBT based half-bridge or full-bridge inverter topologies to provide variable speed and directional control of DC brush or brushless DC motors utilized as actuators. The 90A rating specifies the maximum continuous current the module can deliver to the actuator load under specified operating conditions, including ambient temperature and heat sinking. Internal circuitry may include over-current protection, under-voltage lockout, and thermal management features to ensure reliable operation and prevent damage to the module and connected actuator. Input control signals are expected to be low-voltage logic levels compatible with microcontrollers or other control systems, enabling precise and programmable actuator control.