Multiquip D9925800184 Control Unit AC CA-41 500SA - OEM Replacement Part

The Control Unit AC CA-41 is the primary electrical control module that manages and regulates the AC generator output on Multiquip engine-driven welders. This critical component coordinates voltage regulation, circuit protection, and power distribution between the generator and welding circuits, ensuring stable electrical performance during operation. When this control unit fails, symptoms typically include erratic voltage output, loss of welding power, or complete generator failure.

This control unit integrates directly into the generator wiring harness and works in conjunction with the engine control systems to maintain proper AC voltage output under varying loads. The CA-41 designation indicates this is specifically engineered for 500-class welder/generator units, providing the precise control algorithms needed for combined welding and auxiliary power applications.

Compatible with the following Multiquip models:

• DAW500SA4

Genuine Multiquip OEM part, sold by an authorized dealer.