Multiquip M5247702502 Wire Harness MCB Control - OEM Replacement Part

This wire harness provides critical electrical connections for the MCB (Main Circuit Breaker) control system on Multiquip DCA300 Super Silent generator sets. The harness integrates with the generator's three-pole, 800-amp main circuit breaker that protects the U, V, and W output terminal lugs from overload conditions. It interfaces with the control panel assembly, operating panel, and auto start/stop controller to ensure proper breaker operation and load management.

The wire harness connects to the circuit breaker assembly (Item 8 in the major components diagram) and coordinates with the operating panel assembly (Item 11) and auto start/stop controller assembly (Item 9). This integration is essential for proper paralleling operation, voltage regulation, and emergency stop functionality. When output terminal connections are made, the manual specifies that all terminals must be secure and tight to prevent arcing that could cause fire, with terminal lug tie bolts torqued to 1088.6 lbf∙in (123.0 N∙m).

This harness is specifically designed for generators equipped with the KY series configuration. Proper wire harness function is critical for safe generator operation, particularly during load switching and paralleling panel operations.

Compatible Models:

• DCA300SSJU4F3PD

Genuine Multiquip OEM part, sold by an authorized dealer.