Multiquip Y0601807528 Circuit Breaker 800A - OEM Replacement Part

This 800-ampere main circuit breaker connects or disconnects the generator output to or from the output terminals while protecting the unit from short circuits and overcurrent conditions. Located inside the control box, this critical component serves as the primary protection device for the entire electrical system on DCA300 series super silent generators. The breaker manages the connection between the generator output and the eight output terminal lugs that provide three-phase power, ensuring safe operation across the full 300kW output range.

The circuit breaker works in conjunction with the electric governor system that regulates frequency variation to ±0.25%, protecting both the generator and connected loads from electrical faults. This component is essential for maintaining the integrity of the output terminal panel assembly, which includes multiple voltage configurations (240/139V and 208/120V applications) and various receptacle types. When a circuit breaker fails, symptoms include inability to connect loads, nuisance tripping under normal operating conditions, or complete loss of output power despite normal engine operation.

Compatible Models:

• DCA300SSJU4F
• DCA300SSJU4F2
• DCA300SSJU4F3

Genuine Multiquip OEM part, sold by an authorized dealer.