The Multiquip QOU115 DCA-40SSI Circuit Breaker is a genuine OEM component designed for DCA40SSI ultra-silent diesel-powered generators. Sourced directly from Multiquip, this part matches the original specification installed at the factory, ensuring correct protection characteristics for the generator's electrical output system. Verified for the DCA40SSI series, the part installs as a direct replacement with no modifications to existing wiring or breaker panel mounting positions.
Key Features
- Genuine OEM Electrical Protection Spec — Matches the precise trip rating and pole configuration of the original breaker, ensuring the generator's output circuits are protected within their designed current thresholds.
- Direct Drop-In Replacement — Engineered to seat correctly into the DCA40SSI breaker panel, aligning with existing bus connections and mounting tabs for a clean installation.
- Confirmed DCA40SSI Fitment — Verified for Multiquip DCA40SSI ultra-silent diesel generator units, so you can order with confidence.
- Protects Generator Output Circuits — A functioning circuit breaker shields sensitive loads and internal wiring from overcurrent events; a faulty or undersized breaker risks equipment damage and unexpected shutdowns under load.
- Electrical Safety Compliance — Correct breaker rating is critical in generator applications where overloaded circuits present a fire and equipment hazard — using the specified OEM part maintains the integrity of the generator's protection design.
A circuit breaker in a generator controls and protects the flow of electrical current from the alternator to the output terminals. When current exceeds a safe level — due to an overload or a downstream fault — the breaker trips, cutting the circuit before wiring or connected equipment can be damaged. A worn, tripped-and-weakened, or incorrectly rated breaker may fail to trip when needed or may nuisance-trip under normal loads, both of which compromise the reliability and safety of the generator's power supply.
For fitment questions or help confirming this part is correct for your DCA40SSI unit, contact the DHS Equipment team for support.
Part Details
| Part Number | QOU115 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | DCA-40SSI Circuit Breaker |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA40SSI |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.