The Multiquip EE40303 is a genuine OEM Circuit Breaker 21A designed for the EX5500K2 Honda-powered generator. As a direct OEM replacement, this circuit breaker is built to the exact electrical specifications of the original component, ensuring proper overcurrent protection for your generator's output circuits. Sourced directly from Multiquip, the part is the correct, authorized part for EX5500K2 applications and delivers the fit and function your machine requires.
Key Features
- Correct 21A Trip Rating — Matched to the overcurrent protection requirements of the EX5500K2 generator's output circuit, preventing nuisance trips and protecting connected loads.
- Genuine OEM Electrical Compliance — Manufactured to Multiquip's original electrical specifications, including contact resistance and interrupting capacity, so the breaker performs exactly as the generator's wiring system expects.
- Direct Drop-In Replacement — Engineered to mount and connect in the same position as the original breaker, using the existing panel hardware and wiring on the EX5500K2.
- Confirmed EX5500K2 Fitment — Verified for the Multiquip EX5500K2 Honda-powered generator; check your model code before ordering to ensure correct application.
- Critical Overload Protection — A properly functioning circuit breaker safeguards both the generator and connected equipment from damaging current surges; a failed or undersized breaker leaves the entire output circuit unprotected.
- Electrical Safety Component — As a protective device in the generator's power output system, using the correct OEM-rated breaker is essential to maintaining safe operation for operators and connected equipment.
A circuit breaker is the primary overcurrent protection device in a generator's electrical panel. It monitors current flowing through the output circuit and automatically trips — breaking the circuit — when current exceeds its rated threshold, protecting wiring, receptacles, and connected tools or equipment from heat damage and potential fire. On the EX5500K2, a worn, faulty, or incorrectly rated circuit breaker can cause either nuisance shutdowns under normal load or, more critically, fail to trip during a genuine overload event, leaving downstream equipment and operators exposed to risk.
For guaranteed fitment and part number accuracy, verify your generator's model code matches EX5500K2 before ordering. If you need help confirming compatibility, contact the DHS Equipment team.
Part Details
| Part Number | EE40303 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Circuit Breaker 21A |
Compatibility & Fitment
| Name | Model |
|---|---|
| EX5500K2 | EX5500K2 |
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.
