The Honda 31430-ZB8-630 Circuit Breaker (17A) is a genuine OEM replacement designed for the EX4500 generator. As a direct Honda OEM component, this circuit breaker is manufactured to the exact specifications of the original part, ensuring a proper fit and consistent electrical protection. This part is the correct 17A-rated breaker for the EX4500, so verifying the rating against your unit before ordering is always a sound step.
Key Features
- Genuine Honda OEM — sourced directly from Honda, this circuit breaker matches the original part in trip rating, form, and function, with no guesswork on compatibility.
- 17A Trip Rating — rated at 17 amperes to match the EX4500's output circuit requirements; the correct amperage rating is essential for the breaker to protect the circuit as intended.
- Direct Replacement — built to slot into the EX4500 generator's panel in place of the original breaker, restoring the generator's overcurrent protection without modification.
- Fitment — confirmed for the Honda EX4500 generator; check your serial number against the fitment table to ensure this is the correct breaker revision for your unit.
A circuit breaker is the generator's built-in overcurrent protection device. When a connected load draws more current than the rated amperage — due to a short circuit, overload, or fault condition — the breaker trips and interrupts the circuit, protecting both the generator's wiring and the connected equipment. Unlike a fuse, a circuit breaker can be reset once the fault is cleared and the generator is ready to resume operation. A breaker that fails to trip when it should can allow damaging current levels to persist, while one that trips too readily under normal load will interrupt power unexpectedly; replacing a faulty breaker with the correct OEM-rated unit restores predictable, dependable protection.
Part Details
| Part Number | 31430-ZB8-630 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Circuit Breaker (17A) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Generator | EX4500 | 1115605-9999999 |
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.
