The Honda 31430-ZB3-E30 Circuit Breaker (20A) is a genuine OEM component designed for Honda EB2500, EG2500, EM1800, EM2200, and EM2500 generators. As a direct Honda OEM part, it is manufactured to the exact specifications of the original, ensuring a drop-in replacement with no guesswork. Confirm your generator's serial number against the fitment table before ordering, as Honda periodically supersedes parts at production breaks. This Circuit Breaker (20A) is the correct service replacement to restore proper overload protection to your generator.
Key Features
- Genuine Honda OEM Protection — manufactured to Honda's original specification for the Circuit Breaker (20A), ensuring the trip rating and contact design match exactly what came from the factory
- Overload Trip Accuracy — a breaker that has weakened or fails to reset properly can leave output circuits unprotected or take a generator offline unnecessarily; this OEM replacement restores the correct 20A trip threshold
- Broad Generator Coverage — fits the EB2500, EG2500, EM1800, EM2200, and EM2500 conventional generators; verify your serial number against the fitment table to confirm the correct application
- Direct OEM Replacement — part number 31430-ZB3-E30 installs in place of the original without modification, restoring the generator's output panel to full working order
A circuit breaker is the generator's built-in overload safeguard. When the connected load draws more current than the rated limit — in this case 20 amperes — the breaker trips and cuts power to the output circuit, protecting both the generator's alternator and the equipment plugged into it. Unlike a fuse, a breaker can be reset once the overload condition is cleared, restoring power without replacing a consumable. When a breaker weakens over time, it may trip at loads well below its rated amperage, or it may fail to trip at all under a true overload — either condition compromises the usefulness and safety of the generator. Replacing a faulty breaker with a genuine Honda part number 31430-ZB3-E30 restores the circuit's designed protection threshold and keeps the output panel operating as intended.
Part Details
| Part Number | 31430-ZB3-E30 |
|---|---|
| Brand | Honda |
| Part Type | Genuine OEM |
| Description | Circuit Breaker (20A) |
Compatibility & Fitment
| Name | Models | Serial Range |
|---|---|---|
| Generator | EG2500 | 1023757-9999999 |
| Generator | EB2500 | 1026902-9999999 |
| Generator | EM1800, EM2200, EM2500 | All |
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.
