The Multiquip 0601808821 Circuit Breaker 3P 400A is a genuine OEM component designed for DCA150SSJU, DCA150SSVU, and DCA150USJ series ultra-silent diesel generators. This three-pole, 400-amp breaker is a direct OEM replacement sourced to the exact specification used in Multiquip's DCA150 generator lineup, including Tier 4 and Canadian-market variants such as the DCA150SSJU4F, DCA150SSJU4F3, DCA150SSVU-FEMA, and DCA150USJ3CAN. Using the correct OEM part ensures the generator's overcurrent protection system performs as originally engineered, maintaining output integrity across all three phases.
Key Features
- Three-Phase Overcurrent Protection — Rated at 400 amps across all three poles, this breaker is sized to match the full output capacity of the DCA150 generator platform.
- Genuine OEM Component — Sourced directly from Multiquip, this part meets the exact electrical ratings and physical interface specifications of the original installed breaker.
- Broad DCA150 Series Coverage — Compatible with DCA150SSJU3, DCA150SSJU4F, DCA150SSJU4F2, DCA150SSJU4F3, DCA150SSVU, DCA150SSVU-FEMA, DCA150USJ2, and DCA150USJ3CAN variants.
- Electrical Safety Compliance — A correctly rated main breaker is critical to protecting downstream electrical loads and the generator's alternator windings from overcurrent faults — a safety-critical replacement on high-capacity power equipment.
- Drop-In Installation — Designed to mount into the existing breaker position within the DCA150 generator panel without modification to wiring or mounting hardware.
A main circuit breaker on a high-capacity generator like the DCA150 series serves as the primary protective device between the alternator output and connected loads. When current exceeds the breaker's rated threshold — in this case 400 amps across three poles — the breaker trips to prevent damage to the generator's windings, internal wiring, and connected equipment. A failed or weakened breaker may trip nuisance faults under normal load, fail to trip under a genuine overload condition, or prevent the generator from delivering power altogether. Replacing a degraded breaker with the correct OEM-rated component restores proper overcurrent protection and keeps the generator operating safely at its rated output capacity.
Part Details
| Part Number | 0601808821 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Circuit Breaker 3P 400A |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA150SSJU3 |
| Diesel Powered Generators | DCA150SSJU4F |
| Diesel Powered Generators | DCA150SSJU4F3 |
| Diesel Powered Generators | DCA150SSVU |
| Diesel Powered Generators | DCA150USJ3CAN |
| Diesel Powered Generators | DCA150SSJU4F2 |
| Diesel Powered Generators | DCA150USJ2 |
| Diesel Powered Generators | DCA150SSVU-FEMA |
| Diesel Powered Generators | DCA150USJ3CAN (FR) |
| Diesel Powered Generators | DCA150SSJU4F3 (60HZ) |
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.
