Multiquip 0601870440 Circuit Breaker P 20A

The Multiquip 0601870440 Circuit Breaker P 20A is a genuine OEM component designed for Multiquip DCA Super-Silent, Ultra-Silent, and diesel-powered generator series. This 20-amp circuit breaker is a direct OEM replacement sourced from Multiquip, ensuring correct rating and terminal compatibility for the electrical protection circuit on your generator. Compatible across a broad range of DCA and NGA generator models — including DCA25, DCA45, DCA70, DCA125, and DCA150 series units — this part covers both 50Hz and 60Hz configurations as well as Tier 4 Final variants.

Key Features

• Correct 20-Amp Trip Rating — matched to the electrical load protection specifications of DCA Super-Silent and Ultra-Silent generator panels, preventing nuisance trips and under-protected circuits alike.
• Genuine OEM Component — sourced directly from Multiquip, this circuit breaker carries the exact terminal configuration and mechanical dimensions required for a direct swap in the generator's electrical panel.
• Broad DCA Series Coverage — fits DCA25, DCA36, DCA40, DCA45, DCA56, DCA70, DCA85, DCA125, and DCA150 series generators, including Super-Silent (SS), Ultra-Silent (US), and single-phase SPX variants.
• Electrical Panel Protection — a properly functioning circuit breaker trips on overload before damage reaches downstream generator components; a worn or failed breaker leaves wiring and control circuits exposed to fault current.
• 50Hz and 60Hz Compatible — covers both frequency variants and Tier 4 Final (U4F) models, making this a versatile stock item for fleets running mixed generator configurations.

A circuit breaker is the primary overcurrent protection device in a generator's electrical panel. Its job is to monitor current flowing through a circuit and automatically interrupt that flow when it exceeds a safe threshold — in this case, 20 amps — protecting wiring, control boards, and connected loads from heat damage or electrical fire. When a circuit breaker becomes worn, fails to reset, or trips intermittently without a true overload condition, it signals that the component has reached the end of its service life and needs replacing. Installing the correct OEM-rated breaker restores dependable overcurrent protection and ensures the generator's panel operates within its designed safety parameters.

Part Details

Compatibility & Fitment

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.