NFJ434225 | Circuit Breaker | 3-Pole

NFJ434225 is a 3-pole industrial circuit breaker designed for durability in demanding electrical environments. Whether you’re performing maintenance, retrofitting an existing panel, or replacing a worn unit, this part-numbered breaker delivers precise specifications and dependable protection when exact compatibility matters.

3-Pole protection for 3-phase systems

Built to serve three conductors in a single protective device, this breaker ensures coordinated fault isolation across all phases in typical 3‑phase applications. It’s ideal for motor control centers, drives, and other equipment that rely on consistent trip performance across multiple lines.

Exact compatibility matters

• Part-number reference: Use NFJ434225 as the primary check to avoid mismatches with look-alike breakers.
• Fit and ratings: Before ordering, confirm that the ratings and mounting style align with your panel and the protected equipment.
• This model is intended for industrial environments and excels in replacement or retrofit projects where precise spec alignment is required.

Ideal use cases

• Maintenance of three-phase motor controls and industrial drives
• Retrofit projects where original design calls for a specific 3-pole breaker
• Replacement in fleets of equipment that rely on exact part-number compatibility for consistent protection

Practical installation and safety tips

• Double-check fit and ratings against the panel schedule and OEM documentation before ordering.
• Follow all applicable electrical codes and lockout/tagout procedures during installation.
• Consult the installation manual or panel manufacturer guidance for torque specifications, conductor sizing, and termination practices to ensure reliable performance.

Choosing NFJ434225 means prioritizing compatibility, reliability, and straightforward stocking for maintenance operations. Because the part number is the best reference for compatibility, you can source with confidence, knowing this 3-pole circuit breaker will align with your system’s original specifications and protective needs.