Eaton FAZ-B25-1N - 25 A, 480 V, 1-Pole Circuit Breaker | AmpState

Engineered for reliable protection in electrical panels, the Eaton FAZ-B25-1N is a 25 A, 480 V, 1-pole molded case circuit breaker designed to guard branch circuits from overcurrent and short circuits. Built for straightforward replacement in compatible panelboards and loadcenters, this unit helps keep critical equipment running safely.

• Compact molded-case design minimizes space usage in crowded panels, enabling you to fit more circuits without sacrificing protection.
• Thermal-magnetic trip unit delivers stable, repeatable protection across a range of loads, responding quickly to short circuits while smoothly handling overloads.
• OEM-compatible ensures seamless substitution in matching Eaton OEM loadcenters and panelboards, preserving electrical characteristics and labeling.
• Versatile across applications suitable for residential, commercial, and light industrial environments where 480 V single-pole protection is part of the distribution strategy.

How it works in real setups

In practice, the FAZ-B25-1N sits on a single phase within a larger 3-phase distribution, protecting a dedicated branch circuit from nuisance trips while delivering fast clearance on true faults. The result is safer equipment, reduced downtime, and simplified maintenance in a mixed-use facility or a dedicated mechanical room.

Practical usage and installation notes

• Space-conscious protection fits where space is at a premium in panelboards and loadcenters.
• Follow wiring and torque guidelines to ensure reliable connections and long-term performance.
• Consistent protection with Eaton OEM panels means easier stocking, fewer mismatches, and straightforward future replacements.

Technical snapshot

• Manufacturer: Eaton
• Part number: FAZ-B25-1N
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 25 A
• Voltage rating: 480 V
• Poles: 1
• Application: Branch circuit overcurrent and short-circuit protection

Available from AmpState, the Eaton FAZ-B25-1N offers a dependable, OEM-compatible solution for protecting critical circuits in a wide range of installations. If you’re upgrading a panel or standardizing protection across multiple enclosures, this 1-pole molded case breaker is a precise, reliable choice that keeps service interruptions to a minimum.