Eaton FAZ-B63-1N - 63 A, 480 V, 1-Pole Circuit Breaker | AmpState

The Eaton FAZ-B63-1N is a compact, reliable 63A, 480V, 1-pole molded case circuit breaker designed to protect branch circuits in panelboards and load centers. Built to fit seamlessly with matching OEM Eaton panel products, this breaker delivers dependable overcurrent and short-circuit protection with a focus on space efficiency and long-term performance. Available through AmpState, it’s a smart choice for upgrading or maintaining resilient electrical distributions in today’s homes, businesses, and light industrial settings.

Why the FAZ-B63-1N stands out

• Space-conscious design: A compact molded case profile helps you maximize panel space in tight installations without compromising protection.
• Thermal-magnetic trip unit: Combines a responsive thermal element for overload protection with a fast magnetic trip for high-current faults, delivering stable, repeatable protection under varying loads.
• OEM-compatible performance: Engineered to pair with matching Eaton loadcenters and panelboards, ensuring a clean fit, consistent trip characteristics, and straightforward maintenance.
• Versatile application reach: Suitable for residential, commercial, and light industrial circuits that require reliable 63A protection at up to 480V.
• Proven reliability: Eaton’s engineering focus on robust insulation, durability, and predictable trip curves translates into fewer nuisance trips and more consistent operation.

Technical snapshot

• Manufacturer: Eaton
• Part number: FAZ-B63-1N
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 63 A
• Voltage rating: 480 V
• Number of poles: 1
• Application: Branch circuit overcurrent and short-circuit protection

Perfect use cases

• Upgrading aging panelboards in offices, retail spaces, or light manufacturing where 480V distribution is common and space is at a premium.
• Replacing a failing or outdated single-pole breaker on a 480V feeder to a dedicated load, ensuring continued protection and code-compliant operation.
• Integrating with Eaton OEM load centers for a guaranteed fit, predictable performance, and simplified stocking with AmpState.

How this breaker protects your system

The FAZ-B63-1N provides dependable branch-circuit protection by sensing overload conditions with its thermal element and responding to high-fault currents with the magnetic trip mechanism. This dual protection strategy reduces the risk of damage to wiring, components, and connected equipment while minimizing nuisance trips during normal operation. This makes it especially suitable for commercial spaces with mixed loads or industrial environments where consistent protection is essential.

Installation and compatibility tips

For best results, pair this 1-pole FAZ-B63-1N with Eaton OEM load centers or panelboards designed to accept a 1-pole molded case breaker of this rating. Verify panel labeling and verify that 480V systems are within the design specifications of the panelboard. As with all molded case breakers, proper torque on terminating screws and adherence to manufacturer installation instructions are essential for reliable protection and longevity.

Why choose AmpState for this Eaton breaker

AmpState offers authentic Eaton FAZ-B63-1N breakers with dependable availability and clear, accurate compatibility guidance. Choosing this unit means you’re investing in a trusted, field-proven solution that aligns with standard Eaton protection schemes while simplifying inventory and maintenance for facilities teams.