Eaton FAZ-D4/2 - 4 A, 480 V, 2-Pole Circuit Breaker | AmpState

The Eaton FAZ-D4/2 is a compact, 2-pole molded case circuit breaker engineered for dependable branch circuit protection in panelboards and load centers. With a 4A rating and a 480V operating capability, this device delivers precise overcurrent and short-circuit protection where it matters most in commercial, light industrial, and select residential settings.

What makes the FAZ-D4/2 stand out

• Space-conscious molded case design minimizes footprint while maximizing panel capacity, improving layout flexibility in crowded electrical rooms.
• Thermal-magnetic trip unit provides stable, repeatable protection across temperature variations, reducing nuisance trips while safeguarding equipment.
• 2-pole configuration ensures simultaneous disconnection of both conductors on fault, enhancing safety and trip coordination for 480V circuits.
• OEM panel compatibility designed to work seamlessly with matching Eaton OEM load centers and panelboards, simplifying replacement or upgrade projects.
• Versatile for multiple sectors suitable for residential, commercial, and light industrial applications that require reliable 480V protection.

Technical specifications at a glance

• Manufacturer: Eaton
• Part Number: FAZ-D4/2
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 4A
• Voltage Rating: 480V
• Number of Poles: 2
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases

Engineered for panelboards and load centers in spaces where 480V circuits need reliable protection, the FAZ-D4/2 is a practical choice for:

• Commercial electrical rooms supplying lighting, HVAC controls, and office equipment on 480V networks
• Light industrial panels requiring compact protection devices that don’t crowd the bus bar area
• Repairs or upgrades where OEM compatibility with Eaton load centers is important for ongoing maintenance

Benefits in practice

• Enhanced reliability: The thermal-magnetic trip system reacts quickly to overloads and short circuits, keeping sensitive equipment safe without frequent false trips.
• Efficient space planning: Its compact form factor frees up panel space, allowing easier wire routing and future expansions.
• Clear maintenance path: OEM-aligned design reduces compatibility concerns during part replacements or panel retrofits.

Tips for installation and operation

• Verify the panelboard or load center requires a 480V, 2-pole device before installation.
• Pair this breaker with matching Eaton OEM equipment to ensure optimal trip characteristics and fit.
• Follow standard electrical practices for wiring polarity and torque as specified by Eaton’s installation guidelines to maintain performance and safety.
• Use in applications where precise, predictable protection is critical to protect motors, distribution circuits, and critical loads from overcurrent faults.

Choose the Eaton FAZ-D4/2 when you need a dependable, space-efficient, 4A, 480V two-pole molded case circuit breaker that aligns with Eaton panelboards and load centers. It’s built for installers who prioritize consistent protection, streamlined compatibility, and practical, real-world performance in everyday electrical environments.