Eaton FAZ-D4/3 - 4 A, 480 V, 3-Pole Circuit Breaker | AmpState

The Eaton FAZ-D4/3 is a compact 4A, 480V, 3-pole molded case circuit breaker designed to safeguard your panelboards and loadcenters from overcurrent and short-circuit events. With a thermal-magnetic trip unit, this breaker delivers stable, repeatable protection that responds quickly to faults while minimizing nuisance trips in dynamic electrical environments.

Key Features

• Space-efficient molded case design maximizes panel utilization, making it easier to fit into tightly arranged electrical enclosures.
• Thermal-magnetic trip unit provides precise protection curves for both overloads and short circuits, delivering predictable performance across operating conditions.
• Three-pole construction ensures synchronized protection across all phases in 480V three-phase systems, helping maintain balanced distribution and safer operation.
• OEM compatibility engineered to work with matching Eaton OEM loadcenters and panelboards for straightforward replacement and upgrade paths.
• Versatile application suitable for residential, commercial, and light industrial environments, addressing a range of branch circuit protection needs.

Technical Details

• Manufacturer: Eaton
• Part Number: FAZ-D4/3
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 4 A
• Voltage Rating: 480 V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Practical Use and Value

Whether you’re stocking parts for a commercial retrofit, outfitting a new panelboard installation, or replacing a worn-out breaker, the FAZ-D4/3 provides reliable, drop-in protection for 480V three-phase circuits. Its compact form helps you optimize panel space, while the thermal-magnetic trip curve reduces the risk of nuisance tripping under normal voltage fluctuations and motor start-ups. Compatibility with Eaton’s OEM load centers means you can upgrade or replace components with confidence, preserving system coordination and warranty alignment.

Ideal for professionals and facility managers overseeing electrical infrastructure in commercial and light industrial settings, this 3-pole 4A breaker is a precise choice for protecting branch circuits in panelboards and loadcenters. With a focus on dependable protection, straightforward integration, and industry-standard performance, the Eaton FAZ-D4/3 helps maintain operational reliability across critical electrical systems.