Eaton FAZ-Z4/3 - 4 A, 480 V, 3-Pole Circuit Breaker | AmpState

Meet the Eaton FAZ-Z4/3 — a compact, dependable 3-pole molded case circuit breaker designed for 480V panelboards and load centers. With a 4 A rating, it delivers precise branch circuit overcurrent protection and reliable short-circuit protection, making it a smart choice for commercial and light industrial electrical distribution.

Why choose the Eaton FAZ-Z4/3

• Compact molded-case design maximizes panel space, letting you fit more circuits without sacrificing protection.
• Thermal-magnetic trip unit provides stable, repeatable protection performance, reducing nuisance trips while responding quickly to overloads and short circuits.
• 3-pole configuration ideal for three-phase distribution systems operating at 480V.
• OEM panel compatibility engineered for seamless integration with matching load centers and panelboards.
• Versatile applications suitable for residential, commercial, and light industrial environments where reliable protection and compact form factor matter.

Technical specifications at a glance

• Manufacturer: Eaton
• Part Number: FAZ-Z4/3
• 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

Use cases and installation notes

Designed for distribution panels and load centers, the FAZ-Z4/3 is well-suited for protecting three-phase feeders in commercial spaces, industrial facilities, and retrofit projects where space is at a premium. It helps coordinate protection for lighting panels, motor control circuits, and other critical loads that operate at 480V. When installing, ensure the panel is compatible with the FAZ-Z4/3 and that electrical compartments accommodate a 3-pole MCCB of this rating. Proper labeling and adherence to local electrical codes will help maintain clear, safe, and reliable protection for your distribution network.

Why it solves real-world problems

In demanding 3-phase environments, consistent trip performance is essential. The FAZ-Z4/3’s thermal-magnetic mechanism provides dependable protection against both overloads and short circuits, so equipment stays safeguarded without unexpected downtime. Its compact profile frees panel space for future expansions, while its OEM-loadcenter compatibility ensures straightforward upgrades and maintenance without bespoke adapters or unconventional hardware.

If you’re configuring or upgrading a 480V distribution system, the Eaton FAZ-Z4/3 delivers precise protection, space-efficient design, and straightforward compatibility that help you achieve safer, more reliable electrical distribution across your facility.