Eaton FAZ-B4-3 - 4 A, 480 V, 3-Pole Circuit Breaker | AmpState

Eaton FAZ-B4-3 is a 4 A, 480 V, 3‑pole molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters.

• Space-efficient molded case design minimizes footprint while maximizing panel density, making it ideal for compact electrical panels and tight installations.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining overload and short-circuit response for reliable performance across varying conditions.
• 3‑pole configuration supports three‑phase systems, providing coordinated protection for multi‑wire circuits and three‑phase equipment.
• 480 V rated suitable for commercial and light industrial distribution networks, enabling safe operation in higher voltage panel environments.
• OEM-compatible compatibility engineered to fit matching Eaton OEM loadcenters and panelboards, ensuring proper fit, electrical characteristics, and straightforward replacement.

The Eaton FAZ-B4-3 is purpose-built for protecting branch circuits against both overloads and short circuits, reducing the risk of equipment damage and downtime. This makes it an excellent choice for:

• Residential, commercial, and light industrial applications where space and reliability matter
• Panelboards and loadcenters that require a compact, dependable MCCB replacement
• 3‑phase distribution points with 480 V service where precise protection coordination is essential

Why choose this model over other breakers? The FAZ-B4-3 combines a compact form factor with a robust thermal-magnetic trip mechanism, delivering predictable trip performance without nuisance trips. Its design targets real-world use cases—from protection of small three‑phase motors and control circuits to safeguarding critical panel equipment in commercial settings—while maintaining compatibility with Eaton’s OEM hardware lineup for a seamless install.

For technicians and facilities engineers, this breaker translates to easier maintenance, faster replacements, and consistent protection across the panelboard ecosystem. With the FAZ-B4-3, you get precise, reliable circuit protection tailored to 480 V three‑phase environments, all in a space-conscious package.