Eaton FAZ-K4/3 - 4 A, 480 V, 3-Pole Circuit Breaker | AmpState

Introducing the Eaton FAZ-K4/3 — a compact, reliability-first 4A, 480V, 3-pole molded case circuit breaker designed to protect branch circuits in panelboards and load centers. With three-phase capability, it safeguards every leg of your system against overloads and short circuits, ensuring your equipment runs smoothly under demanding conditions.

• Space-efficient molded case design: maximizes panel space while simplifying installation, leaving room for wiring and future upgrades.
• Thermal-magnetic trip unit: delivers stable, repeatable protection by responding to both gradual overloads and sudden surges, reducing nuisance trips and protecting connected equipment.
• OEM-compatible: engineered to fit seamlessly with matching Eaton OEM loadcenters and panelboards, ensuring correct fit and reliable electrical performance.
• Versatile application: suitable for residential, commercial, and light industrial settings where dependable 3-pole protection is needed.
• Clear specifications: 4A amperage rating, 480V rating, 3 poles—designed for protecting branch circuits in three-phase distributions.

Use cases and scenarios you can rely on:

• Three-phase motor feeders in light industrial facilities: protect motor circuits and feeders while fitting neatly into OEM panelboards.
• Panelboard upgrades and replacements: a compatible, drop-in solution that maintains panel performance without compatibility concerns.
• Commercial electrical distributions: safeguard lighting and receptacle circuits in small to mid-size commercial spaces with a compact, dependable breaker.

Why choose the FAZ-K4/3 for your electrical protection needs? It combines Eaton’s trusted thermal-magnetic technology with a compact form factor designed for efficient panel layouts, core protection for branch circuits, and seamless compatibility with Eaton OEM loadcenters and panelboards. This makes it an intelligent choice for projects that demand dependable trip performance, precise protection, and straightforward maintenance in residential, commercial, and light industrial environments.

Technical snapshot

• Manufacturer: Eaton
• Part Number: FAZ-K4/3
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 4A
• Voltage Rating: 480V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Equip your panels with a protection device that blends precise electrical performance with practical installation benefits. The FAZ-K4/3 is ready to support dependable operation across a range of residential, commercial, and light industrial applications, helping you keep systems protected, compliant, and running efficiently.