Eaton FAZ-K0.5/3 - 5 A, 480 V, 3-Pole Circuit Breaker | AmpState

Eaton FAZ-K0.5/3 — 5A, 480V, 3-Pole Molded Case Circuit Breaker

Meet the Eaton FAZ-K0.5/3, a compact three-pole molded case circuit breaker engineered to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. With a precise 5-amp rating at 480V, it’s built to protect small, critical loads in commercial and light industrial environments without compromising panel space or wiring clarity.

Distinctive advantages you’ll feel in the field

• Space-efficient molded-case design: minimizes enclosure footprint and simplifies wiring routing, helping you maximize panel density without sacrificing protection.
• Thermal-magnetic trip unit: combines stable thermal overload protection with an instantaneous magnetic trip for fast response to short circuits, reducing nuisance trips and safeguarding equipment.
• 3-pole configuration: ideal for balanced 3-phase distribution at 480V, ensuring synchronized protection across all three lines A, B and C.
• 5A, 480V rating: enables precise protection for small-control circuits, instrumentation feeds, and low-current motor or device feeders in higher-voltage systems.
• OEM-loadcenter compatibility: designed to integrate seamlessly with matching Eaton load centers and panelboards for reliable fit and consistent electrical performance.

Technical snapshot

• Manufacturer: Eaton
• Part Number: FAZ-K0.5/3
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 5A
• Voltage Rating: 480V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Use cases that illustrate its value

Ideal for commercial spaces and light industrial facilities that run 3-phase 480V distribution. Use this breaker to protect feeders feeding control panels, LV equipment, small motor circuits, lighting feeders, and instrumentation lines. The 5A rating is especially useful when you need precise protection for low-current circuits while maintaining robust overall protection for the panelboard ecosystem.

Installation guidance and compatibility tips

• Opt for matching Eaton OEM panelboards and loadcenters to ensure a clean fit and predictable performance.
• Leverage the compact form factor to improve panel layout, wire routing, and accessibility for testing and maintenance.
• Verify your system is a 480V three-phase service and ensure correct line/load orientation during installation.
• Pair with a compatible trip curve strategy to align protection with connected equipment and reduce undesired interruptions.

Choosing the Eaton FAZ-K0.5/3 means investing in a compact, reliable protection device that aligns with your panel design and delivers precise, repeatable safeguarding for your 3-phase 480V circuits. It’s a thoughtful, purpose-built solution for professionals who value panel efficiency and dependable protection.