Eaton FAZ-K4/2 - 4 A, 480 V, 2-Pole Circuit Breaker | AmpState

The Eaton FAZ-K4/2 is a compact, 2-pole molded case circuit breaker engineered for reliable branch circuit protection in panelboards and loadcenters running at 480V. With a precise 4A rating, this breaker delivers dependable overcurrent and short-circuit protection where space is at a premium and performance matters.

Key advantages

• Space-efficient molded-case design: Slim profile fits neatly in crowded panels, helping you maximize usable interior space without sacrificing protection.
• Thermal-magnetic trip unit: Combines stable thermal protection with a fast magnetic response for quick disconnection during short circuits, reducing wear on downstream components.
• Exact 4A, 480V, 2-pole performance: Ideal for protecting low-current circuits and sensitive loads at high voltage, while coordinating with the rest of your protection scheme.
• OEM panel compatibility: Engineered to pair with matching load centers and panelboards, ensuring secure mounting, proper fit, and consistent trip characteristics.
• Versatile applications: Suitable for residential, commercial, and light industrial settings where compact protection is essential and reliability is non-negotiable.

What problems this solves

When you need dependable protection for 480V distribution, the FAZ-K4/2 provides a precise, repeatable trip response that minimizes nuisance trips and protects wiring, devices, and control circuits. Its compact form factor preserves panel density, while the thermal-magnetic trip ensures that both gradual overloads and sudden faults are handled promptly and predictably.

Who this is for

• Electrical contractors upgrading or refurbishing panelboards in commercial spaces or light industrial facilities.
• Facility managers seeking reliable 480V protection for critical branch circuits without sacrificing panel space.
• installers needing a matching, OEM-compatible component to maintain proper coordination and performance in existing loadcenters.

Technical snapshot

• Manufacturer: Eaton
• Part Number: FAZ-K4/2
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 4A
• Voltage Rating: 480V
• Poles: 2
• Application: Branch circuit overcurrent and short-circuit protection

Practical tips for best results

• Pair the FAZ-K4/2 with a compatible Eaton loadcenter or panelboard to ensure optimal trip coordination and secure mounting.
• Verify your circuit’s actual operating current and voltage to confirm that a 4A rating is appropriate for your loads and protection strategy.
• Follow manufacturer torque specifications during installation to maintain electrical integrity and long-term reliability.

Choose the Eaton FAZ-K4/2 when you need precise, space-conscious protection for 480V circuits—delivering dependable branch circuit and short-circuit protection with a compact footprint and OEM-grade compatibility.