Eaton FAZ-B40/2 40A 2P Circuit Breaker | AmpState

Meet the Eaton FAZ-B40/2, a dependable 40A, 2-pole circuit breaker built for everyday electrical work. It protects circuits in panelboards, load centers, and electrical distribution networks, delivering reliable performance where it matters most.

Designed for professionals who value exact part-number matching, the FAZ-B40/2 is a smart pick for maintenance teams, panel builders, and spare inventory. Its direct compatibility reduces install guesswork and simplifies stocking—choose FAZ-B40/2 with confidence that it fits your existing infrastructure.

Key specifications at a glance

• Manufacturer: Eaton
• Part Number: FAZ-B40/2
• Product Type: Circuit Breaker
• Amperage: 40 A
• Poles: 2
• Availability: AmpState

Ideal applications and use cases

• Panelboards that require a direct FAZ-B40/2 replacement to ensure precise fitment and reliable protection.
• Load centers needing robust 40-amp, two-pole overcurrent protection for multi-wire circuits.
• Electrical distribution setups where standardized, OEM-part-number components streamline maintenance and future replacements.
• Spare inventory for service teams, installers, and commissioning projects who must have compatible parts on hand.

Why this matters: The two-pole design provides synchronized protection for both conductors of a circuit, helping prevent overloads and short circuits across your distribution network. A direct part-number match improves consistency, reduces rework, and speeds up repairs or upgrades.

Need help confirming compatibility? AmpState offers support to verify fit and ensure the FAZ-B40/2 matches your panelboard, load center, or distribution panel. Message us and we’ll help you confirm the right part.