Eaton FAZ-D3/1-NA 3A 1-Pole Circuit Breaker

The Eaton FAZ-D3/1-NA is a compact, single-pole circuit breaker designed to deliver precise overcurrent protection in FAZ-panel systems. With a 3 A rating, this OEM Eaton part protects a dedicated circuit while occupying minimal space, making it an ideal replacement in panels that rely on FAZ-series breakers.

Key specifications at a glance

• Current rating: 3 A
• Poles: 1
• Part number: FAZ-D3/1-NA
• Series: FAZ family

Why choosing the FAZ-D3/1-NA matters

In residential and light commercial electrical setups, a 3 A, 1-pole breaker like the FAZ-D3/1-NA provides targeted protection for low-current circuits—such as specialty lighting, control feeds, or dedicated small-load devices—while preserving overall panel capacity. Its design is optimized for reliable, consistent trip performance within compatible Eaton FAZ panels, reducing nuisance trips and helping to maintain the longevity of connected equipment.

Ideal use cases

• Replacement for worn or aging FAZ-series breakers in Eaton panels
• Protection for low-current lighting circuits, sensors, or small loads
• Maintenance inventory for service technicians working on FAZ-compatible electrical systems

Installation and compatibility tips

Ensure your panel accepts FAZ-type breakers and that the FAZ-D3/1-NA matches the required pole configuration and current rating for the circuit being protected. Proper installation requires disconnecting power at the service panel and seating the breaker firmly into the bus to ensure a secure connection and reliable tripping performance.

Practical guidance for maximum value

• Keep a spare FAZ-D3/1-NA on hand to minimize downtime during maintenance or panel upgrades.
• Pair with other FAZ-series breakers for consistent fit, feel, and electrical characteristics across the panel.
• Label the protected circuit clearly to simplify future inspections and troubleshooting.