Eaton FAZ-D4/2-NA 4A 2-Pole 277 V Circuit Breaker

Meet the Eaton FAZ-D4/2-NA 4A 2-Pole 277 V Circuit Breaker — a precise, purpose-built overcurrent protector designed for 277-volt electrical systems. With a 4 amp current rating and two poles, this breaker is built to safeguard small but critical circuits while keeping your panel organized and reliable. The part number FAZ-D4/2-NA identifies a dedicated solution for protecting 277 V loads, helping you prevent wiring damage and equipment downtime caused by overloads or short circuits.

Key specifications

• Current rating: 4 A
• Poles: 2
• Voltage rating: 277 V
• Part number: FAZ-D4/2-NA

Ideal use cases

• Protection for 277 V lighting and small power circuits in commercial spaces such as offices, retail environments, and light industrial applications
• Replacement for worn or outdated two-pole breakers in panels serving 277 V distribution
• Situations where selective protection of a specific branch circuit is needed without impacting adjacent circuits

What makes this model stand out

• Two-pole design provides simultaneous disconnection of both conductors, enhancing safety on 277 V circuits
• Specific 4 A rating is ideal for protecting smaller loads while minimizing nuisance trips on routine operation
• 277 V compatibility targets common commercial electrical distributions, delivering reliable protection where it’s most needed

Practical guidance for use

• Install in panels and distribution systems that handle 277 V circuits with two-pole protection requirements
• Before replacement, ensure the circuit load and panel are appropriate for a 4 A two-pole breaker in a 277 V system
• Always follow electrical code requirements and power down the circuit when handling or replacing breakers

The Eaton FAZ-D4/2-NA 4A 2-Pole 277 V Circuit Breaker delivers focused protection for specific 277 V loads, helping you maintain safe, reliable electrical operation in commercial environments. Its precise rating and two-pole design offer clear advantages over generic solutions when safeguarding essential circuits.