Eaton FAZ-D25/2-NA 25A 2-Pole 277 V Circuit Breaker Potential Transformer

Safeguard your 277 V distribution with precision using the Eaton FAZ-D25/2-NA 25A 2-Pole Circuit Breaker. Built for commercial and light industrial applications, this two-pole protection device delivers dependable overcurrent interruption exactly where you need it—in a compact footprint that fits standard Eaton panelboards and distribution gear. Designed to support metering and protection schemes, it pairs well with potential transformer (PT) systems to keep critical loads safe and monitored.

Key specifications

• Current rating: 25 A
• Poles: 2
• Voltage rating: 277 V
• Part number: FAZ-D25/2-NA

What sets this breaker apart

• Two-pole design for balanced protection—efficiently protects paired conductors in 277 V circuits, reducing the need for separate single-pole devices.
• Optimized for commercial 277 V systems—ideal for lighting, small motors, and control circuits common in offices, retail spaces, and facilities with 277 V distribution.
• PT-friendly protection—integrates smoothly into metering and protection schemes that rely on potential transformers for accurate fault indication and coordination.
• Reliability you can trust—fabricated to perform consistently in busy electrical rooms, delivering predictable interruption behavior when faults occur.

Ideal use cases

• Commercial lighting circuits powered by 277 V where dependable trip protection is essential
• HVAC and small equipment feeders that require clean, coordinated two-pole protection
• Electrical distribution panels supporting metering or control circuits that utilize potential transformers
• Facilities engineers designing robust protection schemes in offices, retail spaces, and light industrial environments

Installation and practical considerations

• Ensure compatibility with your Eaton panelboard and follow all local electrical codes during installation
• Confirm the 25 A rating aligns with the protected branch circuit’s load and conductor sizing
• When integrating with measurement systems, verify PT connections and coordination settings meet system requirements
• For maintenance, promptly replace any damaged device and test the circuit after any fault condition in accordance with safety practices

Choose the Eaton FAZ-D25/2-NA 25A 2-Pole 277V Circuit Breaker for reliable, panel-ready protection that supports metering and protection workflows without compromising on space or performance. Add it to your electrical distribution, and protect critical loads with equipment-grade reliability.