Eaton FAZ-D30/1-SP 30A 1-Pole 277 V Circuit Breaker

The Eaton FAZ-D30/1-SP is a purpose-built circuit breaker designed to deliver dependable overcurrent protection for 277 V single-phase circuits. With a 30 A rating and a single pole, this unit is ideal for safeguarding lighting and power runs in commercial environments where reliability matters.

Key specifications at a glance

• Current rating: 30 A
• Poles: 1
• Voltage rating: 277 V
• Part number: FAZ-D30/1-SP

Why this matters for your installations

• Provides precise protection for 277 V lighting and branch circuits in offices, retail environments, schools, and other commercial settings, helping prevent equipment damage from overloads or short circuits.
• Compact, single-pole design reduces panel footprint while delivering reliable interruption when circuits are overloaded.
• Built to integrate with Eaton electrical systems, offering a straightforward path for upgrades, replacements, or routine maintenance in existing panels that use FAZ-style protection devices.

Practical use cases

• Protect 277 V lighting feeders in commercial spaces such as offices, clinics, and showrooms.
• Safeguard dedicated 30 A branch circuits feeding critical equipment or receptacle runs in retail environments.
• Stock for routine maintenance or panel refurbishment projects where consistent, dependable overcurrent protection is required.

What problems it solves

• Prevents damage from overloads by interrupting current before wiring or devices can overheat.
• Minimizes downtime by rapidly isolating faulty circuits, helping crews diagnose issues without impacting other parts of the system.
• Supports safe, code-aligned electrical distribution in non-residential settings that rely on 277 V single-phase circuits.

Installation and safety notes

Installations should be performed by a qualified electrician in accordance with local codes and regulations. Always verify that circuit requirements align with the 30 A rating and the 277 V system to ensure proper protection and safe operation.

For anyone upgrading an existing commercial setup or stocking spare breakers for routine maintenance, the FAZ-D30/1-SP from Eaton provides clear, reliable 30 A protection for 277 V single-pole circuits with a trusted, industry-recognized design.