Eaton FAZ-D10/1-SP 10A 1-Pole 277 V Circuit Breaker

Eaton FAZ-D10/1-SP is a purpose-built 10 A, 1-Pole circuit breaker designed for 277-volt applications. Engineered to protect commercial and industrial electrical circuits, this unit interrupts current quickly to prevent damage to wiring and connected equipment while fitting seamlessly into panels that support the FAZ family.

• Current rating: 10 A
• Poles: 1
• Voltage rating: 277 V
• Part Number: FAZ-D10/1-SP

Why this specific breaker matters

277 V circuits are common in commercial spaces such as offices, retail environments, and manufacturing facilities that use high-efficiency lighting or certain HVAC components. The FAZ-D10/1-SP is tuned for these systems, ensuring proper protection without the risk of undersized or mismatched devices. By choosing a single-pole breaker with an exact 277 V rating, you minimize nuisance trips and maximize safety for the circuit it protects.

Ideal use cases

• Protecting 277 V lighting runs in commercial buildings and campuses
• Branch circuits powering control panels and misc. 277 V equipment in warehouses
• Retrofit projects where 1-pole protection is required in FAZ-compatible panelboards

Practical benefits

• Targeted electrical protection: quickly disconnects power on overload or fault to prevent wiring damage and fire risk
• Reliable compatibility: part of Eaton’s FAZ family, designed for straightforward replacement in compatible panels
• Clear specification alignment: 10 A rating and 277 V operation ensure the device matches the intended load and supply conditions

For installers and facility managers, the FAZ-D10/1-SP offers a precise, dependable solution for safeguarding 277 V circuits without over‑engineering your panel mix. When you need single-pole protection tailored to 277 V infrastructure, this Eaton breaker delivers clear, practical value that supports safe, continuous operation of essential building systems.