Square D | FA14030C | Circuit Breaker | 30A | 1-Pole | 277V

Square D FA14030C 30A 1-Pole 277V Circuit Breaker is built to deliver dependable overcurrent protection in commercial electrical systems that rely on 277-volt circuits. Designed for maintenance, retrofit, and replacement, this unit ensures you can restore reliable power delivery where exact specifications matter.

Why this FA14030C matters

• Exact-fit compatibility — part number FA14030C is the strongest reference for matching panels and builds that require a 1-pole, 277V circuit breaker.
• Consistent 30A protection — provides a clear, predictable current limit for medium-load lighting and equipment circuits common in commercial spaces.
• Efficient replacements — a straightforward, one-for-one swap that minimizes downtime during maintenance or retrofit projects.
• Reliability in busy environments — engineered to endure the demands of commercial electrical rooms and frequent service cycles.

Ideal use cases

Use this 1-pole 277V breaker for:

• Replacement of failed breakers in existing panels that run on 277V lighting or equipment circuits.
• Retrofits and upgrades where higher voltage distribution is required or specified.
• Stocking a dependable, high-demand component for maintenance programs in offices, retail spaces, schools, and warehouses.

Technical at a glance

• Amperage: 30A
• Poles: 1-Pole
• Voltage: 277V
• Part number: FA14030C

Important fit and installation notes

Before ordering, confirm fit and ratings on your panel label or with your panel manufacturer. The FA14030C part number is the best reference for compatibility, helping ensure you get the correct breaker for your specific panel model and 277V circuit requirements. When installing, follow standard electrical safety practices and local codes to complete a safe, compliant replacement.