Square D FDA34030 Circuit Breaker, 30A, 3-Pole, 277V

Meet the Square D FDA34030 Circuit Breaker: a purpose-built 30-amp, 3-pole unit designed for demanding industrial electrical service, maintenance, and replacement projects. Rated for 277V, this breaker provides reliable protection for three-phase circuits and is specified by the exact part number FDA34030 to ensure a proper fit in your panel and application.

• Three-pole protection for 3‑phase systems: Ideal for motors, compressors, and other three-phase equipment common in manufacturing and industrial environments.
• 277V operation: Suited for commercial/industrial distribution networks that use 277V line-to-neutral configurations.
• Exact part number fit: Verify compatibility by part number FDA34030 to match your panel requirements and installation needs.
• Industrial-grade construction: Built to withstand the rigors of demanding environments, delivering dependable overcurrent protection over time.
• Hassle-free replacement compatibility: Designed for straightforward installation in compatible enclosures, helping minimize downtime during maintenance or upgrades.

Ideal users and use cases

• Engineers and facilities managers performing panel upgrades, maintenance, or replacement in manufacturing plants, warehouses, and large commercial facilities.
• Applications including three-phase motors, HVAC equipment, pumping systems, and other three-phase loads that require reliable 30A protection at 277V.

How to verify compatibility

To ensure a proper fit, cross-check the FDA34030 part number with your panel specifications and the application requirements. If you need guidance confirming compatibility, share the part number and your panel details with our team—we’re ready to help validate fit and installation considerations.

Choose the Square D FDA34030 for dependable, three-phase protection where it matters most. With its clear alignment to industrial service needs and a focus on exact fit, this breaker helps you protect equipment, reduce downtime, and maintain compliant, safe operation across your electrical systems.