Square D | FAL16100 | Circuit Breaker | 100A | 1-Pole | 277V

For reliable, targeted protection of 277V circuits in commercial spaces, the Square D FAL16100 circuit breaker stands out as a precise, purpose-built solution. Designed for maintenance, retrofit, and replacement projects, this 100A, 1-pole device delivers dependable interrupting capability when you need to safeguard wiring and equipment without overhauling your panel.

• Amperage: 100A
• Poles: 1-Pole (single-pole)
• Voltage: 277V
• Brand & Model: Square D, FAL16100
• Application: Circuit protection for 277V systems in maintenance, retrofit, and replacement scenarios

Why this specific breaker matters

• Exact-fit reference: The part number FAL16100 is the strongest signal for compatibility. Use it to verify that your panel accepts this breaker as a direct replacement.
• Targeted rating for 277V circuits: When your installation runs on 277V, selecting a breaker rated for that voltage helps ensure reliable performance and proper coordination with downstream devices.
• Maintenance-friendly design: Keeping a matching 100A, 1-pole breaker in your toolkit means faster service calls and less downtime during panel work.

How to confirm compatibility (quick guide)

• Check your panel labeling for accepted breaker types and the FAL-series designation.
• Ensure the amperage matches your load requirements at 100A.
• Verify the system voltage is 277V and that a 1-pole configuration is suitable for the circuit you’re protecting.
• Use the FAL16100 part number as the primary reference when ordering or cross-checking with your service manuals.

Ideal use cases

• Retrofits where a 277V, 1-pole protection device is required and panel space is configured for a single-pole breaker.
• Replacement of a failed 100A 277V breaker in commercial lighting or auxiliary power circuits.
• Maintenance projects that demand a dependable, field-tested component with exact compatibility to existing Square D installations.

Practical benefits to expect

• Enhanced circuit safety with precise 100A protection, helping prevent overheating and electrical faults in 277V systems.
• Streamlined part sourcing—keep a single, correct reference on hand to minimize compatibility questions during service calls.
• smoother retrofits and replacements by aligning with the established Square D protection ecosystem, reducing the risk of mismatched components.

Note: Before ordering, confirm fit and ratings are exactly what your installation requires. The part number FAL16100 is the best reference for compatibility with your Square D panel and 277V, 1-pole application.