Square D FY14020A 20A 1P 277V Circuit Breaker | AmpState

The Square D FY14020A 20A 1P 277V Circuit Breaker is built for everyday electrical work, delivering dependable circuit protection for panelboards, load centers, and electrical distribution systems. Designed with retrofit and maintenance in mind, this 1-pole breaker keeps your installations consistent and your spare parts inventory simple, so you can plan ahead without compatibility headaches.

Key specifications

• Manufacturer: Square D
• Part Number: FY14020A
• Product Type: Circuit Breaker
• Amperage: 20 A
• Poles: 1
• Voltage: 277 V

Why this model stands out

• Part-number stability for retrofit projects: When plans call for a consistent replacement component across multiple panels or sites, FY14020A provides a reliable, drop-in solution without altering existing guard rings, bus stabs, or labeling.
• Trusted performance from Square D: A recognized name in electrical protection, this 20-amp, 1-pole breaker is designed to reliably interrupt 277-volt circuits often used in commercial and industrial settings.
• Clear fit for 277V circuits: The 277V rating makes it ideal for branch circuits powering lighting, fans, and other equipment in non-residential environments where that voltage is standard.
• Support when you need it: AmpState stocks this part and offers assistance to verify compatibility, ensuring you choose the right device for your specific panel and distribution setup.

Ideal use cases

• Retrofit projects where panel compatibility and part numbers must stay consistent across replacements.
• Maintenance planning for facilities with 277V single-pole branch circuits.
• Inventory standardization for building management teams that service multiple panelboards and load centers.

To confirm fit, verify that your panel accepts a 1-pole, 20A 277V breaker and that FY14020A is listed as a compatible device for your model. If you need a quick compatibility check, AmpState is ready to help confirm the fit and keep your electrical distribution running smoothly.