Square D FY12020B 20A 1-Pole 120 V Circuit Breaker

Protect essential circuits with confidence using the Square D FY12020B 20A 1-Pole 120 V Circuit Breaker. Designed for single-circuit protection, this FY-type breaker interrupts current on a 120-volt line to prevent overheating, damage, and fire risk in your panel. With a clear part number—FY12020B—you know you’re getting a genuine Square D component built for dependable performance.

Key specifications

• Brand: Square D (Schneider Electric)
• Part number: FY12020B
• Type: FY, 1-Pole
• Current rating: 20 A
• Voltage rating: 120 V
• Application: protects a single circuit in compatible Square D panels that accept FY-type breakers

Why this matters

Choosing the FY12020B means you’re aligning with Square D’s trusted design standards for reliable tripping performance and consistent protection across 120 V circuits. The 1-pole configuration is ideal for simple branch circuits such as lighting or receptacle lines, delivering focused protection where you need it most.

Ideal use cases

• Replacing a worn or tripped breaker in existing Square D panels that accept FY-type devices
• Protecting a dedicated 120 V branch circuit in residential or light commercial setups
• Upgrading or maintaining electrical panels to ensure consistent, dependable protection

Practical notes: always ensure compatibility with your panel’s breaker type, follow local electrical codes, and disconnect power before servicing. If you’re unsure about installation, consult a licensed electrician. Add the Square D FY12020B 20A 1-Pole 120 V Circuit Breaker to your toolbox for ready, reliable circuit protection when you need it most.