Square D QBA221102 - 110 A, 2-Pole Plug-In Circuit Breaker | AmpState

Square D QBA221102 — a 110 A, 2-pole plug-in molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. With fast plug-in connection, this unit is built for quick installation and hassle-free replacements, helping minimize downtime during upgrades or servicing.

• Fast plug-in connection for rapid installation and easy replacement, reducing panel downtime during maintenance or upgrades.
• Thermal-magnetic trip unit delivers stable, repeatable protection performance against overcurrent and short circuits, maintaining reliable safety margins across varying conditions.
• 2-pole design provides cohesive protection for paired conductors, ideal for circuits requiring simultaneous disconnection.
• Molded case construction offers a compact, rugged form factor suited to tight panel spaces while maintaining durable performance.
• OEM compatibility is designed to pair with matching Square D load centers and panelboards, ensuring seamless integration with existing systems.
• Versatile application suited for residential, commercial, and light industrial installations that demand reliable protection and easy serviceability.

Technical snapshot

• Manufacturer: Square D
• Part Number: QBA221102
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 110 A
• Number of Poles: 2
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

This plug-in breaker is engineered to integrate smoothly with Square D OEM load centers and panelboards, delivering predictable protection and straightforward serviceability. Whether you’re upgrading a home panel, outfitting a small business electrical room, or adding protection in a light industrial panel, the QBA221102 from AmpState offers a reliable, high-compatibility solution backed by Square D’s engineering precision. Add it to your order for fast shipping, authentic performance, and durable protection that keeps circuits safe and systems running smoothly.