Square D QDA221101 - 110 A, 2-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D QDA221101, a robust 110 A, 2-pole plug-in molded case circuit breaker designed to protect your electrical system from overcurrent and short-circuit events. Built for dependable branch circuit protection in panelboards and load centers, this unit helps keep wiring safe and equipment running smoothly.

Key advantages

• Fast plug-in connection enables quick installation and hassle-free replacements, reducing downtime during servicing or upgrades.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining thermal sensing for overloads with magnetic actuation for short circuits.
• OEM-compatible design ensures seamless compatibility with matching Square D OEM load centers and panelboards for reliable performance.
• Versatile applications suitable for residential, commercial, and light industrial environments, where dependable branch circuit protection is essential.

Technical specifications

• Manufacturer: Square D
• Part Number: QDA221101
• 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

Designed for environments where quick replacement and reliable protection matter most, the QDA221101 is ideal for panelboards and load centers that demand consistent performance and straightforward maintenance. Whether upgrading an existing installation or building out a new system, this 2-pole, plug-in solution delivers the reliability you need with installation efficiency that keeps projects on track.