Square D QDL22100 - 100 A, 240 V, 2-Pole Circuit Breaker | AmpState

Square D QDL22100 – a compact, dependable 100A, 240V, 2-pole molded case circuit breaker designed to safeguard your electrical system. Built for robust branch circuit overcurrent and short-circuit protection in panelboards and loadcenters, it integrates smoothly with existing Square D OEM installations for reliable performance.

• Compact molded-case design optimizes panel space, making installation neater and leaving room for future circuits.
• Thermal-magnetic trip unit delivers stable, repeatable protection across varying loads and ambient temperatures, reducing nuisance trips and improving reliability.
• OEM compatibility engineered to fit with matching Square D loadcenters and panelboards for straightforward, trouble-free installation.
• Versatile applications ideal for residential feeders, commercial equipment circuits, and light-industrial power distributions.

Technical specifications

• Manufacturer: Square D
• Part Number: QDL22100
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 100 A
• Voltage Rating: 240 V
• Number of Poles: 2
• Application: Branch circuit overcurrent and short-circuit protection

Practical use cases

In residential settings, the QDL22100 protects heavy 240V loads such as electric water heaters or central air conditioning systems. In small commercial environments, it can safeguard 240V equipment feeders or serve as a reliable main-breaker option within a panelboard. Its compact form factor helps you maximize panel capacity while maintaining clear, code-compliant protection for critical circuits.

Who benefits most

• Homeowners and electricians performing panel upgrades or replacing a faulty 2-pole breaker on 240V circuits.
• Contractors stocking reliable, OEM-compatible components for new installations.
• Facilities managers overseeing light commercial equipment and 240V loads in small workplaces.

Choose the Square D QDL22100 for precise protection, space-efficient design, and seamless compatibility with Square D panel systems. It’s a practical, long-lasting choice for reliable 240V circuit protection across residential, commercial, and light-industrial applications.