Square D QGL22100 - 100 A, 2-Pole Circuit Breaker | AmpState

Square D QGL22100 is a 100 A, 2-pole molded case circuit breaker engineered to protect branch circuits in panelboards and loadcenters with precision and reliability. Designed for everyday electrical installations, this breaker provides dependable overcurrent and short-circuit protection where it matters most.

• Space-efficient design - a compact molded-case form factor that makes the most of panel real estate, helping you fit more protection in crowded panels.
• Thermal-magnetic trip unit - delivers stable, repeatable protection performance by combining thermal overload sensing with an instantaneous magnetic trip for short circuits.
• 2-pole configuration - ensures both hot legs disconnect simultaneously, enhancing safety and fault clearance for multi-wire circuits.
• OEM compatibility - engineered to mate with matching Square D OEM loadcenters and panelboards for reliable fit, proper coordination, and straightforward replacement.
• Versatile applications - suitable for residential, commercial, and light industrial branch circuits that require 100 A protection.
• Reliable part and support - this is the Square D QGL22100, a standard, readily available solution for ongoing maintenance and upgrades.

Use cases include upgrading or stocking protection for service panels, feeder circuits, or branch circuits in homes, offices, retail spaces, or light industrial environments. With a 100 A rating and two poles, this breaker offers strong, coordinated protection to keep wiring, devices, and equipment safe while enabling smooth system operation in everyday electrical installations.

Technical snapshot

• Manufacturer: Square D
• Part Number: QGL22100
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 100 A
• Poles: 2
• Application: Branch circuit overcurrent and short-circuit protection