Square D QO2100 - 100A, 2-Pole, Circuit Breaker

Square D QO2100 is a 100A, 2-Pole circuit breaker designed for dependable overcurrent protection in demanding electrical systems. Built to perform in real-world environments, it delivers reliable interruption and protection where it matters most.

This 2-Pole unit is ideal for panelboards, switchboards, and control panels, enabling clean, straightforward integration into a variety of setups. By disconnecting both live conductors simultaneously, it enhances safety and reduces fault exposure in distribution panels and motor control centers.

Why this model stands out

• Robust 100A protection: Precisely suited for feeders and critical branch circuits in industrial, commercial, and OEM applications.
• Two-pole configuration: Simplifies wiring and ensures coordinated disconnection across both lines, simplifying maintenance and improving safety.
• Versatile integration: Compatible with a range of Square D panelboards, switchboards, and control panels for flexible installation.
• Durable performance in demanding environments: Built to support continuous operation in distribution panels and motor control centers.

Ideal use cases

Use the QO2100 to protect feeders in panelboards, guard motors and associated circuits in motor control centers, or serve as a reliable protection element in OEM equipment. It’s a practical choice for warehouses, manufacturing lines, data centers, and commercial facilities where dependable circuit protection is essential.

Practical tips for optimal protection

Match the amperage rating to the circuit load, verify compatibility with your panel’s configuration, and follow standard electrical codes during installation. Regular inspections of connections and trip performance help maintain consistent protection over time.

With the trusted Square D quality and the proven two-pole design, the QO2100 delivers dependable protection for distribution panels and motor control centers, helping you keep operations running smoothly and safely.