Square D QOU2100 - 100A, Circuit Breaker

Meet the Square D QOU2100 - 100A, Circuit Breaker — a dependable overcurrent protection device engineered for demanding electrical environments. With a 100A current rating, this breaker delivers rapid interruption to protect wiring and connected equipment, helping prevent damage from faults and overloads in critical systems.

Designed for maximum versatility, the QOU2100 fits and functions across essential equipment types, including panelboards, switchboards, control panels, and OEM equipment. It’s an ideal choice for industrial, commercial, and OEM applications where dependable protection and safe operation in distribution panels and motor control centers are paramount.

• Precise 100A protection: Quick, reliable interruption to prevent overcurrent damage and extend the life of electrical components.
• Wide installation compatibility: Suitable for panelboards, switchboards, control panels, and OEM equipment, making it easy to specify in both upgrades and new builds.
• Reliability in demanding settings: Built to support safe operation in distribution panels and motor control centers where downtime is costly.
• Trusted brand for critical infrastructure: Square D has a long-standing reputation for dependable protection in essential electrical systems.
• Straightforward integration: Designed for smooth incorporation into existing electrical distributions with minimal downtime.

Use cases that demonstrate real-world value

• Upgrading a panelboard in a manufacturing line to handle increased load while maintaining robust fault protection.
• Equipping a control panel for a conveyor system with reliable overcurrent protection to prevent unexpected outages.
• Specifying OEM equipment where compact, standardized protection is required without sacrificing safety.

In practice, the QOU2100 delivers peace of mind by safeguarding critical electrical infrastructures — from mid‑range feeders to motor circuits — so you can keep operations running smoothly and safely.