Square D QOB1201021 - 20A, Circuit Breaker

Square D QOB1201021 is a purpose-built 20-amp circuit breaker engineered to deliver dependable overcurrent protection where it matters most. Designed for industrial, commercial, and OEM environments, this device anchors safety and reliability in distribution panels and motor control centers, helping you keep critical equipment running smoothly.

• 20A current rating provides precise protection for branch circuits and motor loads, preventing damage from overloads and short circuits.
• Versatile installation sites—suitable for panelboards, switchboards, control panels, and OEM equipment—giving you a single, reliable protection solution across diverse systems.
• Reliable overcurrent protection supports safe operation and reduces the risk of fire or equipment damage due to electrical faults in demanding environments.
• Consistent performance with predictable tripping behavior that helps maintain system coordination and minimizes unnecessary interruptions.
• Easy integration into existing Square D ecosystems, aiding maintenance, replacement, and system upgrades across distribution panels and motor control centers.

This 20A circuit breaker is a strategic choice for anyone building or maintaining robust electrical infrastructure. It’s ideal for facilities that rely on steady protection for motors, control circuits, lighting, and conditioned power within distribution panels and control infrastructures. Whether you’re refreshing an aging panel, stocking OEM equipment, or standardizing protection across multiple enclosures, the Square D QOB1201021 delivers clarity, reliability, and straightforward installation.

Key questions it answers: Am I protecting a 20A circuit? Is this suitable for panelboards, switchboards, control panels, or OEM gear? Will it provide safe, dependable protection in an industrial or commercial setting? The QOB1201021 answers with a proven, compact solution built for real-world electrical protection needs.