Square D QOB1115 - 15A, 120VAC, 1-Pole, Circuit Breaker

The Square D QOB1115 is a purpose-built circuit breaker that delivers dependable overcurrent protection for single‑phase systems. With a 15A rating at 120VAC and a compact 1‑Pole design, it’s engineered to fit a wide range of industrial, commercial, and OEM panel configurations where protecting wiring and equipment matters. Key features and benefits

• Exact ratings for reliable protection: 15 amperes at 120 VAC, ideal for protecting individual branch circuits in control panels and distribution gear.
• 1‑Pole configuration: Suited for single‑phase circuits, providing straightforward protection for dedicated loads in panelboards, switchboards, and MCCs.
• Designed for Square D installations: Part of the QOB family, offering compatible, proven performance in Square D panel products and assemblies.
• Versatile installation targets: Perfect for panelboards, switchboards, and control panels in industrial, commercial, and OEM environments where safe operation is critical.
• Durable, field‑tested protection: Built to withstand demanding electrical environments, delivering consistent circuit protection for distribution panels and motor control centers.
• Simple replacement, broad applicability: A practical choice when upgrading or replacing aging or faulty breakers in existing Square D installations.

Use cases and practical applications

• Protect single‑phase branch circuits in factory panelboards and control panels without changing the overall system design.
• Replace worn or damaged breakers in OEM equipment that relies on Square D QOB breakers for reliable operation.
• Integrate into newly built equipment where a compact, single‑pole 15A solution is required for safe, compliant distribution wiring.
• Maintain safe operation in motor control centers by providing targeted protection for individual loads and circuits.

Why choose the QOB1115 for your project

• Compatibility and reliability: Engineered to work with Square D enclosures and the QOB family, reducing fit issues and ensuring predictable performance.
• Clear protection for the right circuits: Precisely matched to single‑phase loads that require dedicated overcurrent protection at 120VAC.
• Operational confidence in demanding environments: Built to support industrial and commercial deployments where downtime and equipment damage are costly.

Installation and best practices

For best results, pair the QOB1115 with corresponding Square D panel components designed for QOB breakers. Before installation, verify system voltage and circuit requirements, ensure power is disconnected, and follow standard electrical safety practices. If you’re upgrading legacy gear or configuring a new panel center, this 1‑pole 15A breaker offers a straightforward, dependable solution for safeguarding personnel and equipment.

Ready to secure reliable protection for your 120VAC circuits? The Square D QOB1115 delivers focused, industry‑grade circuit protection that integrates smoothly into compatible Square D panels and motor control centers.