Square D QOB130 - 30A, 1-Pole, Circuit Breaker

Engineered for demanding environments, the Square D QOB130 delivers dependable overcurrent protection in a compact 30A, 1-pole package. Designed for panelboards, switchboards, and control panels, this breaker is built to support industrial, commercial, and OEM applications where safe operation and uptime matter most.

Key specifications at a glance

• Current rating: 30A
• Poles: 1-Pole
• Breaker type: Circuit Breaker
• Designed for use in distribution panels, motor control centers, and control panels

What problems it solves

By providing precise overcurrent protection for single-phase circuits, the QOB130 helps prevent insulation damage and equipment downtime. Its 1-pole design fits neatly in restricted spaces while delivering reliable protection for circuits up to 30 amps, making it a practical choice for compact control and distribution environments.

Ideal use cases

• Protect single-phase feeders in panelboards and switchboards
• Motor control centers that operate up to 30A per circuit
• OEM equipment enclosures requiring dependable 30A protection

Why choose Square D QOB130

• Trusted Square D engineering delivers consistent protection and performance
• Part of the QOB family for cohesive integration with Square D components
• Rugged construction suited for industrial and commercial environments
• Straightforward replacement option for existing 1-pole, 30A protection in distribution panels

Whether you’re upgrading a panel, stocking OEM kits, or outfitting a control room, the Square D QOB130 30A 1-Pole Circuit Breaker provides targeted protection, easy integration, and reliable operation in demanding electrical systems.