Square D QHB230 - 30A, 2-Pole, Circuit Breaker

Discover reliable overcurrent protection with the Square D QHB230, a 30A, 2-Pole circuit breaker designed to keep critical electrical systems safe in demanding environments. Built to perform in panelboards, switchboards, and control panels, this device delivers dependable interruption of fault currents and smooth operation across diverse applications.

Why the QHB230 stands out

• Two-pole configuration for simultaneous protection of both conductors in 240V circuits, enhancing safety and reducing the risk of undetected faults.
• 30-amp rating provides robust protection for branch circuits, motor controls, and distribution feeders without unnecessary nuisance tripping in everyday operation.
• Versatile compatibility suitable for panelboards, switchboards, and control panels, giving you flexible integration across industrial, commercial, and OEM settings.
• Trusted Square D quality engineered for consistent performance in harsh environments, supporting long service life in distribution panels and motor control centers.

Ideal use cases

This 2-Pole circuit breaker shines in industrial and commercial power distribution where reliable protection is critical. Use it in:

• Distribution panels and motor control centers to safeguard feeders and branch circuits
• Panelboards and switchboards requiring a compact, two-line protection device
• OEM assemblies needing a dependable 30A, two-pole solution integrated into custom control systems

Benefits and outcomes

Selecting the Square D QHB230 means you get precise, predictable trip behavior, reduced downtime from electrical faults, and a compact form factor that fits a range of enclosure designs. Its 2-Pole design minimizes risk by ensuring both hot conductors are interrupted together, protecting equipment and personnel while simplifying maintenance checks in busy control rooms.

Specifications at a glance

• Current rating: 30A
• Poles: 2-Pole
• Breaker type: Circuit Breaker
• Applications: panelboards, switchboards, and control panels; ideal for industrial, commercial, and OEM use

Installation and practical guidance

For best results, ensure the QHB230 is compatible with your enclosure and bus arrangement, and follow standard electrical safety practices during installation. This breaker is purpose-built for dependable performance in distribution panels and motor control centers, so pair it with appropriately rated components to maintain system integrity and safety.