Square D QHB230 - 30 A, 240 V, 2-Pole Bolt-On Circuit Breaker | AmpState

The Square D QHB230 is a dependable 2-pole bolt-on molded case circuit breaker engineered for reliable 30 A, 240 V protection in panelboards and load centers. Designed to safeguard branch circuits and prevent costly electrical faults, this breaker is a smart choice for both new installations and panel upgrades.

• Secure bolt-on mounting: delivers a rigid, vibration-resistant bus connection that stays aligned under real-world conditions, reducing the risk of loose contacts over time.
• Thermal-magnetic trip unit: provides stable, repeatable protection performance, with fast short-circuit response and controlled, predictable trips for everyday reliability.
• 2-pole, 30A, 240V configuration: ideal for protecting 240V two-hot-line circuits and feeders, with clear, straightforward operation in residential, commercial, and light industrial setups.
• OEM panel compatibility: engineered to pair with matching Square D OEM load centers and panelboards, ensuring proper fit, alignment, and consistent trip characteristics.
• Versatile application: suitable for a range of 240V branch circuits, including lighting feeders, receptacle circuits, and motor loads up to 30A in homes, offices, and light industrial environments.

Technical specifications

• Manufacturer: Square D
• Part Number: QHB230
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 30A
• Voltage Rating: 240V
• Number of Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Why this breaker stands out: it combines a rugged bolt-on installation with a precise thermal-magnetic trip profile, delivering dependable protection where panelboard reliability matters most. The design focuses on clean bus connections and predictable behavior, helping you avoid nuisance trips while still stopping faults quickly. If you’re updating a panel or stocking spare parts for maintenance, the QHB230 offers a durable, compatible solution that aligns with Square D OEM systems for consistent performance across your electrical infrastructure.