Square D QOB120VHGFI - 20 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState

Secure peace of mind for branch circuit protection with the Square D QOB120VHGFI — a 20 A, 120 V, 1-pole bolt-on molded case circuit breaker designed for dependable overcurrent and short-circuit protection in panelboards and loadcenters. This compact, rugged device is built for residential, commercial, and light industrial environments where reliability matters.

• Secure bolt-on mounting: Provides a rigid, vibration-resistant bus connection that stays seated even in installations with movement or equipment-induced vibration.
• Thermal-magnetic trip unit: Combines precise thermal overload protection with instantaneous magnetic tripping, delivering stable, repeatable protection without nuisance trips.
• OEM-compatible: Engineered to fit with matching Square D OEM loadcenters and panelboards for seamless electrical integration and consistent performance.
• Versatile 1-pole protection: Perfect for feeding individual branch circuits in homes or small commercial panels, including lighting, outlets, and small equipment circuits.

Technical specifications

• Manufacturer: Square D
• Part Number: QOB120VHGFI
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 20 A
• Voltage Rating: 120 V
• Number of Poles: 1
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use scenarios

• Residential panelboards requiring reliable 20 A protection for individual circuits such as lighting runs or sump pump circuits
• Small commercial loadcenters where a durable, vibration-resistant bolt-on breaker helps maintain consistent electrical performance
• Environments with equipment vibration or movement where a secure bolt-on connection minimizes the risk of bus-bar looseness

With the Square D QOB120VHGFI, you get a thoughtfully engineered solution that pairs precise protection with straightforward installation. Its thermal-magnetic trip ensures predictable response to faults, while bolt-on mounting delivers lasting stability in a wide range of settings. Choose this breaker for a reliable, OEM-compatible protection option that aligns with your panelboard family and keeps circuits safe and compliant.