Square D QOB130GFI - 30 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState

When you’re wiring for safety and reliability, the Square D QOB130GFI stands out as a purpose-built solution for protecting your electrical backbone. This 30-amp, 120-volt, 1-pole bolt-on molded-case circuit breaker is designed to guard branch circuits in panelboards and load centers with consistent, dependable performance you can count on day after day.

• Secure bolt-on mounting delivers a rigid, vibration-resistant bus connection that stays tight through normal panel activity, reducing the risk of loose connections over time.
• Thermal-magnetic trip unit provides stable, repeatable protection: the thermal element handles sustained overloads while the magnetic element responds quickly to short circuits, helping minimize conductor damage and equipment failure.
• OEM-compatible design is built to install with matching Square D load centers and panelboards, simplifying replacements and replacements-only maintenance in existing electrical systems.
• Versatile for multiple settings—well suited for residential, commercial, and light industrial applications that require reliable 30A, 120V protection on a single pole.
• Single-pole, 30A protection is ideal for controlling individual circuits within a broader electrical distribution, providing targeted protection where it’s most needed.

Technical snapshot

• Manufacturer: Square D
• Part Number: QOB130GFI
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 30 A
• Voltage Rating: 120 V
• Number of Poles: 1
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection in panelboards and load centers

Who should consider this breaker? electricians, facility managers, and property owners who rely on Square D panels and demand a dependable, easy-to-install solution for safeguarding individual circuits. It’s particularly useful when you’re upgrading an aging panel or replacing a failed breaker in a compatible system, ensuring consistent trip behavior and a solid physical connection that resists vibration and loosening over time.

Practical tips for deployment

• Confirm compatibility with your panelboard or load center before installation. This model is designed for bolt-on mounting in compatible Square D enclosures.
• Power down the equipment and follow safe lockout/tagout practices prior to replacement or installation.
• Tighten connections to secure the bus link and maintain reliable electrical performance, following manufacturer torque guidelines for your specific panel.
• Use this 30A, 120V breaker's single-pole configuration for individual branch circuits that require precise protection against overcurrent and short circuits.

Choose the Square D QOB130GFI for a focused, durable approach to circuit protection that aligns with your existing Square D infrastructure. Available through AmpState, it’s a straightforward path to restoring safe, reliable power distribution in your building.