Square D QOB130VH - 30 A, 120 V, 1-Pole Bolt-On Circuit Breaker | AmpState

Meet the Square D QOB130VH 30A, 120V, 1-Pole Bolt-On Circuit Breaker—the trusted protection your panelboard or load center relies on. Engineered for dependable branch circuit overcurrent and short-circuit protection, this molded case breaker is built to stand up to real-world use in residential, commercial, and light industrial environments.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection for reliable operation and easier service in crowded panel spaces.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining a thermal element for overload protection with an instantaneous magnetic trip for short circuits.
• OEM-compatible design is engineered to pair with matching Square D OEM load centers and panelboards, helping ensure proper fit, electrical performance, and straightforward replacement.
• Versatile applications suited for a range of settings—residential wiring upgrades, commercial panel renovations, and light-industrial circuits requiring solid protection at 30A.

Why this matters

Choosing the QOB130VH means you’re getting a purpose-built protective device that stays dependable through heat cycles, vibrations, and daily electrical demands. The bolt-on style minimizes loose connections and panel movement over time, while the thermal-magnetic trip mechanism provides predictable behavior—tripping quickly on a short circuit and smoothly on overloads, reducing nuisance trips and downtime.

Technical snapshot

• Manufacturer: Square D
• Part number: QOB130VH
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 30A
• Voltage rating: 120V
• Number of poles: 1
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal for professionals and savvy DIYers who value precise protection, straightforward installation, and long-lasting performance in panel upgrades or new installations. Pair the QOB130VH with the corresponding Square D panels to ensure a seamless, code-compliant protection solution for your electrical system.