Square D QOB3100VH - 100 A, 240 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the Square D QOB3100VH — a dependable 100 A, 240 V, 3-pole bolt-on molded case circuit breaker engineered to safeguard your panelboards and load centers with precision. Built for reliable branch circuit overcurrent and short-circuit protection, this unit is ready to stand up to the demands of modern electrical systems.

• 100 A, 240 V, 3-pole securely handles three-phase circuits, delivering robust protection where it’s most needed.
• Bolt-on mounting provides a rigid, vibration-resistant bus connection, reducing movement-related wear and ensuring stable operation in demanding environments.
• Thermal-magnetic trip unit delivers stable, repeatable protection performance, reacting quickly to overloads and short circuits to minimize damage to downstream equipment.
• OEM compatibility designed to be compatible with matching OEM loadcenters and panelboards, simplifying replacement and upgrades without sacrificing fit or function.
• Versatile in application ideal for residential, commercial, and light industrial settings where dependable protection and durable construction matter.

Why this breaker stands out

The QOB3100VH combines a rugged bolt-on design with a precise thermal-magnetic trip mechanism, delivering predictable response across a range of fault conditions. In panelboards and load centers where space is tight and reliability is non-negotiable, this unit’s secure mounting and proven protection performance help minimize nuisance trips and downtime.

Practical uses and scenarios

Use the QOB3100VH for upgrading aging distribution panels, replacing worn breakers, or configuring new installations in spaces requiring a 3-pole, 100 A protective device. It’s particularly well-suited for equipment racks, HVAC control circuits, commercial lighting feeders, and light industrial motor loads where a stable, three-phase protection solution is essential.

Technical snapshot

• Square D
• Part Number: QOB3100VH
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 100 A
• Voltage Rating:
240 V
• Number of Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Designed with the realities of real-world electrical systems in mind, the Square D QOB3100VH offers a practical, long-lasting solution for safeguarding circuits while maintaining straightforward maintenance and reliable performance. Whether you’re upgrading a panel, performing routine service, or installing equipment in a light industrial setting, this 3-pole bolt-on breaker delivers the protection you can trust.