Square D QOM90VH - 90 A, 2-Pole Bolt-On Circuit Breaker | AmpState

The Square D QOM90VH is a 90A, 2-pole bolt-on molded case circuit breaker engineered for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Its secure bolt-on mounting delivers a rigid, vibration-resistant connection to the bus, minimizing the risk of loose contacts in demanding electrical environments. The built-in thermal-magnetic trip unit provides stable, repeatable protection by responding to overloads and short circuits with precise trips, helping safeguard wiring, devices, and downstream equipment.

Why choose the QOM90VH for your electrical panels

• 2-pole, 90A rating precisely protects two conductors and common feeders, making it suitable for 240V circuits and residential, commercial, or light industrial panel layouts.
• Bolt-on mounting delivers a solid, vibration-resistant connection to the bus, reducing movement and wear in panels located in vibration-prone or busy electrical rooms.
• Thermal-magnetic trip unit combines thermal overload protection with magnetic instantaneous trip for short circuits, providing predictable protection performance across a range of temperatures.
• OEM panel compatibility designed to work with matching Square D OEM load centers and panelboards, ensuring straightforward replacements and consistent electrical performance.

Ideal use cases

• Panel upgrades and replacements in existing systems where reliability and consistent trip characteristics matter.
• Residential sub-panels and light commercial distribution where a rugged, bolt-on solution is preferred for long-term serviceability.
• New installations in mechanical rooms, office suites, or light industrial spaces that require robust branch-circuit protection with simple maintenance access.

Technical snapshot

• Manufacturer: Square D
• Part number: QOM90VH
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 90 A
• Number of poles: 2
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection in panelboards/load centers

With the Square D QOM90VH, you get a dedicated protection device that aligns with standard panel configurations while offering dependable performance in a compact, serviceable package. Whether you’re stocking spares for a service fleet or planning a panel upgrade, this 90A, 2-pole bolt-on breaker helps you maintain safe, continuous operation across residential, commercial, and light industrial settings.