Square D QOB2801021 - 80 A, 2-Pole Bolt-On Circuit Breaker | AmpState

Meet the Square D QOB2801021 80A, 2-pole bolt-on molded case circuit breaker—a robust solution for reliable branch circuit protection in panelboards and load centers. Built by Square D and offered by AmpState, this unit is designed to withstand vibration and deliver consistent performance in demanding electrical environments.

Key advantages

• Secure bolt-on mounting: Provides a rigid, vibration-resistant bus connection that helps maintain electrical integrity in installations subject to movement or equipment vibration.
• Thermal-magnetic trip unit: Delivers stable, repeatable protection by combining long-term overload protection with fast magnetic response to short circuits.
• OEM compatibility: Designed to mate with matching OEM load centers and panelboards, simplifying replacement and maintenance in existing systems.
• Versatile application: Suitable for residential, commercial, and light industrial settings where dependable overcurrent and short-circuit protection is essential.

What’s inside: technical snapshot

• Manufacturer: Square D
• Part Number: QOB2801021
• Type: Thermal-magnetic molded case circuit breaker
• Amperage: 80A
• Poles: 2
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use scenarios

• Replacing a failed 80A, 2-pole breaker in residential panelboards where a stable, long-term protection is needed.

• Upgrading service panels in small to mid-size commercial spaces that require reliable protection for equipment with higher current draws.

• Light industrial setups where vibration resistance and consistent trip performance help minimize nuisance trips and downtime.

Why this breaks away from generic breakers

Unlike generic replacements, the Square D QOB2801021 is engineered for direct compatibility with OEM load centers and panelboards, reducing installation hassles and ensuring coordinated protection with other devices in the same electrical system. The bolt-on design improves physical stability, which is especially valuable in environments with equipment vibration or movement.

Whether you’re a professional electrician or a diligent homeowner tackling a panel upgrade, this 80A, 2-pole bolt-on breaker delivers precise protection and dependable operation when you need it most. Add it to your toolkit and keep your electrical system running smoothly with a trusted Square D solution from AmpState.