Square D QO280 - 80 A, 240 V, 2-Pole Plug-In Circuit Breaker | AmpState

The Square D QO280 is a reliable, plug‑in molded case circuit breaker designed for dependable branch circuit protection in panelboards and load centers. At 80 A and 240 V, this 2‑pole unit delivers robust protection where you need it most, without sacrificing ease of installation.

Key advantages that set the QO280 apart

• Fast plug‑in connection for quick installation or rapid replacement, reducing downtime during upgrades or servicing.
• Thermal‑magnetic trip unit provides stable, repeatable protection performance—balancing smooth normal operation with rapid response to faults.
• OEM‑level compatibility designed to work with matching Square D OEM load centers and panelboards, ensuring a clean fit and reliable operation.
• Versatile for multiple environments suitable for residential, commercial, and light industrial applications where dependable overcurrent and short‑circuit protection matters.

Technical snapshot

• Manufacturer: Square D
• Part Number: QO280
• Type: Thermal‑magnetic molded case circuit breaker
• Amperage Rating: 80 A
• Voltage Rating: 240 V
• Number of Poles: 2
• Mounting Style: Plug‑in
• Application: Branch circuit overcurrent and short‑circuit protection

Who should consider the QO280

Electricians and property managers seeking reliable, straightforward protection for 2‑pole 80 A circuits will appreciate the QO280’s plug‑in design and solid performance. It’s ideal for upgrading aging panels or stocking spare breakers for panelboards and load centers that require matching OEM components. Its compatibility and quick replacement capability help minimize panel downtime and ensure continued protection of critical electrical circuits.

Practical use cases and tips

• Use in residential panels to protect major 240 V circuits such as electric water heaters, large air conditioning units, or base‑load circuits that require 80 A protection.
• Great for commercial or light industrial panels where fast replacement can minimize equipment downtime.
• When replacing a damaged or worn breaker, confirm the panelboard is compatible with the QO280 to maintain proper fit and labeling.
• Store spare QO280 breakers on hand for quick servicing during scheduled maintenance or after a fault event, keeping your electrical system running with minimal interruption.

With the Square D QO280, you’re choosing a trusted, plug‑in solution that blends ease of installation with dependable protection. If you’re updating your panelboard or stocking up for future service needs, this 80 A, 240 V, 2‑pole breaker from AmpState delivers clarity, compatibility, and consistent performance when it matters most.