Siemens Q380H - 80 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState

Meet the Siemens Q380H—an 80 A, 240 V, 3-pole plug-in molded case circuit breaker designed to protect your panelboards and loadcenters with precision and ease. Built to handle everyday branch circuit overcurrent and short-circuit events, this device combines solid protection with straightforward installation, making it a dependable choice for residential, commercial, and light industrial applications.

• Fast plug-in connection for quick installation and hassle-free replacement, minimizing downtime during upgrades or troubleshooting.
• Thermal-magnetic trip unit delivers stable, repeatable protection by responding to both overloads and short circuits, helping to prevent nuisance trips and equipment damage.
• 3-pole, 80 A, 240 V design ideal for protecting 3-phase circuits and multi-wire branch circuits within panelboards and loadcenters.
• Compatibility engineered to work with matching OEM loadcenters and panelboards, ensuring seamless integration into existing electrical systems.
• Versatile application suited for residential, commercial, and light industrial environments where reliable overcurrent protection is essential.

The Q380H is more than just a breaker—it's a smart investment in panel reliability. Its plug-in form factor simplifies retrofits and replacements, so maintenance teams can swap units without special tools or complex wiring. The thermal-magnetic trip mechanism provides predictable protection curves, reducing the likelihood of unexpected trips while safeguarding connected equipment from damaging faults.

Key scenarios where the Siemens Q380H shines:

• Upgrading aging panels to modern, plug-in protection without extensive panel rewiring.
• Expanding capacity in existing panels to accommodate additional 3-phase equipment or new circuits.
• Replacing a failed breaker with a like-for-like Q380H to restore service quickly and safely.
• Protecting critical branch circuits in small commercial or light industrial setups where reliable, repeatable protection matters most.

Why choose this unit over alternatives? Because it pairs Siemens’ engineering with a practical form factor that aligns with standard panelboard ecosystems. With the Q380H, you get:

• A proven thermal-magnetic trip technology that reacts promptly to faults while preventing unnecessary interruptions.
• A plug-in design that reduces installation time and labor costs.
• Clear compatibility with Siemens and OEM loadcenters for a cohesive, safer electrical distribution system.

Technical snapshot for quick reference:

• Manufacturer: Siemens
• Part Number: Q380H
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 80 A
• Voltage Rating: 240 V
• Number of Poles: 3
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Choose the Siemens Q380H for reliable protection, efficient serviceability, and compatibility that keeps your electrical system running smoothly day after day.