Siemens F3B080 80A 3-Pole Circuit Breaker

Introducing the Siemens F3B080 80A 3-Pole Circuit Breaker — a dependable, three-phase protection device designed to keep power distribution clean and safe in Siemens-compatible panels. With a clear Part Number F3B080, this breaker is easy to identify for replacements and maintenance, minimizing downtime and ensuring your system stays protected when it matters most.

Key specifications

• Current rating: 80 A
• Pole count: 3 (three-pole design for three-phase circuits)
• Part Number: F3B080
• Brand: Siemens
• Application: protection for three-phase circuits in compatible Siemens panels and distribution setups

Why this 3-pole breaker matters

• Balanced protection across all three phases reduces the risk of unbalanced loads and phase-to-phase faults.
• Quick interruption of fault currents helps limit equipment damage and downtime in motor drives, compressors, and other 3-phase equipment.
• Designed to integrate with Siemens electrical infrastructure for reliable performance and straightforward replacement.

Ideal use cases

• Three-phase motors and drives in manufacturing floors, HVAC systems, and processing lines.
• Power feeders and distribution panels in commercial spaces where 3-phase protection is required.
• Panel upgrades or maintenance projects that require a compatible, like-for-like Siemens breaker.

Placement, compatibility, and installation notes

• Ensure your panel accepts 3-pole, 80 A breakers of the F3B family; verify the fit before purchasing.
• Use only in panels and distribution setups designed to accommodate Siemens F3B080 or equivalent breakers.
• Follow local electrical codes and Siemens installation guidelines; if unsure, consult a licensed electrician.

Maintenance and care

• No routine maintenance required; however, monitor for trip events and inspect for signs of wear or damage during inspections.