Siemens | EF3B080L | Circuit Breaker | 80A | 3-Pole | 600V

Siemens EF3B080L is a 3-pole circuit breaker with an 80-amp rating designed for 600-volt electrical systems. Built for maintenance, retrofit, and replacement projects, this unit delivers reliable protection in industrial and commercial panels where exact specifications matter.

Key specifications and fitment

• Amperage: 80A
• Poles: 3-Pole
• Voltage: 600V
• Part number: EF3B080L
• Best reference for compatibility: use the part number to verify fit

Why this Siemens EF3B080L stands out

• Exact-match compatibility: The EF3B080L part number is the most reliable reference for ensuring correct mounting, electrical ratings, and protective behavior in Siemens panels.
• Reliable performance for demanding environments: Built to support ongoing protection in maintenance, retrofit, and replacement scenarios within industrial and commercial settings.
• Streamlined retrofit option: An ideal choice when upgrading aging distribution systems or replacing worn components, minimizing downtime and preserving system integrity.
• Clear, straightforward ordering: Choosing EF3B080L aligns with Siemens’ distribution hardware and safety standards, simplifying procurement and installation.

Practical use cases

• Three-phase motor feeders in manufacturing lines that require solid protection at 80A.
• Commercial or light-industrial panel upgrades where a 3-pole, 600V solution is needed.
• System maintenance and retrofits within existing Siemens-based electrical distributions.

Before you buy

Confirm fit and ratings before ordering. The part number EF3B080L is the most reliable reference for compatibility with your panel or equipment. If your system relies on Siemens EF3B-series breakers, this 3-pole, 80A, 600V unit is designed to integrate with your existing setup.