Siemens | LGG3B080L | Circuit Breaker | 80A | 3-Pole | 600V | 65kA | Feed-Through

Upgrade your electrical distribution with the Siemens LGG3B080L Circuit Breaker — an 80A, 3-Pole device built for reliable protection in 600V systems. With a robust 65 kA interrupting rating and a convenient feed-through configuration, this breaker is designed to handle demanding fault currents while simplifying downstream wiring in retrofit and maintenance projects.

• Amperage: 80 A
• Poles: 3-Pole
• Voltage rating: 600 V
• Interrupting capacity: 65 kA at 600 V
• Configuration: Feed-Through

Why this Siemens LGG3B080L stands out

Designed for exact compatibility in Siemens panel systems, the LGG3B080L is the go-to choice when replacement accuracy matters. The three-pole configuration provides balanced protection across all phases, and the feed-through design facilitates efficient distribution to downstream circuits without needing extra adapters. With a high 65 kA interrupting capacity, it offers a clear margin for safety in environments with elevated fault currents, helping protect downstream equipment and reduce downtime.

Ideal use cases and applications

• Retrofit projects where you need an exact LGG3B080L replacement to match existing wiring and clearance
• Maintenance and service upgrades in commercial or light industrial panels requiring reliable three-phase protection
• New installations in panels or switchboards that demand a proven, feed-through circuit protection solution

Practical guidance for installation and compatibility

Before purchasing, confirm fit and ratings to ensure seamless integration with your panel. The part number LGG3B080L serves as the most reliable reference for compatibility—use it to verify the exact form factor and mounting requirements in your Siemens ecosystem. For best results, have a qualified electrician review panel specifications, bus configuration, and downstream load requirements to maximize protection and reliability.

What problems this solves

• Prevents overloads and short circuits across three phases, safeguarding motors, transformers, and feeders
• Makes downstream wiring straightforward with feed-through lugs, reducing installation time and wiring complexity
• Offers strong fault-current handling (65 kA) to minimize equipment damage during abnormal conditions