Siemens | LGB3K080B | Circuit Breaker | 80A | 3-Pole | 600V

Introducing the Siemens LGB3K080B Circuit Breaker — a purpose-built solution for protecting 3‑phase electrical systems with precision and reliability. This 3‑pole unit delivers 80 amps of protection for demanding industrial and commercial applications, with a robust 600V rating to safeguard equipment and personnel in everyday operation and during fault conditions.

Why this breaker stands out

• Exact part match for compatibility — the LGB3K080B part number is your best reference when matching breakers for maintenance, retrofit, or replacement projects, minimizing fit issues and downtime.
• 3‑pole design for 3‑phase protection — designed to secure complex 3‑phase circuits in one compact device, simplifying panel layouts and serviceability.
• 600V maximum rating — suitable for a wide range of industrial and commercial distribution systems, providing dependable interruption performance when it matters most.
• 80A current rating — appropriately sized to protect high‑load feeders while reducing the risk of nuisance trips when installed with correct circuit sizing.
• Maintenance, retrofit, and replacement ready — engineered to integrate seamlessly into existing Siemens panels and setups, helping you complete service work quickly and accurately.

Ideal use cases

• Maintenance swaps: replace aged or failed breakers in Siemens-compatible panels with an exact match.
• Retrofits: upgrade protection for upgrades to 3‑phase equipment or increased load demands.
• Repairs and replacements: keep spare parts on hand for fast service calls and minimized downtime.

How to ensure you’re ordering the right part

Always confirm fit and ratings before ordering. The part number LGB3K080B is the most reliable reference for compatibility, ensuring you get the correct 80A, 3‑pole, 600V breaker for your specific panel or distribution setup.

Specifications at a glance

• Amperage: 80A
• Poles: 3‑Pole
• Voltage: 600V