Siemens LNG3B120 1200A 3-Pole 600 V Circuit Breaker

Meet the Siemens LNG3B120 1200A 3-Pole 600 V Circuit Breaker — a robust protective device engineered for heavy-load, three-phase power networks. With Part Number LNG3B120 clearly identified, this breaker is built to guard your critical equipment against overloads and faults in demanding industrial environments.

Designed for three-phase systems up to 600 V, the LNG3B120 delivers reliable protection for feeders that power large motors, transformers, and distribution panels. Its 3-pole configuration ensures all three phases disconnect together, preventing dangerous imbalances and reducing risk during fault conditions.

• Three-pole protection provides synchronized disconnection of all phases, enhancing safety and minimizing damage from phase-to-phase faults.
• High-current capability with a continuous rating up to 1200 A, making it suitable for heavy-load applications in industrial environments.
• 600 V operating range optimized for industrial power distribution, delivering dependable performance in demanding electrical systems.
• Reliable Siemens engineering backed by a legacy of durable, mission-critical protection devices, designed to work seamlessly with LNG-series gear and standard distribution panels.
• Clear identification by Part Number LNG3B120, simplifying procurement, replacement, and maintenance planning.
• Versatile integration ideal for data centers, manufacturing lines, large HVAC and power distribution setups where robust, coordinated protection is essential.
• Safety and resilience contributes to safer shutdowns and reduced downtime by providing dependable overcurrent protection for three-phase circuits.

This Siemens LNG3B120 solution is purpose-built for professionals stocking reliable, long-life protection in three-phase distributions. When upgrading or organizing spare parts for heavy-duty panels, choose the LNG3B120 to ensure consistent performance, compatibility with Siemens equipment, and straightforward maintenance. Always ensure proper installation by a qualified electrician and confirm compatibility with your specific panel and bus configuration.