Siemens | NFG3B200L | Circuit Breaker | 200A | 3-Pole | 600V

Protect your three‑phase power distribution with precision using the Siemens NFG3B200L circuit breaker. Engineered for demanding maintenance, retrofit, and replacement projects, this 200A, 3‑pole unit delivers reliable overcurrent protection at up to 600V, helping keep equipment and personnel safe in busy electrical environments.

• 200A current rating provides robust protection for high-demand feeders and motor circuits.
• 3‑pole design ensures balanced protection across all three phases of a 3‑phase system, reducing the risk of uneven load and phase faults.
• 600V maximum voltage rating makes it suitable for medium‑voltage distribution and general industrial applications.
• Part reference NFG3B200L is the best compatibility beacon—confirm fit and ratings before ordering to ensure a seamless swap.
• Maintenance, retrofit, and replacement ready—a dependable choice when upgrading or restoring critical electrical infrastructure with Siemens‑engineered reliability.

This Siemens circuit breaker is designed to integrate smoothly into systems that require rigorous protection without sacrificing ease of installation. Whether you’re refreshing an aging panel, retrofitting a distribution line, or replacing a worn component, the NFG3B200L delivers consistent performance under real‑world conditions. The 200A rating helps protect feeders and equipment from overloads, while the 3‑pole configuration supports balanced operation in three‑phase circuits, allowing for coordinated protection across all phases.

Key considerations to maximize value:

• Verify fit and ratings before purchasing—rely on the NFG3B200L part number as the primary compatibility reference.
• Assess system voltage to ensure the 600V rating aligns with your distribution environment and safety standards.
• Plan for maintenance compatibility—choose a breaker that aligns with your current panel design and replacement cadence to minimize downtime.
• Consult a licensed electrician when performing replacements in high‑risk or critical installations to ensure proper handling and code compliance.

Ideal for engineers and technicians overseeing industrial or commercial electrical systems, the Siemens NFG3B200L delivers a precise, reliable protection solution when a 200A, 3‑pole, 600V breaker is required. By leaning on the specific part number for compatibility and following best‑practice installation notes, you can streamline retrofits and replacements with confidence.