Siemens | QJ3B200H | Circuit Breaker | 200A | 3-Pole | 240V

Siemens QJ3B200H Circuit Breaker is a rugged 200A, 3-pole protection unit designed for 240V electrical systems. Built to meet the demanding needs of maintenance, retrofit, and replacement projects, this breaker offers a precise, reliable way to safeguard large loads and critical circuits in commercial and industrial panels. Key details at a glance - Amperage: 200A - Poles: 3-Pole - Voltage: 240V - Part number: QJ3B200H Why this breaker stands out - Exact compatibility you can trust: The part number QJ3B200H is the clearest reference for a proper fit and rating. Confirming the match before ordering helps ensure seamless replacement in your Siemens panel. - Three-pole reliability for balanced protection: With three hot legs, this unit ensures simultaneous disconnection across all phases, enhancing safety and shutdown clarity in 240V three-phase applications. - Siemen’s design for demanding environments: Engineered for dependable performance in service entrances, feeders, and motor circuits, it delivers consistent protection where high-current reliability matters. Ideal use scenarios - Retrofit projects: Replace aging or failed breakers in 240V, 3-phase panels without compromising system integrity. - Replacement in Siemens ecosystems: When your panel and protective strategy rely on Siemens QJ3-series architecture, QJ3B200H provides a direct, compatible upgrade. - High-load protection: Suitable for circuits or feeders demanding a solid 200A interrupt capability in industrial equipment, commercial facilities, and processing lines. What to verify and how this helps you decide - Fit and ratings first: Always confirm that the QJ3B200H matches your panel’s model and the circuit’s load requirements before purchasing. The part number is the most reliable reference for compatibility. - Clear, straightforward replacement path: Using the exact part number minimizes guesswork, reduces downtime, and keeps your electrical protection aligned with existing safety and commissioning documentation. Practical guidance for installers - Plan for a professional installation to ensure proper seating, secure connections, and correct alignment with your Siemens panel’s bus configuration. - Have a spare on hand for critical maintenance windows, ensuring fast swap-out if a primary breaker trips or fails during operation. Siemens QJ3B200H delivers a precise, reliable 200A, 3-pole 240V protection solution tailored for maintenance, retrofit, and replacement needs. It’s the smart, compatible choice when you require exact specs, consistent performance, and a seamless fit within your Siemens electrical infrastructure.