{"product_id":"siemens-qj3b200h-circuit-breaker","title":"Siemens | QJ3B200H | Circuit Breaker | 200A | 3-Pole | 240V","description":"\u003cdiv\u003eSiemens 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\n- Amperage: 200A\n- Poles: 3-Pole\n- Voltage: 240V\n- Part number: QJ3B200H Why this breaker stands out\n- 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.\n- 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.\n- 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\n- Retrofit projects: Replace aging or failed breakers in 240V, 3-phase panels without compromising system integrity.\n- Replacement in Siemens ecosystems: When your panel and protective strategy rely on Siemens QJ3-series architecture, QJ3B200H provides a direct, compatible upgrade.\n- 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\n- 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.\n- 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\n- Plan for a professional installation to ensure proper seating, secure connections, and correct alignment with your Siemens panel’s bus configuration.\n- 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.\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427418198178,"sku":"QJ3B200H","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qj3b200h-circuit-breaker-200a-3-pole-240v-782.webp?v=1789720366","url":"https:\/\/www.ampstate.com\/products\/siemens-qj3b200h-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}