{"product_id":"siemens-qj3b200a02-circuit-breaker","title":"Siemens | QJ3B200A02 | Circuit Breaker | 200A | 3-Pole | 240V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eWhen your electrical system demands robust, reliable protection for a three‑phase 240V load, the Siemens QJ3B200A02 Circuit Breaker delivers. This 200A, 3‑pole, bolt‑on device is engineered for durable performance in maintenance, retrofit, and replacement projects where exact specifications matter—and the part number is your most reliable reference for compatibility.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 200A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt‑On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility reminder:\u003c\/strong\u003e Part number QJ3B200A02 is the best reference for ensuring a proper fit and ratings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens breaker stands out\u003c\/h3\u003e\n\u003cp\u003eThe bolt‑on design provides a secure mechanical connection that simplifies installation in compatible panels, making service and future upgrades smoother. Built to handle demanding three‑phase mains, this breaker helps protect feeders and equipment against overloads with precise coordination to Siemens’ QJ series standards. It’s a smart choice when you’re upgrading an aging panel, retrofitting to support higher loads, or replacing a failed unit with a like‑for‑like specification.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and replacement in commercial or light industrial panels that require a solid 200A, 3‑pole protection solution.\u003c\/li\u003e \u003cli\u003eRetrofits where existing Siemens equipment calls for a bolt‑on 240V, 200A breaker to maintain electrical safety and code compliance.\u003c\/li\u003e \u003cli\u003ePanel upgrades that need consistent, compatible components to minimize downtime and sensor\/feeder disruption.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow it fits into your project\u003c\/h3\u003e\n\u003cp\u003eIf you’re upgrading distribution capacity or restoring panel functionality after a routine service, this QJ3B200A02 breaker ensures you’re selecting a device designed for the exact electrical characteristics of your system. Always confirm fit and ratings before ordering—the part number is the most reliable compatibility guide, and Siemens panels that support bolt‑on QJ breakers typically align with this specification.\u003c\/p\u003e \u003ch3\u003ePractical tips for a smooth install\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMatch the panel model and bus configuration to confirm bolt‑on compatibility with 200A, 3‑pole devices.\u003c\/li\u003e \u003cli\u003eKeep a spare QJ3B200A02 on hand for rapid replacements in critical service applications.\u003c\/li\u003e \u003cli\u003eDocument the upgrade with the part number and panel model for future maintenance and inspections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427418230946,"sku":"QJ3B200A02","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-qj3b200a02-circuit-breaker-200a-3-pole-240v-bolt-253.webp?v=1789720374","url":"https:\/\/www.ampstate.com\/products\/siemens-qj3b200a02-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}