{"product_id":"siemens-hhlxd63b350l-circuit-breaker","title":"Siemens | HHLXD63B350L | Circuit Breaker | 350A | 3-Pole | 600V | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens HHLXD63B350L\u003c\/strong\u003e is a high-capacity bolt-on circuit breaker designed for robust protection in demanding industrial and commercial electrical systems. With a 350A rating, this 3-pole, 600V device is built to handle three-phase power distribution and service reliability during retrofit, maintenance, or replacement projects.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 350A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Bolt-On\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HHLXD63B350L\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes this breaker stand out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePrecisely matched to Siemens panels and bus systems, ensuring dependable protection when upgrading or replacing aging equipment.\u003c\/li\u003e \u003cli\u003eBolt-On mounting delivers a secure, solid connection to the bus bars, reducing the risk of loose contacts in demanding environments.\u003c\/li\u003e \u003cli\u003eDesigned for maintenance, retrofit, and replacement scenarios where exact specifications matter, minimizing compatibility surprises in the field.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eThree-phase power distribution in industrial facilities, manufacturing lines, and large commercial buildings.\u003c\/li\u003e \u003cli\u003eUpgrading service panels or motor control centers that require a 350A, 3-pole, 600V bolt-on breaker.\u003c\/li\u003e \u003cli\u003eRetrofits where downtime is minimized and matching the existing panel’s specifications is critical.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation notes\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e Confirm fit and ratings before ordering. The part number is the best reference for compatibility. Use this breaker where the panel label or documentation references HHLXD63B350L or bolt-on 3P 350A 600V protection.\u003c\/p\u003e \u003ch3\u003ePractical benefits and outcomes\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReliable overcurrent protection for large, three-phase loads such as motors, pumps, and processing equipment—helping prevent electrical fires and equipment damage.\u003c\/li\u003e \u003cli\u003eSeamless integration with Siemens electrical ecosystems, simplifying maintenance and future expansions.\u003c\/li\u003e \u003cli\u003eClear, durable labeling and traceability support quick repairs and audits in industrial environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCare and maintenance tips\u003c\/h3\u003e\n\u003cp\u003eRegularly inspect for signs of wear, ensure mounting hardware remains tight, and replace any device showing damaged label or degraded trip indicators. When in doubt, consult the panel manufacturer’s guidelines to maintain safety compliance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427076460706,"sku":"HHLXD63B350L","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hhlxd63b350l-circuit-breaker-350a-3-pole-600v-bolt-475.webp?v=1789668922","url":"https:\/\/www.ampstate.com\/products\/siemens-hhlxd63b350l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}