{"product_id":"siemens-hld63b350-circuit-breaker","title":"Siemens | HLD63B350 | Circuit Breaker | 350A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens HLD63B350 circuit breaker is a robust solution for safeguarding 600V three-phase power in industrial panels. This 350A, three-pole unit is designed for maintenance, retrofit, and replacement projects where exact specs matter.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specs at a glance\u003c\/strong\u003e\u003c\/p\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\u003ePart number\u003c\/strong\u003e: HLD63B350\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe HLD63B350 shines in environments that demand dependable, high-current protection for 3-phase systems. Built to integrate with Siemens panels and distribution gear, this breaker helps you maintain electrical safety and minimize downtime when loads surge or faults occur.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and service upgrades on 600V, three-phase installations.\u003c\/li\u003e \u003cli\u003eDirect replacements or retrofits in Siemens-compatible gear without altering downstream equipment.\u003c\/li\u003e \u003cli\u003eNew or upgraded motor feeder circuits and heavy equipment controllers that require 350A protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy choose this Siemens breaker\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eExact compatibility: The HLD63B350 is the best reference for matching Siemens replacements; confirm fit and ratings before ordering to avoid compatibility issues.\u003c\/li\u003e \u003cli\u003eHigh-current capability: 350A capacity suits demanding loads such as motors, compressors, and other industrial drive equipment.\u003c\/li\u003e \u003cli\u003eThree-pole, 600V design: Specifically engineered for three-phase distribution in industrial environments, helping protect both equipment and personnel.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical notes for procurement and installation: ensure the panel and bus configuration align with the HLD63B350’s mounting and electrical characteristics. Keep the original part number handy as your primary reference when verifying compatibility, and have a qualified technician confirm ratings and safe installation practices before energizing the system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427484815522,"sku":"HLD63B350","price":24325.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hld63b350-circuit-breaker-350a-3-pole-600v-842.webp?v=1789729700","url":"https:\/\/www.ampstate.com\/products\/siemens-hld63b350-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}