{"product_id":"siemens-hhld63b450-circuit-breaker","title":"Siemens | HHLD63B450 | Circuit Breaker | 450A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens HHLD63B450 circuit breaker—a robust 450A, 3-pole protection device crafted for 600V three-phase systems. This part is designed to deliver dependable disconnect and overcurrent protection in demanding industrial environments, where uptime and safety are paramount.\u003c\/p\u003e \u003cp\u003eBuilt for maintenance, retrofit, and replacement projects, HHLD63B450 is the exact spec match you need when continuity matters. Its three-pole design ensures synchronized tripping and balanced protection across all phases, helping protect motors, drives, and feeders from fault conditions.\u003c\/p\u003e \u003ch3\u003eKey features and benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e450A capacity across three poles for high-demand circuits\u003c\/li\u003e \u003cli\u003eThree-pole configuration delivers coordinated protection in 3-phase systems\u003c\/li\u003e \u003cli\u003e600V maximum rating suitable for industrial power distribution and motor feeders\u003c\/li\u003e \u003cli\u003eExact-reference part number HHLD63B450 for reliable compatibility and quick sourcing\u003c\/li\u003e \u003cli\u003eIdeal for maintenance, retrofit, and replacement projects to minimize downtime\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing failed breakers in industrial panels that require a 450A, 3-pole, 600V device\u003c\/li\u003e \u003cli\u003eRetrofits during capacity upgrades or panel refurbishments in manufacturing lines\u003c\/li\u003e \u003cli\u003eSpare or service stock for electrical contractors working on Siemens-compatible switchgear\u003c\/li\u003e \u003cli\u003ePower distribution and motor feeder protection in warehouses, factories, and data centers operating on 600V systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eImportant compatibility note:\u003c\/strong\u003e Before ordering, confirm that your equipment requires 450A, 3-pole, 600V protection and that the enclosure accepts HHLD63B450. The part number is your best reference for compatibility.\u003c\/p\u003e \u003cp\u003eIn short, the Siemens HHLD63B450 is a purpose-built, exact-match replacement that protects your three-phase power with confidence, helping you keep critical operations running smoothly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427486355618,"sku":"HHLD63B450","price":20016.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hhld63b450-circuit-breaker-450a-3-pole-600v-821.webp?v=1789730056","url":"https:\/\/www.ampstate.com\/products\/siemens-hhld63b450-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}