{"product_id":"siemens-hhlxd63b400-circuit-breaker","title":"Siemens | HHLXD63B400 | Circuit Breaker | 3-Pole | Bolt-On","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered by Siemens, the HHLXD63B400 Circuit Breaker is a robust 3-Pole bolt-on unit designed for dependable protection of three-phase power systems. It excels in maintenance, retrofit, and replacement projects where alignment with existing specs matters most.\u003c\/p\u003e \u003ch3\u003ePrecise compatibility and installation you can trust\u003c\/h3\u003e\n\u003cp\u003eWith the part number HHLXD63B400 as your primary reference, this breaker fits compatible Siemens panels and configurations that require a 3-Pole bolt-on device. Before you order, confirm the exact fit and ratings for your panel to ensure proper protection and electrical performance.\u003c\/p\u003e \u003ch3\u003eWhy this 3-Pole Bolt-On design stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eSecure bolt-on mounting for a solid mechanical connection, reducing vibration and loosening in challenging environments.\u003c\/li\u003e \u003cli\u003eThree-pole configuration provides balanced protection across all three phases in typical 3-phase systems.\u003c\/li\u003e \u003cli\u003eDesigned to streamline maintenance and replacements, letting technicians swap in the exact Siemens unit quickly without reconfiguring downstream wiring.\u003c\/li\u003e \u003cli\u003eTrusted Siemens build quality ensures consistent performance, reliability, and predictable trip behavior when protection is needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cp\u003e• Retrofit older panels to modern protection standards in manufacturing lines, HVAC installations, or commercial power distribution. \u003cbr\u003e• Replace failed or aging breakers in existing Siemens installations that require a 3-pole bolt-on solution. \u003cbr\u003e• Pair with motor control centers or panel boards where three-phase protection is essential for motors, drives, and power circuits.\u003c\/p\u003e \u003ch3\u003ePractical guidance for deployment\u003c\/h3\u003e\n\u003cp\u003eTo maximize safety and performance, follow standard electrical practices: disconnect power before handling, verify the breaker’s ratings align with your system’s voltage and current requirements, and install per Siemens installation guidelines. The 3-Pole bolt-on configuration provides straightforward alignment within compatible panels and supports secure, durable operation over time.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eSiemens reliability you can count on\u003c\/strong\u003e — the HHLXD63B400 is a purpose-built solution for professionals who need dependable circuit protection that aligns with existing equipment, minimizes downtime, and simplifies replacement tasks.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427076427938,"sku":"HHLXD63B400","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a0994f42-7fad-49d1-911a-c2784022b8c9.png?v=1765492979","url":"https:\/\/www.ampstate.com\/products\/siemens-hhlxd63b400-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}