{"product_id":"siemens-hmxd63b500h-500a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens HMXD63B500H - 500 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003eSieme ns HMXD63B500H is a 500A, 600V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. Available through AmpState, this unit combines Siemens reliability with a robust bolt-on mounting for a solid, vibration-resistant bus connection in demanding electrical environments. \u003ch2\u003eWhy the Siemens HMXD63B500H stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e: offers a rigid, vibration-resistant bus connection that stays aligned and secure in panels with heavy feeders or busy electrical loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: delivers stable, repeatable overload protection with a fast magnetic response for short circuits, helping prevent damage and downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design (3P)\u003c\/strong\u003e: ideal for balanced protection in three-phase systems common in commercial and light industrial installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh current rating\u003c\/strong\u003e: 500A continuous rating protects large feeders and distribution circuits without nuisance trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e600V operating voltage\u003c\/strong\u003e: suitable for typical industrial panel environments and compatible with standard panelboard configurations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e: engineered to pair with matching Siemens OEM load centers and panelboards for seamless replacements and consistent protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e: suitable for residential, commercial, and light industrial settings where robust protection and reliable performance are essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical specs at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e HMXD63B500H\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage Rating:\u003c\/strong\u003e 500A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e Bolt-on\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases and practical benefits\u003c\/h2\u003e\n\u003cp\u003eIn residential, commercial, and light industrial panelboards, the HMXD63B500H provides a reliable first line of defense against overloads and short circuits. Its bolt-on design is especially beneficial in installations where vibration, heavy cabling, or panel enclosure movement could compromise connection integrity. The 3-pole configuration supports standard three-phase power distribution, making it a sensible choice for service panels, subpanels, and control cabinets. When you need a dependable, code-compliant protection device that reduces maintenance and protects valuable equipment, this Siemens breaker is built to deliver.\u003c\/p\u003e \u003ch2\u003ePractical tips for installation and long-term performance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eEnsure the panel or load center is rated for 600V and 500A to match the HMXD63B500H specifications.\u003c\/li\u003e \u003cli\u003eVerify clean, undamaged bus bars and proper torque on mounting hardware to maintain the benefits of secure bolt-on mounting.\u003c\/li\u003e \u003cli\u003eUse as a direct replacement in compatible Siemens OEM panelboards to keep protection curves and trip characteristics aligned with the rest of the system.\u003c\/li\u003e \u003cli\u003eConsult a qualified electrician for any replacement or upgrade in commercial or industrial settings to ensure safe, code-compliant installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe Siemens HMXD63B500H 500A, 600V, 3-pole bolt-on molded case circuit breaker offers robust, predictable protection for demanding electrical systems. With secure mounting, a thermal-magnetic trip mechanism, and OEM compatibility, it’s designed to keep critical circuits guarded in panelboards and load centers across residential, commercial, and light industrial applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349812498594,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_7521ba1b-0c39-4c49-b267-53074d211790.png?v=1764157525","url":"https:\/\/www.ampstate.com\/products\/siemens-hmxd63b500h-500a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}