{"product_id":"siemens-hlmxd63b500-500a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens HLMXD63B500 - 500 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens HLMXD63B500 is a rugged, 3-pole bolt-on molded case circuit breaker engineered to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. With a 500 A rating and a 600 V maximum, this unit is purpose-built for demanding electrical distributions where stability and reliability matter most.\u003c\/p\u003e \u003ch3\u003eSecure, vibration-resistant protection you can trust\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-on mounting\u003c\/strong\u003e provides a rigid, secure bus connection that resists vibration and ensures consistent electrical contact over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by responding to both overcurrent and short-circuit conditions, helping to minimize nuisance trips and protect upstream equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible design\u003c\/strong\u003e is tailored to work with matching Siemens panelboards and loadcenters, helping maintain system integrity and ease of installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suited for residential, commercial, and light industrial environments where reliable distribution protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 3-pole breaker makes a difference\u003c\/h3\u003e\n\u003cp\u003eWhen your panelboard or loadcenter serves multiple circuits or feeds three-phase equipment, the HLMXD63B500 acts as a precise guardian for the most critical lines. Its bolt-on construction reduces the risk of loose connections in environments with vibration or movement, while the thermal-magnetic trip unit provides dependable coordination with other protective devices in the same distribution system.\u003c\/p\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or replacing aging bolt-on breakers in existing Siemens panelboards and loadcenters\u003c\/li\u003e \u003cli\u003eThree-phase distribution points in commercial spaces, light industrial facilities, or generator-backed systems\u003c\/li\u003e \u003cli\u003eBranch circuit protection where a robust, high-current disconnect is required to safeguard wiring, feeders, and downstream equipment\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical specifications\u003c\/h3\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 HLMXD63B500\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 500 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 600 V\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 \u003ch3\u003ePractical guidance for installation and standout value\u003c\/h3\u003e\n\u003cp\u003eChoose the Siemens HLMXD63B500 when you need a durable, high-current protection solution that aligns with the rest of your Siemens panel ecosystem. Its bolt-on design simplifies installation in compatible enclosures and helps ensure a solid, long-lasting connection in environments where vibration or movement is a concern. By integrating this breaker into your distribution scheme, you gain predictable protection performance across your 3-phase or high-current circuits, with compatibility that supports streamlined maintenance and future upgrades.\u003c\/p\u003e \u003cp\u003eAvailable through AmpState, this 500 A, 600 V, 3-pole bolt-on MCCB is a purpose-built choice for professionals who value robust protection, dependable operation, and seamless compatibility with Siemens panelboards and loadcenters.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349811744930,"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_00e2ffc6-fb58-4884-9c80-912728f6e1c4.png?v=1764157493","url":"https:\/\/www.ampstate.com\/products\/siemens-hlmxd63b500-500a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}