{"product_id":"siemens-hlmxd63b600l-600a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens HLMXD63B600L - 600 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens HLMXD63B600L is a robust 600A, 600V, 3-pole bolt-on molded case circuit breaker engineered to shield your panelboards and load centers from overcurrent and short-circuit events. Built for reliability in demanding environments, it delivers steady protection where it matters most—on large residential feeders, commercial distribution, and light industrial circuits.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e creates a rigid, vibration-resistant connection to the bus, reducing wear and ensuring consistent electrical performance even in environments with movement or vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides precise thermal (overload) and magnetic (short-circuit) protection, delivering reliable discrimination and faster interruption when relief is needed.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole design\u003c\/strong\u003e delivers balanced protection across all phases in three-phase systems, helping prevent phase imbalances that can damage equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh current rating\u003c\/strong\u003e with a 600A amperage and 600V rating positions this breaker for substantial loads in commercial and light industrial settings, as well as larger residential applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e designed to be used with matching Siemens OEM load centers and panelboards, aiding seamless replacement and consistent performance with your existing infrastructure.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e ideal for branch circuit overcurrent and short-circuit protection, safeguarding feeders, motors, and distribution circuits in a variety of building types.\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 HLMXD63B600L\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 600A\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 \u003cp\u003eWho this is for: electrical professionals installing or upgrading panelboards and load centers that require high-current, reliable protection for three-phase systems. It’s a strong choice for commercial spaces, light industrial equipment rooms, and large residential electrical systems where uptime and safety are paramount.\u003c\/p\u003e \u003cp\u003eWhy it matters: with a secure bolt-on connection, reliable thermal-magnetic protection, and OEM-compatible design, the HLMXD63B600L minimizes nuisance trips, simplifies replacements, and supports long-term circuit integrity—even in environments that experience vibration or heavy load swings. When you need a dependable, high-capacity breaker that integrates smoothly with your Siemens panel ecosystem, this unit delivers clarity of protection and peace of mind.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349811843234,"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_50bf7d77-fd63-400a-abcb-40443bb159b2.png?v=1764157497","url":"https:\/\/www.ampstate.com\/products\/siemens-hlmxd63b600l-600a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}