{"product_id":"siemens-cmd63b600-600a-600v-3-pole-bolt-on-circuit-breaker","title":"Siemens CMD63B600 - 600 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens CMD63B600 is a premium 600 A, 600 V, 3-pole bolt-on molded case circuit breaker designed to safeguard electrical systems with confidence. Built for reliable branch circuit overcurrent and short-circuit protection, it pairs robust construction with precise protection in panelboards and loadcenters.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSecure bolt-on mounting\u003c\/strong\u003e delivers a rigid, vibration-resistant bus connection, helping maintain dependable electrical contact in demanding installations and minimizing loosened connections over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e combines accurate thermal overload protection with fast magnetic response to short circuits, offering stable, repeatable protection performance even under heavy load transients.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible integration\u003c\/strong\u003e is designed to work seamlessly with matching Siemens OEM load centers and panelboards, simplifying replacement, upgrades, and maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile 3-pole design\u003c\/strong\u003e supports three-phase systems, making it ideal for commercial, light industrial, and multi‑wire residential applications that require reliable 3‑phase protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh amperage in standard protection\u003c\/strong\u003e with a 600 A rating provides ample headroom for large feeders and significant circuit loads, reducing nuisance trips while protecting wiring and equipment.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho should consider the CMD63B600? Professionals configuring or retrofitting panelboards in commercial spaces, light industrial facilities, or large residential complexes where stable 3‑phase protection is essential. It’s particularly well-suited for protecting large feeders, motor loads, and other demanding branch circuits that demand durable, maintenance-friendly protection.\u003c\/p\u003e \u003cp\u003eUse cases and practical scenarios include:\n\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eFeeding heavy 3‑phase equipment in small to mid-size commercial facilities\u003c\/li\u003e \u003cli\u003eRetrofits or upgrades in Siemens-compatible panelboards to restore or improve protection performance\u003c\/li\u003e \u003cli\u003eProtection of large feeders and motor circuits in light industrial electrical rooms\u003c\/li\u003e \u003cli\u003eReliable main or sub-feed protection in multi‑phase residential\/commercial installations\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eTechnical specifications at a glance:\n\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: CMD63B600\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage Rating: 600 A\u003c\/li\u003e \u003cli\u003eVoltage Rating: 600 V\u003c\/li\u003e \u003cli\u003eNumber of Poles: 3\u003c\/li\u003e \u003cli\u003eMounting Style: Bolt-on\u003c\/li\u003e \u003cli\u003eApplication: Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the CMD63B600 means investing in long-term reliability and streamlined maintenance. With its rugged bolt-on design and Siemens’ proven protection technology, it delivers consistent performance, minimizes downtime, and fits neatly into compatible panelboards and load centers—keeping power where it belongs: safely protected and ready for operation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349780877474,"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_f2948c87-4549-4642-8f81-5869c18ba3c3.png?v=1764156484","url":"https:\/\/www.ampstate.com\/products\/siemens-cmd63b600-600a-600v-3-pole-bolt-on-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}