{"product_id":"siemens-hem3m100l","title":"Siemens HEM3M100L 100A 3-Pole 480 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens HEM3M100L 100A 3-Pole 480 V Circuit Breaker — a purpose-built protection device for demanding 480V three-phase power systems. Designed to safeguard industrial and commercial electrical distributions, this breaker delivers reliable, coordinated performance when it matters most.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 100 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 480 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HEM3M100L\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens HEM3M100L stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eReliable three-phase protection:\u003c\/strong\u003e The three-pole design ensures simultaneous disconnection of all phases, reducing damage risk to motors, drives, and downstream equipment during faults.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip mechanism:\u003c\/strong\u003e Balances fast response to short circuits with dependable overload protection, minimizing downtime and protecting valuable assets.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOptimized for 480V industrial networks:\u003c\/strong\u003e Built to handle the common voltages found in manufacturing, processing, and large facilities, delivering consistent performance under real-world loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect fit and clear compatibility:\u003c\/strong\u003e Part number HEM3M100L aligns with Siemens panels and MCCBs, simplifying installation, replacements, and maintenance planning.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable, long-term reliability:\u003c\/strong\u003e Siemens-quality construction and standardized design reduce nuisance trips and extend service life in challenging environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases \u0026amp; ideal customers\u003c\/h3\u003e\n\u003cp\u003eThis breaker is ideal for facilities with 480V three-phase feeders, including:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eFactory floors with motor control centers and heavy machinery\u003c\/li\u003e \u003cli\u003eIndustrial automation panels, switchgear, and distribution boards\u003c\/li\u003e \u003cli\u003eElectrical rooms in large commercial or institutional buildings with high-voltage feeders\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for installation and operation\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMatch the breaker’s 100 A rating to your circuit load and conductor sizing to ensure safe, protected operation.\u003c\/li\u003e \u003cli\u003eUse appropriate protective accessories and wiring methods specified for 480V systems in conjunction with Siemens protection devices.\u003c\/li\u003e \u003cli\u003eSchedule routine inspection of terminations and mounting to maintain reliable trip performance and minimize overheating risk.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose Siemens for circuit protection\u003c\/h3\u003e\n\u003cp\u003eSiemens brings a legacy of dependable electrical protection and industry-specific solutions. The HEM series, including the HEM3M100L, offers a balanced combination of performance, compatibility, and ease of replacement—making it a prudent choice for ongoing reliability in industrial environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423054385314,"sku":"HEM3M100L","price":7966.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hem3m100l-100a-3-pole-480-v-circuit-breaker-384.webp?v=1789265086","url":"https:\/\/www.ampstate.com\/products\/siemens-hem3m100l","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}