{"product_id":"siemens-neg3b020-20a-3p-600v-circuit-breaker","title":"Siemens NEG3B020 Circuit Breaker, 20A, 3-Pole, 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens NEG3B020 is a rugged, 20-amp, 3-pole circuit breaker designed for demanding industrial electrical service, maintenance, and replacement projects. Built to guard 3-phase distributions, this device delivers reliable overload protection for demanding environments where uptime and safety matter.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e NEG3B020\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 20 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaximum Voltage:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Industrial service, maintenance, and replacement projects\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy the NEG3B020 stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e3-pole design provides coordinated protection across all three phases, helping prevent unbalanced loads and enhancing motor and equipment safety in 3-phase systems.\u003c\/li\u003e \u003cli\u003e600V rating suits modern industrial distribution equipment and higher-voltage motor circuits, delivering robust performance under demanding conditions.\u003c\/li\u003e \u003cli\u003ePrecise 20 A rating ensures reliable protection without nuisance tripping on normal operating loads, supporting consistent system performance.\u003c\/li\u003e \u003cli\u003eClear compatibility path—verify fit by the part number and your specific application requirements. If you’re unsure, our team can assist with part-number matching to ensure the right device for your panel.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eIndustrial facilities and manufacturing lines that rely on stable 3-phase power distribution and need dependable overload protection.\u003c\/li\u003e \u003cli\u003eMaintenance and component replacement in control panels, switchgear, and motor control centers where a 3-pole, 600V-rated breaker is specified.\u003c\/li\u003e \u003cli\u003eNew installations following OEM or electrical drawings that call for a Siemens 3-pole 20 A protection device.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eInstallation and reliability tips\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm compatibility by cross-checking the Siemens part number NEG3B020 with your equipment’s bill of materials and panel labeling.\u003c\/li\u003e \u003cli\u003eAdhere to panel manufacturer torque and mounting specifications to maintain proper trip performance and safety margins.\u003c\/li\u003e \u003cli\u003eStore and handle the breaker in a clean, dry environment prior to installation to prevent corrosion or contamination.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIf you need help matching a part number or confirming compatibility, contact us and we’ll assist with part-number verification to ensure the NEG3B020 is the right choice for your application.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46415972335778,"sku":"NEG3B020","price":3743.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-neg3b020-circuit-breaker-20a-3-pole-600v-breakers-266.webp?v=1789217619","url":"https:\/\/www.ampstate.com\/products\/siemens-neg3b020-20a-3p-600v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}