{"product_id":"siemens-neb3b020-20a-3p-480v-circuit-breaker","title":"Siemens NEB3B020 Circuit Breaker, 20A, 3-Pole, 480V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens NEB3B020 Circuit Breaker — a robust, ready-to-deploy protection device designed for demanding industrial electrical service, maintenance, and replacement projects. With a 20 amp rating across 3 poles and a 480V operating capability, it safeguards multi-phase equipment and prevents costly downtime in high-demand environments.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eCore specifications at a glance\u003c\/strong\u003e\u003c\/p\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: NEB3B020\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\u003eVoltage\u003c\/strong\u003e: 480V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy choose the NEB3B020 for your installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eThree-pole configuration provides synchronized protection across all phases in a 480V system, ideal for industrial motors, presses, conveyors, and large panel boards.\u003c\/li\u003e \u003cli\u003e20 A rating strikes a balance between protection and uptime for common 3-phase loads, reducing nuisance trips while guarding wiring and components.\u003c\/li\u003e \u003cli\u003eDesigned for rugged industrial environments with reliable trip performance and clear electrical compatibility with Siemens ecosystem and standard industrial panels.\u003c\/li\u003e \u003cli\u003eQuick verification path: verify fit by part number and application requirements to ensure correct mounting, bus compatibility, and interface with your panel design.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eBest use cases and scenarios\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eNew installations in service panels and motor control centers that require compliant 480V protection.\u003c\/li\u003e \u003cli\u003eMaintenance replacements where older protective devices no longer meet safety or reliability standards.\u003c\/li\u003e \u003cli\u003eIndustrial environments where minimizing downtime is critical, and consistent three-phase protection is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIf you’re unsure about compatibility, we can help. \u003cstrong\u003eMessage us\u003c\/strong\u003e to confirm that NEB3B020 matches your application requirements and fitment needs before you purchase.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46415709995170,"sku":"NEB3B020","price":4165.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_513d6710-3734-4b27-839d-f68e6f4b470a.png?v=1765492974","url":"https:\/\/www.ampstate.com\/products\/siemens-neb3b020-20a-3p-480v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}