{"product_id":"siemens-5sp4280-7-80a-2p-400v-circuit-breaker","title":"Siemens 5SP4280-7 Circuit Breaker, 80A, 2-Pole, 400V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens 5SP4280-7 circuit breaker is built for rugged industrial service, delivering dependable overcurrent protection where reliability matters most. With an 80 A rating and a two-pole design for 400 V systems, this breaker is ready to safeguard motor drives, control panels, and distribution boards during both operation and maintenance work.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this 5SP4280-7 stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eProven Siemens protection\u003c\/strong\u003e—a trusted trip mechanism designed to respond to overloads and short circuits, helping minimize downtime and equipment damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTwo-pole, 400 V compatibility\u003c\/strong\u003e—optimized for standard industrial 400 V networks, providing reliable protection across paired conductors in demanding environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e48-year-ready compatibility\u003c\/strong\u003e—the exact part number 5SP4280-7 supports streamlined replacements and service updates in existing Siemens installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEase of replacement\u003c\/strong\u003e—engineered for straightforward swap-ins in panels and equipment that require robust, field-ready circuit protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eSpecifications at a glance\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 5SP4280-7\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 80 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 400 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial electrical service panels that require reliable 80 A, 2-pole protection for 400 V circuits.\u003c\/li\u003e \u003cli\u003eMaintenance and replacement projects where compatibility with the Siemens 5SP family accelerates installation and testing.\u003c\/li\u003e \u003cli\u003eMotor control centers and distribution boards in manufacturing settings where downtime costs matter.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation considerations\u003c\/h3\u003e\n\u003cp\u003eTo ensure a perfect fit, verify the application requirements align with the 5SP4280-7 specifications. The part number is your quickest confirmation of compatibility with your panel or equipment. If you need help matching a part number or confirming compatibility, send us a message and we’ll assist you in validating fit for your exact setup.\u003c\/p\u003e \u003cp\u003eWith the Siemens 5SP4280-7 in your inventory, you gain a reliable, field-proven solution for protecting critical 400 V circuits, reducing risk during maintenance, and keeping industrial systems running smoothly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46416141451426,"sku":"5SP4280-7","price":2007.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/siemens-5sp4280-7-80a-2p-400v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}