{"product_id":"siemens-3va5150-4ed21-0aa0-50a-2p-480v-circuit-breaker","title":"Siemens 3VA5150-4ED21-0AA0 Circuit Breaker, 50A, 2-Pole, 480V","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens 3VA5150-4ED21-0AA0 Circuit Breaker is built for industrial electrical service, maintenance, and replacement projects, delivering dependable overcurrent protection for 480V distribution feeders. This 2-pole unit combines precise interrupting capability with a robust design you can trust in demanding environments.\u003c\/p\u003e \u003ch3\u003eKey features and benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e50 A rating\u003c\/strong\u003e provides reliable protection for feeder circuits in 480V systems, helping prevent damage from overloads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTwo-pole configuration\u003c\/strong\u003e ensures effective protection across both live conductors, supporting balanced protection in industrial panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart-number driven compatibility\u003c\/strong\u003e—the exact model 3VA5150-4ED21-0AA0 is designed to fit Siemens panels and compatible industrial switchgear, reducing installation guesswork.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial-grade reliability\u003c\/strong\u003e engineered to perform in demanding environments where downtime and equipment damage must be avoided.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this circuit breaker stands out\u003c\/h3\u003e\n\u003cp\u003eMore than a basic switch, this Siemens 3VA5150-4ED21-0AA0 unit is purpose-built for industrial service, offering predictable trip behavior and solid protection for 480V circuits. Its two-pole design minimizes nuisance trips and simplifies coordination with upstream protection, making it ideal for panel replacements, panel upgrades, and ongoing maintenance projects.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacement in existing industrial panels requiring 2-pole, 50A protection for 480V feeders\u003c\/li\u003e \u003cli\u003eUpgrading electrical distribution at manufacturing or processing facilities where Siemens compatibility matters\u003c\/li\u003e \u003cli\u003eMaintenance routines that rely on readily matchable part numbers to minimize downtime\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3VA5150-4ED21-0AA0\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 50 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 480 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e Verify fit by part number and application requirements. Need help matching a part number or confirming compatibility? Message us and we'll help.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46414509408418,"sku":"3VA5150-4ED21-0AA0","price":460.0,"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-3va5150-4ed21-0aa0-50a-2p-480v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}