{"product_id":"siemens-3va5120-4ef31-0aa0-20a-3p-480v-circuit-breaker","title":"Siemens 3VA5120-4EF31-0AA0 20A 3P 480V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens 3VA5120-4EF31-0AA0 is a purpose-built circuit breaker designed for everyday electrical work, delivering reliable circuit protection in panelboards, load centers, and electrical distribution networks. Built to handle routine protection tasks, this 3-pole device ensures consistent performance across demanding environments.\u003c\/p\u003e \u003cp\u003eIdeal for maintenance teams, panel builders, and spare inventory where a precise part-number match matters, this breaker enables fast, accurate replacements. With a 20 A rating and 480 V operating capacity, it supports three-phase distribution systems common in commercial and industrial setups.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3VA5120-4EF31-0AA0\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 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 \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Panelboards, Load Centers, Electrical Distribution\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e From AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this Siemens breaker stands out is its direct compatibility with Siemens panel systems and its readiness for rapid deployment in the field. The 3-pole design provides balanced protection across all three phases, helping to safeguard motors, feeders, and other heavy-load components in 480V circuits. Its robust construction is geared toward long service life in environments where breakers are subject to frequent cycling and routine maintenance checks.\u003c\/p\u003e \u003ch3\u003ePractical use cases and benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacement in existing Siemens panelboards and load centers without the need for adapters or rewiring.\u003c\/li\u003e \u003cli\u003eSpare part option to reduce downtime during preventive maintenance or after unexpected trips.\u003c\/li\u003e \u003cli\u003eReliable protection for three-phase equipment and distribution circuits in industrial facilities, mid-size commercial buildings, and high-demand electrical rooms.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNeed help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413705511074,"sku":"3VA5120-4EF31-0AA0","price":10.0,"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-3va5120-4ef31-0aa0-20a-3p-480v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}