{"product_id":"siemens-3va5150-4ef31-0aa0-50a-3p-480v-circuit-breaker","title":"Siemens 3VA5150-4EF31-0AA0 50A 3P 480V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens 3VA5150-4EF31-0AA0—a purpose-built circuit breaker engineered to deliver dependable protection in panelboards, load centers, and electrical distribution networks. With a 50 A rating, 3 poles, and 480 V operation, this unit is designed for demanding three-phase applications while helping you maintain system stability and safety. Available through AmpState, it’s an ideal choice for retrofit work and maintenance planning where keeping the exact part number matters for compatibility and bulk sourcing.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact specifications you need\u003c\/strong\u003e: 50 A, 3 poles, 480 V, Siemens part number 3VA5150-4EF31-0AA0.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFocused on retrofit and maintenance\u003c\/strong\u003e: A fixed part number simplifies ordering, stocking, and future replacements without surprises in the field.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile protection for three-phase systems\u003c\/strong\u003e: Specifically suited for panelboards, load centers, and broader electrical distribution layouts.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable sourcing\u003c\/strong\u003e: Available from AmpState, ensuring ready availability when maintenance windows and retrofits come up.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens circuit breaker shines in real-world use\u003c\/h3\u003e\n\u003cp\u003eFor facilities upgrading or maintaining three-phase distribution, consistency in spare parts minimizes downtime and accelerates service calls. The 3VA5150-4EF31-0AA0 is purpose-built to slot into existing Siemens ecosystems, helping electricians and facility managers avoid mismatches during critical repairs or expansions. It’s especially advantageous in environments where standardizing on a single part number across multiple panels streamlines procurement and documentation.\u003c\/p\u003e \u003ch3\u003eUse cases and ideal scenarios\u003c\/h3\u003e\n\u003cp\u003e• Retrofit projects in commercial, industrial, or data-center environments where panelboards and distribution boards require a 50 A 3P 480 V protection device with a fixed part number.\u003c\/p\u003e\n\u003cp\u003e• Routine maintenance planning that benefits from predictable part availability and straightforward compatibility checks.\u003c\/p\u003e\n\u003cp\u003e• Replacement in systems designed around Siemens tooling and protection coordination, ensuring consistent electrical protection strategy across the facility.\u003c\/p\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\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 3VA5150-4EF31-0AA0\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 50 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 480 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eNeed help confirming compatibility?\u003c\/h3\u003e\n\u003cp\u003eNeed help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.\u003c\/p\u003e \u003cp\u003eChoose the Siemens 3VA5150-4EF31-0AA0 for reliable, standardized protection that aligns with your retrofit plans and maintenance cycles. Ask about availability from AmpState today to ensure your next service window stays on schedule.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413704528034,"sku":"3VA5150-4EF31-0AA0","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-3va5150-4ef31-0aa0-50a-3p-480v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}