{"product_id":"siemens-3va5130-4ec31-0aa0","title":"Siemens 3VA5130-4EC31-0AA0 0A 3-Pole 3 V Circuit Breaker Potential Transformer","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered for compact protection and precise voltage sensing in three-phase power systems, the Siemens 3VA5130-4EC31-0AA0 combines a 3-pole circuit breaker with a built-in potential transformer. This all-in-one solution is designed to streamline panel layouts, reduce wiring complexity, and provide accurate voltage signals for protective relays and metering equipment.\u003c\/p\u003e \u003ch3\u003eKey specifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e 3VA5130-4EC31-0AA0\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003ePoles:\u003c\/b\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eVoltage rating:\u003c\/b\u003e 3 V\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eCurrent rating:\u003c\/b\u003e 0 A\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eConfiguration:\u003c\/b\u003e Circuit Breaker with integrated Potential Transformer\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this integrated unit stands out\u003c\/h3\u003e\n\u003cp\u003eWhat sets this Siemens device apart is the seamless integration of protection and voltage sensing in a single package. Rather than mounting a standalone circuit breaker and a separate potential transformer, you gain:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cb\u003eSpace and wiring efficiency:\u003c\/b\u003e A compact footprint reduces panel depth and simplifies wiring runs, making it ideal for tight switchgear enclosures.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eDirect sensing for relays and meters:\u003c\/b\u003e The built-in potential transformer provides readily usable voltage signals for protection relays and metering instruments, enabling faster, more accurate fault detection and monitoring.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eSimplified maintenance:\u003c\/b\u003e With fewer discrete components, inspections and replacements become more straightforward, helping reduce downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cb\u003eReliability in three‑phase systems:\u003c\/b\u003e The 3-pole design ensures consistent protection and sensing across all phases, supporting coordinated protection schemes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eIndustrial control panels and switchgear where space is at a premium and reliable voltage sensing is required.\u003c\/li\u003e \u003cli\u003eFacilities upgrades or retrofits aiming to consolidate protection devices and measurement infrastructure.\u003c\/li\u003e \u003cli\u003eThree-phase distribution networks in manufacturing, data centers, and utilities where integrated protection and monitoring improve response times.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow it benefits you in the field\u003c\/h3\u003e\n\u003cp\u003eThe combination of a circuit breaker with a potential transformer enables immediate, accurate voltage feedback to protection relays and metering circuits. Expect streamlined diagnostics, faster fault isolation, and clearer visibility into system health without juggling multiple components. This unit is especially advantageous when you need reliable phase voltage information to coordinate protective actions, optimize energy management, and support remote monitoring strategies.\u003c\/p\u003e \u003ch3\u003ePractical considerations and tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify compatibility with your panel and protection relay inputs by consulting the part number and rating details to ensure proper voltage sensing range and relay compatibility.\u003c\/li\u003e \u003cli\u003ePlan wiring routes so sensed voltage leads reach relays or meters with minimal impedance, supporting stable monitoring signals.\u003c\/li\u003e \u003cli\u003eWhen expanding or replacing similar equipment, confirm that the 3-pole, 3 V configuration matches your three-phase system requirements and that the current rating aligns with your protection scheme (noting the listed value of 0 A).\u003c\/li\u003e \u003cli\u003eHandle with standard electro-mechanical precautions, and label connections clearly to facilitate maintenance and future inspections.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Siemens 3VA5130-4EC31-0AA0, you gain a compact, integrated approach to protection and voltage monitoring that helps streamline installation, improve fault response, and support accurate system insight across three phases.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423173300386,"sku":"3VA5130-4EC31-0AA0","price":1662.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-3va5130-4ec31-0aa0-0a-3-pole-v-circuit-breaker-potential-450.webp?v=1789278705","url":"https:\/\/www.ampstate.com\/products\/siemens-3va5130-4ec31-0aa0","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}