{"product_id":"eaton-503b027h01","title":"Eaton 503B027H01 125A 3-Pole 480 V Circuit Breaker Potential Transformer","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Eaton 503B027H01, a rugged 125A three-pole circuit breaker engineered for 480V three-phase systems, with an integrated potential transformer for streamlined protection and accurate metering in one compact unit.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003ePart number: 503B027H01\u003c\/li\u003e \u003cli\u003eCurrent rating: 125 A\u003c\/li\u003e \u003cli\u003ePoles: 3\u003c\/li\u003e \u003cli\u003eVoltage rating: 480 V\u003c\/li\u003e \u003cli\u003eIntegrated potential transformer for monitoring and metering\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat makes this Eaton circuit breaker with potential transformer stand out\u003c\/h2\u003e\n\u003cp\u003eThis unit combines robust overcurrent protection with an embedded potential transformer, eliminating the need for a separate transformer in many installations. The result is faster installation, reduced wiring complexity, and a cleaner control panel footprint. With a three-pole design, it provides balanced protection across all phases, helping prevent nuisance tripping and enabling precise coordination in your power distribution scheme.\u003c\/p\u003e \u003ch2\u003eIdeal applications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eIndustrial facilities deploying 480V three-phase distributions that require reliable protection and real-time voltage sensing\u003c\/li\u003e \u003cli\u003eData centers and critical environments where integrated monitoring supports power quality analysis and energy management\u003c\/li\u003e \u003cli\u003eManufacturing lines and heavy machinery lines needing compact, space-saving protection with built-in measurement capabilities\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePerformance and protection benefits\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e125 A rating delivers dependable feeder protection for moderately large circuits\u003c\/li\u003e \u003cli\u003eThree-pole configuration ensures synchronized shutdown across all phases\u003c\/li\u003e \u003cli\u003eEmbedded potential transformer enables voltage sensing and data collection for remote monitoring systems\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical installation and use\u003c\/h2\u003e\n\u003cp\u003eDesigned for integration into standard industrial panels that support 480V three-phase systems, the 503B027H01 helps streamline panel layout and diagnostic workflows. When wiring, ensure compatibility with your panel’s footprint and follow established torque and safety guidelines for circuit breakers to maintain optimal performance.\u003c\/p\u003e \u003ch2\u003eCare, maintenance, and tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003ePeriodically inspect terminations and insulation for signs of wear or overheating\u003c\/li\u003e \u003cli\u003eIncorporate the unit into your regular preventative maintenance schedule to verify both protection and metering outputs\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Eaton 503B027H01, you get reliable three-pole protection at 480V paired with integrated measurement capabilities, delivering a streamlined, space-efficient solution for advanced power distribution and monitoring in demanding environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46423480205474,"sku":"503B027H01","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton-503b027h01-125a-3-pole-480-v-circuit-breaker-potential-176.webp?v=1789311024","url":"https:\/\/www.ampstate.com\/products\/eaton-503b027h01","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}