{"product_id":"allen-bradley-140u-h6s3-d12-circuit-breaker","title":"Allen-Bradley | 140U-H6S3-D12 | Circuit Breaker | 125A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eAllen-Bradley 140U-H6S3-D12 Circuit Breaker\u003c\/strong\u003e — a sturdy, ready-to-retrofit protection solution for demanding industrial panels. With a 125A rating, 3-pole configuration, and a 600V rating, this breaker is designed for three-phase systems where reliable overcurrent protection is essential during maintenance, replacement, or retrofit projects.\u003c\/p\u003e \u003cp\u003eDesigned for professionals who value precise compatibility, this part is best leveraged when exact spec alignment is required. The 140U-H6S3-D12 is purpose-built to drop into panels and assemblies that demand the same amperage, pole count, and voltage characteristics, helping you minimize downtime and ensure consistent protection across your electrical network.\u003c\/p\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cp\u003e• \u003cstrong\u003eHigh-availability protection for 3-phase systems:\u003c\/strong\u003e 3-pole design provides synchronized shutoff across all three hot conductors, preserving balanced protection in industrial drives, motors, and feeders. \u003c\/p\u003e\n\u003cp\u003e• \u003cstrong\u003e125A capacity for robust loads:\u003c\/strong\u003e Suitable for larger feeders and control circuits where a reliable trip threshold is critical to prevent equipment damage and ensure personnel safety. \u003c\/p\u003e\n\u003cp\u003e• \u003cstrong\u003e600V maximum rating:\u003c\/strong\u003e Engineered for higher-voltage applications common in manufacturing floors, process lines, and heavy equipment panels. \u003c\/p\u003e \u003ch3\u003eUse cases and ideal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and service swaps in existing panels where the 140U-H6S3-D12 matches the original specifications.\u003c\/li\u003e \u003cli\u003eRetrofits and upgrades to upgrade protection in 3-phase distribution circuits without changing downstream equipment.\u003c\/li\u003e \u003cli\u003eReplacement stock for facilities that standardize on Allen-Bradley components to streamline repairs and reduce downtime.\u003c\/li\u003e \u003cli\u003eNew installations that require a reliable 3-pole, 125A, 600V breaker with a proven track record in industrial environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat to check before ordering\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 125A\u003c\/li\u003e \u003cli\u003ePole configuration: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage rating: 600V\u003c\/li\u003e \u003cli\u003eCompatibility reference: part number 140U-H6S3-D12 is the most reliable guide for fitment and matching ratings\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical guidance for installation and longevity\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify panel compatibility using the exact part number to avoid mismatches in form factor or trip characteristics.\u003c\/li\u003e \u003cli\u003eFollow your panel’s torque specifications on terminal connections to ensure a solid, long-lasting electrical connection.\u003c\/li\u003e \u003cli\u003eStore in a controlled environment and handle with standard electrical safety procedures to preserve performance and reliability.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Allen-Bradley 140U-H6S3-D12 when you need a dependable, industry-standard circuit breaker that aligns with 3-phase, 125A, 600V requirements. It’s the smart, targeted choice for maintenance, retrofit, and replacement tasks where precise compatibility matters most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46426299564194,"sku":"140U-H6S3-D12","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/allen-bradley-140u-h6s3-d12-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}