{"product_id":"square-d-qou315vh","title":"Square D QOU315VH 15A 3-Pole 315 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QOU315VH 15A 3-Pole 315 V Circuit Breaker — a precise, reliable overcurrent protector designed for three-phase electrical systems. With a 15-amp rating and a 315 VAC maximum, this breaker delivers dependable protection while fitting neatly into Square D panelboards that support QO-style devices. Part number QOU315VH ensures exact compatibility with your existing Square D installation.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection\u003c\/strong\u003e provides synchronized disconnection for all phases in a 3-phase circuit, helping prevent imbalanced loads and equipment damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating: 315 VAC\u003c\/strong\u003e suitable for higher-voltage commercial and light-industrial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating: 15 A\u003c\/strong\u003e ideal for motor circuits, control panels, and balanced loads that require reliable protection without nuisance trips.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number QOU315VH\u003c\/strong\u003e ensures precise compatibility with Square D panelboards and the broader QO family of breakers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable construction\u003c\/strong\u003e built to withstand demanding environments common in commercial and industrial settings, while maintaining steady performance in standard Square D installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal for\u003c\/strong\u003e engineers, electricians, and technicians working on three-phase systems who need robust protection for motors, compressors, HVAC equipment, and 3-phase distribution panels. This breaker is a practical choice for facilities upgrading or maintaining equipment that operates at up to 315 V and requires dependable 3-pole protection.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eUse cases\u003c\/strong\u003e include protecting three-phase motors in manufacturing lines, safeguarding compressors in HVAC and process equipment, and integrating into panelboards that serve factory floors, data centers, or workshops with 3-phase power.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy choose this model\u003c\/strong\u003e — instead of using multiple single-pole devices, a 3-pole solution like the QOU315VH delivers coordinated protection across all phases, simplifying wiring and improving trip reliability for multi-phase loads.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical tips\u003c\/strong\u003e:\n- Verify your panel accepts QO-type breakers and that the QOU315VH rating matches your system requirements\n- Align voltage and current ratings with your load to minimize unnecessary trips while ensuring adequate protection\n- When replacing an existing breaker, keep the same three-pole configuration and trip rating to maintain panel balance and protective coordination\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423149215906,"sku":"QOU315VH","price":993.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qou315vh-15a-3-pole-315-v-circuit-breaker-345.webp?v=1789275597","url":"https:\/\/www.ampstate.com\/products\/square-d-qou315vh","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}