{"product_id":"abb-spau330-c1-aa-voltage-relay-most-favorable","title":"ABB SPAU330 C1-AA Voltage Relay Most Favorable","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSPAU 330 C\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003evoltage relay is designed for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eovervoltage, undervoltage, and residual voltage supervision\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein substation busbars and other critical applications. It monitors phase-to-phase and residual voltages in distribution networks and, when fully equipped, includes a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003edigital disturbance recorder\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor fault analysis and system diagnostics. While the product is no longer active (since 2009), it remains a reliable reference solution for voltage protection in various industrial environments.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eScope of Application\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eOvervoltage protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUndervoltage protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResidual voltage supervision\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFault recording and event analysis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eReliable\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003esupervision of substation busbar phase-to-phase voltage\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEffective protection of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etransformers, motors, generators\u003c\/strong\u003e, and\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecapacitor banks\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnhances safety and stability of critical electrical infrastructure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMultifunction Supervision \u0026amp; Protection:\u003c\/strong\u003e\u003cbr\u003eSuitable for substation voltage monitoring and general applications requiring voltage protection or supervision.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDisturbance Recorder Module (Optional):\u003c\/strong\u003e\u003cbr\u003eCaptures and stores electrical events to help verify protection relay performance and analyze network disturbances.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication Interface:\u003c\/strong\u003e\u003cbr\u003eBuilt-in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eserial fiber-optic interface\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor two-way data exchange with substation-level systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSelf-Supervision with Auto-Diagnostics:\u003c\/strong\u003e\u003cbr\u003eContinuous monitoring of hardware and software functionality ensures system\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ereliability and availability\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":50351569404200,"sku":"SPAU330 C1-AA","price":400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/6266\/2184\/files\/SPAU330C1-AA_2.jpg?v=1751619123","url":"https:\/\/www.powerdcs.com\/products\/abb-spau330-c1-aa-voltage-relay-most-favorable","provider":"Power DCS Parts Limited","version":"1.0","type":"link"}