{"product_id":"abb-spau330-c1-aa-voltage-protection-relay","title":"ABB SPAU330 C1‑AA Voltage Protection Relay","description":"\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe ABB \u003cstrong\u003eSPAU330 C1‑AA\u003c\/strong\u003e is a multifunctional voltage monitoring and protection relay. It supervises phase‑to‑phase busbar voltages and residual voltage (U₀), helping prevent unsafe switching operations in substations and industrial power systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eModel Number:\u003c\/strong\u003e SPAU330 C1‑AA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Voltage Protection Relay (SPACOM series)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eRated Voltage:\u003c\/strong\u003e 100 V \/ 110 V \/ 120 V AC (via VT)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eRated Frequency:\u003c\/strong\u003e 50\/60 Hz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e ≤ 10 VA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eOvervoltage Setting:\u003c\/strong\u003e Adjustable 1.0–1.6 × Un\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eUndervoltage Setting:\u003c\/strong\u003e Adjustable 0.4–1.0 × Un\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eTime Delay:\u003c\/strong\u003e 0.1–10 seconds (configurable)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±3% of setting\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eOutput Contacts:\u003c\/strong\u003e 2 changeover contacts, rated 5 A at 250 V AC\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eSwitching Capacity:\u003c\/strong\u003e 1250 VA\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eCommunication:\u003c\/strong\u003e Serial interface for monitoring and configuration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e ~1.2 kg\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Sweden\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eDual Protection:\u003c\/strong\u003e Provides both overvoltage and undervoltage supervision.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eFlexible Settings:\u003c\/strong\u003e Adjustable thresholds and time delays for different grid conditions.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eResidual Voltage Monitoring:\u003c\/strong\u003e Supervises U₀ for enhanced system safety.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eSelf‑Supervision:\u003c\/strong\u003e Continuous hardware\/software diagnostics with fault codes.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eEvent Recording:\u003c\/strong\u003e Optional disturbance recorder for fault analysis.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eRobust Design:\u003c\/strong\u003e Industrial‑grade aluminum housing for durability.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003eIntegration:\u003c\/strong\u003e Compatible with ABB SPACOM series and substation automation systems.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":46526760222910,"sku":"SPAU330 C1‑AA","price":650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/SPAU140C.jpg?v=1774341847","url":"https:\/\/www.autooiltech.com\/products\/abb-spau330-c1-aa-voltage-protection-relay","provider":"AutoOilTech Limited","version":"1.0","type":"link"}