{"product_id":"reu610-abb-compact-numerical-relay-for-mv-distribution","title":"REU610 ABB Compact Numerical Relay for MV Distribution","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eREU610\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-precision numerical voltage protection relay from the ABB Relion family, engineered for the comprehensive monitoring and protection of medium-voltage power distribution networks. This module is specialized in detecting voltage-based abnormalities, providing critical overvoltage, undervoltage, and residual overvoltage protection. By ensuring rapid fault isolation and deterministic performance, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eREU610\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esafeguards transformers, motors, and busbar systems from potentially damaging voltage fluctuations. Its compact design and multi-protocol communication support make it an essential Intelligent Electronic Device (IED) for modern substation automation and industrial power management.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDetailed Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e: ABB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel\u003c\/strong\u003e: REU610\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDevice Type\u003c\/strong\u003e: Numerical Voltage Protection Relay\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProtection Functions\u003c\/strong\u003e: Overvoltage (3-phase), undervoltage (3-phase), and residual overvoltage protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRated Voltage Input\u003c\/strong\u003e: Up to 110 V AC (Secondary side VT connection)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNominal Frequency\u003c\/strong\u003e: 50 \/ 60 Hz (Configurable)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAuxiliary Power Supply\u003c\/strong\u003e: Universal wide-range 24–250 V DC or 48–240 V AC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBinary Inputs\/Outputs\u003c\/strong\u003e: Multiple programmable digital I\/O for signaling and trip logic\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommunication Protocols\u003c\/strong\u003e: Modbus RTU, IEC 60870-5-103, and SPA bus\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMonitoring \u0026amp; Recording\u003c\/strong\u003e: Built-in disturbance recorder and detailed event logs for fault analysis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHuman-Machine Interface (HMI)\u003c\/strong\u003e: Front-panel LCD display with navigation push buttons\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e: -25°C to +70°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e: -40°C to +85°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions (WxHxD)\u003c\/strong\u003e: 160 mm x 180 mm x 200 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e: 2.5 kg\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting Configuration\u003c\/strong\u003e: Panel-flush mount\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProtection Degree\u003c\/strong\u003e: IP20 (Rear terminals); higher front panel protection with standard installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStandards Compliance\u003c\/strong\u003e: IEC 60255 series for power system protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":43027014647898,"sku":"REU610","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/38.1_167aba89-4e13-40d1-a29f-1e494f5e9762.jpg?v=1773200657","url":"https:\/\/www.spareoil.com\/products\/reu610-abb-compact-numerical-relay-for-mv-distribution","provider":"SpareOil Automation","version":"1.0","type":"link"}