{"product_id":"abb-rej525b-415baa-overcurrent-and-earth-fault-relay-110-240-vac","title":"Abb Rej525B 415Baa Overcurrent And Earth Fault Relay 110–240 VAC","description":"\u003cstyle\u003e\ntable {\n  border-collapse: collapse;\n  width: auto;\n}\nth, td {\n  border: 1px solid black;\n  padding: 8px;\n  text-align: left;\n}\nth {\n  background-color: #f2f2f2;\n}\n\u003c\/style\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAttribute\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABB Oy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eREJ525\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eREJ525B 415BAA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eArticle No \/ Software No\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1MRS091415\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRevision\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAuxiliary Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e110–240 VAC \/ 48–220 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRated Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/5 A (Io)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIdentifiers\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1MSC971014A, MR3596001MRS050605A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Finland\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.440 Kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe ABB REJ525B 415BAA Overcurrent and Earth Fault Relay is a high-performance protection relay built for medium-voltage distribution networks. Developed by ABB Oy's Distribution Automation division, this device offers a reliable and intelligent solution for feeder protection, providing fast and accurate detection of overcurrent and earth faults.\u003c\/p\u003e\n\u003cp\u003eDesigned to operate on both AC and DC auxiliary supplies (110–240 VAC \/ 48–220 VDC), and capable of functioning at standard industrial frequencies of 50\/60 Hz, the REJ525 relay ensures compatibility across various installation environments. It supports 1\/5A current inputs and comes with software and hardware identifiers for easy integration and servicing.\u003c\/p\u003e\n\u003cdiv style=\"text-align: right;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0633\/9074\/4727\/files\/abb_rej525b_415baa-70081_1_1120x_7dc35a39-483f-47f3-b1e0-30cc137f28c5_480x480.jpg?v=1753082096\" alt=\"Abb Rej525B 415Baa Overcurrent And Earth Fault Relay\" style=\"float: right;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"text-align: right;\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eKey Features:\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. Overcurrent and Earth Fault Protection:\u003c\/strong\u003e Offers precise and reliable protection against current-related electrical faults.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Universal Power Supply:\u003c\/strong\u003e Operates on wide auxiliary voltage ranges in both AC and DC modes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Multi-Rated Current Input:\u003c\/strong\u003e Supports both 1A and 5A CT secondary inputs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Compact and Durable:\u003c\/strong\u003e Rugged design suitable for harsh industrial and utility environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. ABB Technology:\u003c\/strong\u003e Engineered with ABB’s trusted protection algorithms and hardware.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Intelligent Monitoring:\u003c\/strong\u003e Helps detect, isolate, and respond to faults quickly for system safety.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Plug-and-Play Design:\u003c\/strong\u003e Easy to integrate into new or existing switchgear.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Comprehensive Software Integration:\u003c\/strong\u003e Compatible with distribution automation management tools.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e9. CE and IEC Compliant:\u003c\/strong\u003e Meets international standards for protective relays.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e10. Origin:\u003c\/strong\u003e Manufactured in Finland for global reliability and performance.\u003c\/p\u003e\n\u003ch2\u003eApplications:\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e1. Power Distribution:\u003c\/strong\u003e Used in medium-voltage networks to protect feeder lines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e2. Utility Substations:\u003c\/strong\u003e Essential for the protection and monitoring of grid-connected feeders.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e3. Industrial Plants:\u003c\/strong\u003e Protects switchgear and equipment from electrical faults.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e4. Infrastructure Projects:\u003c\/strong\u003e Used in airports, metros, and tunnels for protection systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e5. Renewable Energy Plants:\u003c\/strong\u003e Installed in solar and wind farms for feeder fault protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e6. Oil \u0026amp; Gas Facilities:\u003c\/strong\u003e Provides critical fault isolation in refineries and off-shore rigs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e7. Data Centers:\u003c\/strong\u003e Ensures uninterrupted power supply by isolating faulted sections quickly.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8. Mining Operations:\u003c\/strong\u003e Protects underground and surface electrical infrastructure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e9. Water Treatment Plants:\u003c\/strong\u003e Reliable fault detection in pumping and control stations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e10. Educational Labs:\u003c\/strong\u003e Ideal for demonstrations and training on feeder protection systems.\u003c\/p\u003e\n\u003cp data-start=\"154\" data-end=\"359\"\u003eExplore \u003ca href=\"https:\/\/aeliyamarine.com\/products\/schneider-micom-p541-overcurrent-and-earth-fault-relay-p541311d3m0308j\" title=\"high-quality Overcurrent and Earth Fault Relays\"\u003e\u003cstrong\u003ehigh-quality Overcurrent and Earth Fault Relays\u003c\/strong\u003e\u003c\/a\u003e at Aeliya Marine Tech built for advanced protection, rapid fault response, and reliable operation in industrial and power distribution systems.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":47353812287639,"sku":"70081","price":263.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0633\/9074\/4727\/files\/abb_rej525b_415baa-70081_1__82164.jpg?v=1775190771","url":"https:\/\/aeliyamarine.com\/products\/abb-rej525b-415baa-overcurrent-and-earth-fault-relay-110-240-vac","provider":"Aeliya Marine","version":"1.0","type":"link"}