{"product_id":"abb-reb500bu-1khl160006r0001h-bay-unit-protection-module","title":"ABB REB500BU 1KHL160006R0001H Bay Unit Protection Module","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eREB500BU (1KHL160006R0001H)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance Bay Unit designed for the ABB REB500 distributed busbar protection system. This module provides precise, high-speed acquisition of current and voltage signals from the primary substation equipment and executes both local and centralized protection functions. It is installed in individual feeder cubicles and communicates with the Central Unit over fiber-optic networks, ensuring reliable and fast protection for complex substation configurations.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDistributed Protection Architecture:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEach Bay Unit operates autonomously for local fault detection while integrating seamlessly with the Central Unit for system-wide busbar protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRapid Fault Response:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSub-cycle tripping (\u0026lt;15 ms) preserves system stability and prevents equipment damage during busbar faults.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Precision Measurement:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAdvanced ADCs provide accurate current and voltage sampling for differential and overcurrent protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLocal Redundancy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports autonomous protection functions such as Breaker Failure Protection (BFP) and End Fault Protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIEC 61850 Compliant:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnables GOOSE messaging and MMS communication for modern substation automation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCT Supervision:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMonitors current transformer circuits to detect open or malfunctioning CTs and prevent misoperation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Mounting Options:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRack-mounted or panel-mounted installation with compact dimensions (100 × 160 × 160 mm).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eAdvanced Cybersecurity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCentralized account management, user access control, and activity logging ensure secure operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABB REB500 Distributed Busbar Protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUnit Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBay Unit (BU)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1KHL160006R0001H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBusbar Differential, Breaker Failure, Overcurrent, End Fault\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Protocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIEC 61850-8-1 (GOOSE, MMS), PRP (IEC 62439-3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Signals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCT inputs, breaker status, isolator position\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSynchronization\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSNTP or PPS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24–250 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTripping Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;15 ms (system-wide)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRack-mounted or panel-mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 × 160 × 160 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironmental Compliance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIEC 60255 series standards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSwitzerland\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\u003cstrong\u003eApplication Scenarios\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eIdeal for high-voltage substations requiring fast, selective protection of busbar systems. Supports integration into digital substations, SCADA, and modern automation networks with IEC 61850 compliance.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the REB500BU operate if the Central Unit fails?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it provides autonomous local protection including Breaker Failure and End Fault logic.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many Bay Units can a single REB500 system support?\u003c\/strong\u003e\u003cbr\u003eA: Up to 60 bay units can be integrated into one system for large-scale substations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is fiber-optic communication mandatory?\u003c\/strong\u003e\u003cbr\u003eA: Fiber optics ensure high-speed, interference-free data exchange, but star or ring topologies are supported.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44133862637667,"sku":"REB500BU 1KHL160006R0001H","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/ABBREB500BU1KHL160006R0001H.jpg?v=1776410694","url":"https:\/\/precisemodule.com\/products\/abb-reb500bu-1khl160006r0001h-bay-unit-protection-module","provider":"Precise Module Ltd.","version":"1.0","type":"link"}