{"product_id":"abb-reb500bu-1khl160006r0001h-busbar-protection-bay-unit","title":"ABB REB500BU 1KHL160006R0001H Busbar Protection Bay Unit","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eABB REB500BU (Part Number: 1KHL160006R0001H)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a decentralized Bay Unit designed for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ebusbar protection\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein medium-, high-, and extra-high-voltage substations. It provides fast, reliable protection, control, and supervision of single busbars, suitable for high-impedance applications in utility and industrial power networks. This module also supports restricted earth-fault and residual earth-fault protection for generators, motors, transformers, and reactors.\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eREB500BU\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as the local intelligence of a distributed busbar protection scheme, acquiring analog signals, monitoring breaker and isolator status, and transmitting data to a Central Unit (CU) for coordinated control.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eHigh-Speed Fault Detection\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSub-cycle fault tripping for rapid response, typically within\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e15–20 ms\u003c\/strong\u003e, ensuring minimal disruption to primary equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLow-impedance differential protection isolates only the faulted section of the busbar\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eComprehensive Protection Functions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBreaker Failure Protection (BFP):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMonitors the tripping response of circuit breakers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnd-Fault Detection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProtects the line between CT and breaker\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOvercurrent and Overvoltage Backup:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProvides independent back-up protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDisturbance Recording:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated memory for event waveform capture and analysis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCommunication \u0026amp; Integration\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIEC 61850 Compliance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFull MMS and GOOSE support for digital substation integration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Speed Data Exchange:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCompatible with process bus architectures\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundant Networking:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePRP (Parallel Redundancy Protocol) support ensures continuous communication even if a network path fails\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eHardware \u0026amp; Environmental Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eMultiple binary inputs for breaker\/isolator status and fast-acting relay outputs for tripping\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSelf-supervision of hardware and software health with immediate alarm generation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e–25°C to +55°C (standard) or up to +70°C in specific configurations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOptimized for use with standard CTs, reducing system complexity and cost\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications Table\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth align=\"left\"\u003eFeature\u003c\/th\u003e\n\u003cth align=\"left\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eREB500BU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e1KHL160006R0001H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eDistributed Busbar \u0026amp; Breaker Failure Protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eNominal Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e50 Hz, 60 Hz, or 16.7 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eEthernet (RJ45 or Fiber Optic), IEC 61850\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eMeasurement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e16-bit A\/D conversion for CT\/VT inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eRack or panel mount, 6U height typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eWidth: Frame 177 mm, Case 164 mm; Height: Frame 177 mm, Case 160 mm; Depth: 201 mm (153 + 48 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eComplete unit: 4.1 kg; Plug-in module: 2.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eAuxiliary Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eType 1: AC 100–240 V, 50\/60 Hz; Type 2: DC 24–250 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eType 1: \u0026lt;15 W max; Type 2: \u0026lt;10.8 W max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eMaximum 50 ms at nominal voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eFuse\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eT4A\/250 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSubstation busbar protection (MV, HV, EHV)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGenerator, transformer, motor, and reactor earth-fault monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBreaker failure detection and backup protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDigital substation integration with IEC 61850 networks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What role does the REB500BU play in a substation?\u003c\/strong\u003e\u003cbr\u003eA: It acts as the local Bay Unit, monitoring currents, voltages, and breaker status, while supporting protection logic independently or in coordination with a Central Unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is it compatible with IEC 61850 systems?\u003c\/strong\u003e\u003cbr\u003eA: Yes, it supports IEC 61850-8-1 with MMS and GOOSE protocols for seamless digital substation integration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the typical response times for fault detection?\u003c\/strong\u003e\u003cbr\u003eA: Fault detection and tripping typically occur within 15–20 milliseconds.\u003c\/p\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":44121877479523,"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-busbar-protection-bay-unit","provider":"Precise Module Ltd.","version":"1.0","type":"link"}