{"product_id":"rele-diferencial-de-corrente-de-linha-sel-sel-387l","title":"SEL-387L Line Current Differential Relay","description":"\u003cp\u003eSEL SEL-387L Line Current Differential Relay\u003c\/p\u003e\n\u003cp\u003eUSED product out of manufacturer's box\u003c\/p\u003e\n\u003cp\u003eBrand: SEL\u003c\/p\u003e\n\u003cp\u003eModel: SEL-387L\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eA line current differential relay is a device used to protect electrical systems against short-circuit faults or differential overloads. It monitors the difference between the input and output currents of an electrical system, such as a transformer, motor, or transmission line, and acts to shut down the system if this difference exceeds a predetermined value.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eUse SEL-387L Line Current Differential Relays for economical and easy-to-apply line protection.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLine Current Differential Protection – Protect two-terminal transmission and sub-transmission lines with current transformers (CTs) of the same ratio at each end. Apply a 64 kbps digital communication channel for complete phase and ground fault protection with simple settings.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDifferential Communications—Apply the SEL-387L Line Current Differential Relay with a multiplexed communication system using single-mode fiber optics or the integrated IEEE C37.94-compliant connection. Connect to EIA-422 and G.703 multiplexers using the SEL-3094 Interface Converter.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEasy application\u003c\/p\u003e\n\u003cp\u003eProtect two-terminal transmission and sub-transmission lines with CTs of the same ratio at each end. Apply a 64 Kb digital communication channel for complete phase and ground fault protection with no settings.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eSimple installation\u003c\/p\u003e\n\u003cp\u003eConnect single-mode, 1300 and 1550 nm fiber optics for distances up to 120 km without a repeater. No additional transceivers are required.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eFlexible Communications\u003c\/p\u003e\n\u003cp\u003eApply the SEL-387L with a multiplexed communication system using the integrated IEEE C37.94-compliant connection. Connect to EIA-422 and G.703 multiplexers using the SEL-3094 Interface Converter.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLow-cost replacement for obsolete systems\u003c\/p\u003e\n\u003cp\u003eUse the SEL-387L for complete two-terminal line protection. Save money with low equipment costs and no configuration costs. Replace error-prone pilot-wire relays with a sensitive and secure fiber-optic line current differential relay. Use the integrated communications monitoring and alarm system to improve protection quality.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eacSELerator Software\u003c\/p\u003e\n\u003cp\u003eDevelop offline relay settings, program SELogic control equations, and analyze post-fault event reports.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eTechnical Features:\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003ePower Supply: 125\/250 VDC\u003c\/p\u003e\n\u003cp\u003e125\/250Vac 50\/60Hz \u0026lt;25w\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eLogic Input: 125 VDC\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDate: 03\/19\/2023\u003c\/p\u003e\n\u003cp\u003eWeight: 6.000Kg\u003c\/p\u003e\n\u003cp\u003eMeasurements: 17x24x50\u003c\/p\u003e\n\u003cp\u003eLocator: A11P3C\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDear customers, if the material is for resale, the ST (Tax Substitution) value may apply. If the operation is subject to this tax, the responsibility for payment is exclusively the buyer's.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eCabo Eletro Comercial LTDA thanks you.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e-------------------------- ATTENTION -----------------------------\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eMaterial installed, but never used.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eConsult photos to check the condition of the items that will be delivered after purchase.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e----------------------------------------------------------------------\u003c\/p\u003e","brand":"Sel","offers":[{"title":"Default Title","offer_id":49727155732717,"sku":"WS3707","price":5500.0,"currency_code":"BRL","in_stock":true}],"url":"https:\/\/caboeletro.com\/en\/products\/rele-diferencial-de-corrente-de-linha-sel-sel-387l","provider":"Cabo Eletro","version":"1.0","type":"link"}