美國SEL 綜合保護繼電器工廠直發 

     我們公司已經代理SEL 七個年頭了，逐漸成為了行業內的重點供應商，不僅在產品質量上渠道上把關嚴格，還針對這個品牌特殊打造了技術團隊，給予后續充分的支持；
SEL公司成立于1982年，是北美地區（包括美國、加拿大、墨西哥等國家）電力系統保護領域中zui大的研發和制造公司。SEL公司發明了世界上*臺全數字式保護繼電器，從而對整個電力系統保護行業產生了顛覆性的影響。1984年，SEL的*批產品銷往美國明尼蘇達州的Otter Tail電力公司，至今，SEL的產品已經遍布美國各州的電力行業，和119個國家。
    SEL總部設在美國華盛頓州帕爾曼市（Pullman），占地130英畝場地、10棟建筑和1400多名員工，專業設計和實施電力系統保護、檢測、控制、自動化和計量等完備的解決方案。同時，SEL在墨西哥的組屏廠，為墨西哥和的用戶提供保護組屏和控制解決方案。2004年，SEL并購了位于美國伊利諾斯州的E.O. Schweitzer（EOS）公司，專門制造故障指示器，電壓感應器和電流變壓器。
美國SEL代理-SEL微機保護裝置-SEL787等技術特性
美國SEL使電力更安全，更可靠，更經濟。為了完成這一任務，其設計，制造，和支持全系列的產品和服務的保護，監測，控制，自動化和計量，電力系統。我們的解決方案，范圍從全面的發電機和傳動保護配電自動化和控制系統。選擇政府服務部門致力于安全，安全，可靠的電力設施，從軍事基地的電力系統的船舶，而工程提供工程服務的能力和對國家和的客戶系統解決方案。
管理和motormax低壓電機保護系統
SEL-735 Revenue Meter
的電能質量和收益表sel-735比ANSI c12.20精度0.2級的要求更的三倍。*負載分布的趨勢，與ITRONmv-90，IEC 61850，DNP3和Modbus協議的兼容，保證了集成，幾乎任何計費系統。除了全套收入計量的特點，*電能質量監測報告昂貴的系統干擾。
SEL-751A Feeder Protection Relay
sel-751a的饋線保護繼電器是工業實用的饋線保護的正確的解決方案，靈活的I / O選項，安裝方便，快速設置。
提供完整的饋線保護，過流，過壓，欠壓，頻率元素。輕松升級保護不切割或鉆孔存在的缺口與一個小的形式因素和多種安裝適配器。很快融入串行或基于IEC 61850通信的以太網，鏡像比特，DeviceNet，和其他協議。
SEL-700G Generator Protection Relay
sel-700g繼電器的實用和工業發電機保護正確的解決方案，與autosynchronizer，靈活的I / O，和*通信。申請綜合主要和備份發電機保護繼電器sel-700g。
SEL-710 Motor Protection Relay
sel-710電機保護繼電器的特點行業zui準確的電機保護與設置，安裝，和通信方案設計，便于應用。accutrack與熱模型確定的zui長的安全sel-710起始時間（沒有速度開關需要）之間的等待時間和減少電動機的啟動33%。選擇八通信協議，包括以太網，Modbus，IEC 61850，和快速集成到控制系統DeviceNet。
SEL-787 Transformer Protection Relay
保護和監控工業變壓器的應用與通用sel-787變壓器繼電保護。應用2三相繞組的輸入，和一個可選的單相變壓器綜合保護限制接地故障輸入、三相電壓輸入。福利包括*自動化和靈活性，單或雙，銅或光纖以太網通信端口，資產管理數據，易于改造zui機電式繼電器。
概述：
有特色的應用程序
環球Protection-Provide簡單和經濟保護變壓器、斷路器、電機、電容器銀行,喂食器,與兩個獨立的三相過電流繼電器和其他設備,在一個緊湊的包。火炬傳遞提供了眾多保護方案,由用戶設置啟用。
應用Versatility-Set兩邊的雙繼電器對應于不同的應用程序。例如,一邊給料機應用程序,另一邊對斷路器故障的應用程序。
完成支線Protection-Install兩SEL-501/501-2雙重普遍在二輥式破碎機過載/雙重過流繼電器開關保護兩個單獨的喂食器。這提供了主要為每個饋線保護和備份。
變壓器Protection-Connect雙繼電器,變壓器的一側CTs變壓器過載和過電流保護。另一邊的繼電器連接到中性CT在懷依delta-wye變壓器為敏感的內部接地故障保護和備份外部故障保護。
美國SEL保護繼電器
選取了電力系統保護通過建立*個基于微處理器的保護繼電器。今天,選取了與高速保護繼電器,安全、可靠的故障檢測;準確故障定位;綜合自動化和控制功能。選取繼電器有zui高的平均故障間隔時間(MTBF)的市場(在500年)。
sel - 501
雙重普遍過電流繼電器
sel - 501雙普遍過電流繼電器是兩個成套保護;既可以配置為五個基本繼電器之一。

產品型號：
Protective Relays
Distribution Control
Metering
Fault Indicators and Sensors
Remote I/O
Annunciation and Notification
Automation Controllers
Computers
Software
Communications
Precise Timing
Cybersecurity
Enclosures and Panels
Rotary Switches
Cables
Accessories and Tools
3VR Three-Phase Voltage Reset
AR360 Overhead AutoRANGER Fault Indicators
AR-OH Overhead AutoRANGER
AR-URD Underground AutoRANGER
BER BEACON Electrostatic Reset
BTRI_IR BEACON Timed Reset
BTRIP BEACON Field-Programmable Timed Reset
Category 5e Ethernet Cable
Coaxial Cable
CRD Current Reset
CT Split-Core Current Transformers
Electrical Data Cables
ERL Electrostatic Reset
FC Fault Counters
GFD Ground Fault Detector
ICON Integrated Communications Optical Network
MB Manual Button Reset Fault Indicator
MCG Magnetic Cable Guides
MR Manual Reset
PILC Paper-Insulated Lead Cable Fault Indicator
Power Supplies Wall-Mount Power Supplies
powerCORE Substation Control Enclosures
RadioRANGER Wireless Fault Indication System
SEL Cables
SEL Compass Software and File Download Organization
SEL-1102 Computing Platform for Value-Added Resellers
SEL-2032 Communications Processor
SEL-2100 Logic Processor
SEL-2126 Fiber-Optic Transfer Switch
SEL-2240 Axion
SEL-2401 Salite-Synchronized Clock
SEL-2404 Salite-Synchronized Clock
SEL-2407 Salite-Synchronized Clock
SEL-2411 Programmable Automation Controller
SEL-2414 Transformer Monitor
SEL-2431 Voltage Regulator Control
SEL-2440 DPAC Discrete Programmable Automation Controller
SEL-2488 Salite-Synchronized Network Clock
SEL-2505 Remote I/O Module
SEL-2506 Rack-Mount Remote I/O Module
SEL-2515 Remote I/O Module
SEL-2516 Rack-Mount Remote I/O Module
SEL-2522 Alarm Panel
SEL-2523 Annunciator Panel
SEL-2533 Annunciator
SEL-2595 eprotection Terminal
SEL-2600 RTD Module
SEL-2652 Trip Coil Monitor
SEL-2664 Field Ground Module
SEL-2664S Stator Ground Protection Relay
SEL-2725 Five-Port Ethernet Switch
SEL-2726U Eight-Port Ethernet Switch
SEL-2730M Managed 24-Port Ethernet Switch
SEL-2730U Unmanaged 24-Port Ethernet Switch
SEL-2740M Managed Ethernet Switch
SEL-2740S Software-Defined Network Switch
SEL-2800 Fiber-Optic Transceivers
SEL-2810 Fiber-Optic Transceivers With IRIG-B
SEL-2812 Fiber-Optic Transceivers With IRIG-B
SEL-2814 Fiber-Optic Transceivers With Hardware Flow Control
SEL-2815 Fiber-Optic Transceiver/Modem
SEL-2820 Multimode Fiber-Optic EIA-485 Transceivers
SEL-2824 Multimode Fiber-Optic EIA-485 Transceivers
SEL-2829 Single-Mode Fiber-Optic Transceiver/Modem
SEL-2830 Single-Mode Fiber-Optic Transceiver/Modem
SEL-2831 Single-Mode Fiber-Optic Transceiver/Modem
SEL-2886 EIA-232 to EIA-485 Interface Converter
SEL-2890 Ethernet Transceiver
SEL-2894 Interface Converter
SEL-2910 Port Isolator
SEL-2924 Portable BLUETOOTH Serial Adapter
SEL-2925 BLUETOOTH Serial Adapter
SEL-300G Generator Relay
SEL-3025 Serial Shield
SEL-3031 Serial Radio Transceiver
SEL-3060 Ethernet Radio
SEL-3094 Interface Converter
SEL-311C Transmission Protection System
SEL-311L Line Current Differential Protection and Automation System
SEL-321 Phase and Ground Distance Relay
SEL-321-5 Phase and Ground Distance Relay
SEL-3332 Inligent Server
SEL-3351 System Computing Platform With Windows XP Professional
SEL-3354 Embedded Automation Computing Platform
SEL-3355 Rack-Mount Rugged Computer
SEL-3360 Compact Industrial Computer
SEL-3373 Station Phasor Data Concentrator (PDC)
SEL-3378 Synchrophasor Vector Processor
SEL-3390E4 Network Adapter Card
SEL-3390S8 Serial Adapter Card
SEL-3400 IRIG-B Distribution ModuleR
SEL-3401 Digital Clock
SEL-3405 High-Accuracy IRIG-B Fiber-Optic Transceiver
SEL-3505/3505-3 Real-Time Automation Controller (RTAC)
SEL-351 Protection System
SEL-351A Protection System
SEL-351R Falcon Recloser Control
SEL-351R Recloser Control
SEL-351RS Kestrel Single-Phase Recloser Control
SEL-351S Protection System
SEL-352 Breaker Failure Relay
SEL-3530/3530-4 Real-Time Automation Controller (RTAC)
SEL-3532/3533 RTAC Conversion Kits
SEL-3555 Real-Time Automation Controller (RTAC)
SEL-3610 Port Server
SEL-3620 Ethernet Security Gateway
SEL-3622 Security Gateway
SEL-387 Current Differential and Overcurrent Relay
SEL-387A Current Differential and Overcurrent Relay
SEL-387E Current Differential and Voltage Relay
SEL-387L Line Current Differential Relay
SEL-4000 Relay Test System
SEL-411L Advanced Line Differential Protection, Automation, and Control System
SEL-421 Protection, Automation, and Control System
SEL-4388 Mirrored Bits Tester
SEL-451 Protection, Automation, and Bay Control System
SEL-4520 Arc-Flash Test Module
SEL-487B Bus Differential and Breaker Failure Relay
SEL-487E Transformer Protection Relay
SEL-487V Capacitor Protection and Control System
SEL-501 Dual Universal Overcurrent Relay
SEL-5030 acSELerator QuickSet Software
SEL-5032 acSELerator Architect Software
SEL-5033 acSELerator RTAC Software
SEL-5035 acSELerator Diagram Builder Software
SEL-5045 acSELerator Team Software
SEL-5073 synchroWAVe Phasor Data Concentrator (PDC) Software
SEL-5078-2 synchroWAVe Central
SEL-547 Distributed Generator Interconnection Relay
SEL-551 Overcurrent/Reclosing Relay
SEL-551C Overcurrent/Reclosing Relay
SEL-5601-2015 synchroWAVe Event 2015
SEL-5630 acSELerator Meter Reports
SEL-587 Current Differential Relay
SEL-587Z High-Impedance Differential Relay
SEL-651R Advanced Recloser Control
SEL-651RA Recloser Control
SEL-700G Generator Protection Relay
SEL-701 Motor Protection Relay
SEL-710 Motor Protection Relay
SEL-710-5 Motor Protection Relay
SEL-734 Revenue Meter
SEL-734B Advanced Monitoring and Control System
SEL-734T Advanced Digital Transducer
SEL-735 Power Quality and Revenue Meter
SEL-749M Motor Relay
SEL-751 Feeder Protection Relay
SEL-751A Feeder Protection Relay
SEL-787 Transformer Protection Relay
SEL-787-3E/-3S/-4X Transformer Protection Relay
SEL-8315 Phase Comparison Faulted Circuit Indicator
SEL-849 Motor Management Relay
SEL-9192 Utility-Grade USB Modem
SEL-9220 Fiber-Optic Adapter for SEL-300 Series Relays
SEL-9321 Low-Voltage DC Power Supply
SEL-9322 15 VDC Power Supply
SEL-9331 Power Supply
SEL-9501 Contact Arc Suppressor
SEL-9502 Contact Arc Suppressor
SEL-9524 GNSS Antenna
SEL-9929 Salite-Synchronized Clock Display Kit
SEL-C662/C663 USB Serial Cables
SEL-C804 Multimode Arc-Flash Detection Fiber-Optic Cables
SEL-C805 200 µm Multimode Fiber-Optic Cable
SEL-C807 62.5/200 µm Multimode Fiber-Optic Cable
SEL-C808 62.5/125 µm Multimode Fiber-Optic Cable
SEL-C809 9 µm Single-Mode Fiber-Optic Cables
SEL-IDM IRIG-B Time-Code Demodulator
SEL-LPS Linear Power Supply
SEL-RS43/RS52/RS86 Rotary Switches
SEL-T400L Time-Domain Line Protection
SR Secondary/Low-Voltage Reset
TPR Test Point Reset
TR Timed Reset
VIN Voltage Indicators
VS Voltage Sensors
WSO Wireless Sensor for Overhead Lines

作為專業代理國外產品的貿易公司，我們已經在行業內發展了11年，公司逐步的做大做強，發展成為行業內為數不多的大型貿易商。

    美國SEL 綜合保護繼電器工廠直發