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      • Relay protection
        • Transmission
          • SEL-411L Advanced Line Differential Protection, Automation, and Control System
          • SEL-279H Two circuit breakers APV, Voltage relay, Synchronous control relay
          • SEL-311C Transmission Protection System
          • SEL-311L Line Current Differential Protection and Automation System
          • SEL-321 Phase and ground distance relay
          • SEL-421 Protection, Automation, and Control System
          • SEL-321-5 Phase and Ground Distance Relay
          • SEL-387L Line Current Differential Relay
          • SEL-T400L Time-Domain Line Protection
          • SEL-T401L Ultra-High-Speed Line Relay
        • Distribution
          • SEL-651R Advanced recloser control
          • SEL-351A Line protection relay
          • SEL-501 Dual Universal Overcurrent Relay
          • SEL-551C Overcurrent/Reclosing Relay
          • SEL-632 Network security device
          • SEL-751 Feeder protection relay
          • SEL-751A Feeder protection relay
          • SEL-351 Protection System
          • SEL-351S Protection System
          • SEL-451 Protection, Automation, and Bay Control System
          • SEL-4520 Arc-Flash Test Module
          • SEL-551 Overcurrent/Reclosing Relay
          • SEL-2431 Voltage Regulator Control
          • SEL-351 Falcon Recloser Control
          • SEL-351R Recloser Control
          • SEL-351RS Kestrel Single-Phase Recloser Control
          • SEL-651RA Recloser Control
          • SEL-501 Dual Universal Overcurrent Relay
        • Generators and Motors
          • SEL-300G Generator protection relay
          • SEL-700G Generator protection relay
          • SEL-700GT Intertie protection relay
          • SEL-700GW Wind generator relay
          • SEL-701 Motor protection relay
          • SEL-2600 RTD thermal data reception and transmission module
          • SEL-387A Current differential and over-current relay
          • SEL-2664 Field Ground Module
          • SEL-2664S Stator Ground Protection Relay
          • SEL-547 Distributed Generator Interconnection Relay
          • SEL-710-5 Motor Protection Relay
          • SEL-749M Motor Relay
          • SEL-849 Motor Management Relay
          • SEL-400G Advanced Generator Protection System
          • SEL-700BT Motor Bus Transfer Relay
          • SEL-710 Motor protection relay
        • Substations
          • SEL-587 Current differential relay
          • SEL-587Z High-Impedanance differential relay
          • SEL-787 Transformer protection relay
          • SEL-387 Current Differential and Overcurrent Relay
          • SEL-352 Breaker Failure Relay
          • SEL-387E Current Differential and Voltage Relay
          • SEL-487B Bus Differential and Breaker Failure Relay
          • SEL-487E Transformer Protection Relay
          • SEL-487V Capacitor Protection and Control System
          • SEL-787-3E/-3S/-4X Transformer Protection Relay
          • SEL-387A Current Differential and Overcurrent Relay
          • SEL-787-2/-3/-4 Transformer Protection Relay
          • SEL-2414 Transformer Monitor
          • SEL-451 Protection, Automation, and Bay Control System
      • Automation systems
        • Controllers
          • SEL-2032 Communications Processor
          • SEL-2100 Logic Processor
          • SEL-2240 Axion
          • SEL-2411 Programmable Automation Controller
          • SEL-2440 DPAC - Discrete Programmable Automation Controller
          • SEL-3373 Station Phasor Data Concentrator (PDC)
          • SEL-3378 Synchrophasor Vector Processor
          • SEL-3350 Automation Controller
          • SEL-2411P Pump Automation Controller
        • RTAC's
          • SEL-3505/3505-3 Real-Time Automation Controller (RTAC)
          • SEL-3530/3530-4 Real-Time Automation Controller (RTAC)
          • SEL-3532/3533 RTAC Conversion Kits
          • SEL-3555 Real-Time Automation Controller (RTAC)
          • SEL-3560 Real-Time Automation Controller (RTAC)
        • SEL-2414 Transformer control relay
        • SEL-1102 Computing platform for value-added resellers
      • Metering
        • SEL-735 Power Quality and Revenue Meter
      • Remote I/O
        • SEL-2505 Remote input fiber optic cable
        • SEL-2506 Rack-mount remote I/O module
        • SEL-2505PB Remote I/O module for testing and commissioning
        • SEL-2515 Remote I/O module
        • SEL-2516 Rack-Mount Remote I/O Module
        • SEL-2595 Teleprotection Terminal
        • SEL-3094 Interface Converter
        • SEL-2507 High-Speed Remote I/O Module
      • Announcement and Notification
        • SEL-2522 Alarm Panel
        • SEL-2523 Annunciator Panel
        • SEL-2533 Annunciator
      • Fault Indicators and Sensors
        • SEL-AR360 Overhead AutoRANGER Fault Indicators
        • SEL-AR-OH Overhead AutoRANGER
      • Computers
        • SEL-3355 Rack-Mount Rugged Computer
        • SEL-3360 Compact Industrial Computer
        • SEL-3354 Computing Platform
        • SEL-3390E4 Network Adapter Card
        • SEL-3390S8 Serial Adapter Card
      • Precise time
        • SEL-2401 Satellite-Synchronized Clock
        • SEL-2404 Satellite-Synchronized Clock
        • SEL-2407 Satellite-Synchronized Clock
        • SEL-3400 IRIG-B Distribution Module
        • SEL-3401 Digital Clock
        • SEL-2488 Satellite-Synchronized Network Clock
        • SEL-ICON Integrated Communications Optical Network
      • Communications
        • WAN & LAN networks
          • SEL-ICON Integrated Communications Optical Network
          • SEL-3620 Ethernet Security Gateway
          • SEL-3622 Security Gateway
          • SEL-3610 Port Server
          • SEL-2725 Five-Port Ethernet Switch
          • SEL-2730M Managed 24-Port Ethernet Switch
          • SEL-2740S Software-Defined Network Switch
          • SEL-2742S Software-Defined Network Switch
          • SEL-2890 Ethernet Transceiver
        • Wireless communication
          • SEL-3031 Serial Radio Transceiver
          • SEL-3061 Cellular Router
          • SEL-2924 Portable BLUETOOTH Serial Adapter
          • SEL-2925 BLUETOOTH Serial Adapter
        • Transceivers
          • 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-2894 Interface Converter
      • 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
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