html{display:none} SEL GSA Schedule | Schweitzer Engineering Laboratories

SEL GSA Schedule

The General Services Administration (GSA) awarded Schweitzer Engineering Laboratories a contract on November 15, 2002. This contract allows our government customers to purchase the following products and training at a predetermined price, eliminating the lengthy competitive bidding process. To qualify as a GSA purchase, you must include SEL's contract number, GS-Ø7F-Ø123N, on your Purchase Order.



Transmission Protection

Legacy SEL-311A Phase and Ground Distance Relay
Legacy SEL-311B Distance Relay With Recloser
SEL-311CProtection and Automation System
SEL-311LLine Current Differential Protection and Automation System
SEL-321-0, -1, -2, -3, -4Phase and Ground Distance Relay
SEL-321-5Phase and Ground Distance Relay
SEL-387LLine Current Differential Relay
SEL-411LAdvanced Line Differential Protection, Automation, and Control System
SEL-421High-Speed Line Protection, Automation, and Control System

Distribution Protection

SEL-351, -5, -6, -7Directional Overcurrent and Reclosing Relays
SEL-351ADistribution Protection System
SEL-351RRecloser Control
SEL-351R FalconRecloser Control
SEL-351SProtection and Breaker Control Relay
SEL-451Protection, Automation, and Control System
SEL-487VCapacitor Protection and Control System
SEL-501, -2Dual Universal Overcurrent Relay
SEL-547Distributed Generator Interconnection Relay
SEL-551Overcurrent/Reclosing Relayy
SEL-551COvercurrent/Reclosing Relay
SEL-651RAdvanced Recloser Control
SEL-751Feeder Protection Relay
SEL-751AFeeder Protection Relay
SEL-2431Voltage Regulator Control

Fault Indicators and Sensors

Accessories and Tools 
AR-OHOverhead AutoRANGER
AR-URDUnderground AutoRANGER
BERBEACON Electrostatic Reset
BTRIPBEACON Field-Programmable Timed Reset
CRCurrent Reset
CRDCurrent Reset
CTSplit-Core Current Transformers
ERLElectrostatic Reset
FCFault Counters
GFDGround Fault Detector
MCGMagnetic Cable Guide
MR and MBManual Reset
PILCPaper-Insulated Lead Cable
RadioRANGERWireless Fault Indication System
SRSecondary/Low-Voltage Reset
TPRTest Point Reset
TRTimed Reset
VINVoltage Indicators
VSVoltage Sensors
WSOWireless Sensor for Overhead Lines

Transformer, Bus, Breaker, and Capacitor Protection

SEL-352Breaker Failure Relay
SEL-387Current Differential and Overcurrent Relay
SEL-387ACurrent Differential and Overcurrent Relay
SEL-387E Current Differential and Voltage Relay
SEL-487BBus Protection Relay
SEL-487ETransformer Protection Relay
SEL-587Current Differential Relay
SEL-587ZHigh-Impedance Differential Relay
SEL-787Transformer Protection Relay
SEL-2414Transformer Monitor

Generator and Motor Protection

SEL-300GGenerator Protection Relay
SEL-700GGenerator Protection Relay
SEL-701Motor Protection Relay
SEL-710Motor Protection Relay
SEL-749MMotor Relay
SEL-849Motor Management Relay
SEL-2600RTD Module
SEL-2664Field Ground Module


SEL-734Revenue Metering System
SEL-734BAdvanced Monitoring & Control System
SEL-734TAdvanced Digital Transducer
SEL-735Revenue Meter

Precise Time

SEL-2401Satellite-Synchronized Clock
SEL-2404Satellite-Synchronized Clock
SEL-2407Satellite-Synchronized Clock
SEL-3401Digital Clock


SEL-3378 Synchrophasor Vector Processor
SEL-5077 synchroWAVe Server Software

Information Processors

SEL-2032Communications Processor
SEL-2100Logic Processor
SEL-2701Ethernet Processor
SEL-3505/3505-3Real-Time Automation Controller (RTAC)

Networking and Communications

SEL-2725Five-Port Ethernet Switch
SEL-2730MManaged 24-Port Ethernet Switch
SEL-2730UUnmanaged 24-Port Ethernet Switch
SEL-2886EIA-232 to EIA-485 Interface Converter
SEL-2890Ethernet Transceiver
SEL-3021-1Serial Encrypting Transceiver
SEL-3021-2Serial Encrypting Transceiver
SEL-3022Wireless Encrypting Transceiver
SEL-3031Serial Radio Transceiver
SEL-3610Port Server
SEL-3620Ethernet Security Gateway

I/O Processors and Controllers

SEL-2411Programmable Automation Controller
SEL-2440DPAC Discrete Programmable Automation Controller
SEL-2505Remote I/O Module
SEL-2506Rack-Mount Remote I/O Module
SEL-2515Remote I/O Module
SEL-2516Rack-Mount Remove I/O Module
SEL-2594Contact Transfer Module
SEL-2595Teleprotection Terminal

Computing Platforms

SEL-3355Rack-Mount Rugged Computer

Fiber-Optic Products

SEL-2126Fiber-Optic Transfer Switch
SEL-2800Fiber-Optic Transceivers
SEL-2810Fiber-Optic Transceivers with IRIG-B
SEL-2812Fiber-Optic Transceivers With IRIG-B
SEL-2814Fiber-Optic Transceivers With Hardware Handshaking
SEL-2815Fiber-Optic Transceivers
SEL-2829Fiber-Optic Transceivers
SEL-2830Fiber-Optic Transceivers
SEL-2831Fiber-Optic Transceivers
SEL-2885EIA-232 to EIA-485 Transceiver
SEL-2894Interface Converter
SEL-3094Interface Converter


SEL-5010Relay Assistant Software
SEL-5020Settings Assistant Software
SEL-5030acSELerator QuickSet SEL-5030 Software
SEL-5040acSELerator Report Server SEL-5040 Software
SEL-5042acSELerator Report Viewer SEL-5042 Software
SEL-5601acSELerator Analytic Assistant SEL-5601 Software

Testing and Commissioning

SEL-2505PBMirrored Bits Interface
SEL-4000Relay Test System
SEL-4388Mirrored Bits Tester
SEL-4391Data Courier

Power Management Solutions

Autosynchronization Systems 
powerMAXPower Management and Control System
Remedial Action Schemes 

Annunciation and Notification

SEL-2522Alarm Panel
SEL-2523Annunciator Panel
SEL-3010Event Messenger

Cables and Cable Assemblies

Electrical Data CablesCategory 5e Ethernet Cables
Data Cables With Built-In Converters 
SEL-C805Multimode 200µm Core Fiber-Optic Cables
SEL-C807Multimode 62.5µm Core Fiber-Optic Cables
SEL-C809Single-mode 9µm Core Fiber-Optic Cables
Fiber-Optic Accessories 


SEL-2652Trip Coil Monitor
SEL-2910Port Isolator
SEL-9103/9104Dust and Splash Protection
SEL-9310Power Supply/Battery Charger
SEL-9321Low-Voltage DC Power Supply
SEL-9501Contact Arc Suppressor
SEL-9502Contact Arc Suppressor
SEL-9510Contact Arc Suppressor
SEL-LPSLinear Power Supply


LIT001AC Motor Protection (Book)
LIT002Analyzing and Applying Current Transformers (Book)
Instruction Manuals on CD or Paper 


SEL GSA-Approved Services

Schweitzer Engineering Laboratories, Inc. (SEL) provides cost effective engineering, procurement, and construction (EPC) capabilities, and delivers complete turnkey solutions worldwide. SEL engineering services support the application and operation of SEL equipment and other intelligent electronic devices (IEDs) applied on electric power systems.

SEL brings factory-trained, industry-experienced protection and automation engineers to every project for the best possible solution. In addition, a readily accessible pool of research, development, and application engineering resources lends a unique dimension to SEL engineering services.

SEL fills a growing need in the electric power industry as governmental entities struggle with the impacts of smaller engineering staffs and increasingly complex protection, monitoring, control, automation, metering, and security requirements.

SEL engineering services can meet the needs of your project through:


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