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SEL Cables

High-quality cables for a variety of devices

Secure Communications

SEL manufactures high-quality cables for connecting a variety of devices. You can order cables to specific lengths to meet your needs. Each cable is quality-tested to ensure reliability and proper operation.

Quickly and easily select proper SEL cables for your applications using the SEL-5801 Cable Selector program.

A selection of the most popular electrical data, coaxial, Ethernet, fiber-optic, and USB cables can be found below. If you do not see a cable for your application, please use the cables request form.

Category 5e Ethernet Cables

High-quality, shielded twisted-pair (STP) category 5e Ethernet cables.

Cable NumberDescriptionSchematic
SEL-CA605CShielded PVC jacket with enclosed metal RJ45 connectors for typical 10/100/1000BASE-T Ethernet applicationsView
SEL-CA605RDouble-shielded PE jacket with enclosed metal RJ45 connectors for enhanced electromagnetic interference (EMI)/radio frequency interference (RFI) protection and excellent UV, oil, and moisture resistanceView
SEL-CA605M600 V AWM-rated TPE jacket with closed metal RJ45 connectors and CMX outdoor rating for enhanced electromagnetic interference (EMI)/radio frequency interference (RFI) protection and for use in motor control center applicationsView

Coaxial Cables

Coaxial cables for GPS and radio antenna connections and IRIG-B time distribution.

Cable NumberDescriptionSchematic
SEL-C953RG-58A/U coaxial cable with BNC male connectors on both endsView
SEL-C962RG-58A/U coaxial cable with BNC male connector to ferrule connectorsView
SEL-C963RG-58A/U coaxial cable with ferrule connectors on both endsView
SEL-C961LMR-400 coaxial cable with TNC connectors on both endsView
SEL-C256RG-58A/U coaxial cable with BNC male connector to 9-pin male serial cable (Pins 4 and 6 only)View
SEL-C256RRG-58A/U coaxial cable with BNC male connector to 9-pin male serial cables (Pins 4 and 6 only), with a 50-ohm termination resistor between Pins 4 and 6View
SEL-C964RG-8X coaxial cable with TNC male connector to N male connectorView
SEL-C965RG-8X coaxial cable with TNC male connectors on both endsView
SEL-C966LMR-400 coaxial cable with TNC male connector to N male connectorView
SEL-C968LMR-400 coaxial cable with N male connector on both endsView
SEL-C974RG58 coaxial cable for connecting an antenna to a SEL-FR12 Fault Receiver radioView
SEL-C975RG8-X coaxial cable for connecting an antenna to an SEL-FR12 Fault Receiver radioView

Electrical Data Cables

More electrical data cables can be found by using the SEL-5801 Cable Selector program.

Cable NumberDescriptionSchematic
SEL-C273ASEL communications processor (data and IRIG-B) to SEL-300/400/500/700 series products (except SEL-321 Phase and Ground Distance Relay)View
SEL-C273RSEL communications processor (data and IRIG-B) to SEL-300/400/500/700 series products (except SEL-321 Phase and Ground Distance Relay)View
SEL-C272ASEL communications processor (data) to SEL-200/300/400/500/700 series productsView
SEL-C272RSEL communications processor (data) to SEL-200/300/400/500/700 series productsView
SEL-C234AComputer terminal (DTE) 9-pin female connector to SEL communications processor or SEL-200/300/400/500/700 series products (data)View
SEL-C234MComputer terminal (DTE) 9-pin female connector to SEL communications processor or SEL-200/300/400/500/700 series products (data)View
SEL-C234RComputer terminal (DTE) 9-pin female connector to SEL communications processor or SEL-200/300/400/500/700 series products (data)View
SEL-C285SEL communications processor or SEL-200/300/400/500/700 series products (data) to SEL-3031 Serial Radio TransceiverView
SEL-C239SEL communications processor to SEL-200 series or SEL-321 Relay (data and IRIG-B)View
SEL-C641SEL communications processor or SEL-200/300/400/500/700 series products to SEL-2800 series transceivers (data)View
SEL-C246ASEL communications processor or SEL-200/300/400/500/700 series products to a DCE device with a 9-pin female connectorView
SEL-C276SEL communications processor (data and IRIG-B) to DTE devices with BNC IRIG-B inputView
SEL-C292ASEL communications processor or SEL-300/400/500/700 series products to SEL-2890 Ethernet TransceiverView
SEL-C387SEL communications processor or SEL-200/300/400/500/700 series products to SEL-3031 Serial Radio TransceiverView
SEL-C388DTE device with a 9-pin male connector to a DCE device with a 9-pin female connector (straight through)View

Fiber-Optic Cable Replacements for Metallic Data Cables

Fiber-optic cables that allow serial communications over distances greater than 100 feet without risk of electromagnetic interference (EMI)/radio frequency interference (RFI).

Cable NumberDescription
SEL-C273AFDSerial cable (EIA-232, heavy-duty fiber, DTE-DTE, DB-9 male/DB-9 male, IRIG-B)
SEL-C273AFZSerial cable (EIA-232, zipcord fiber, DTE-DTE, DB-9 male/DB-9 male, IRIG-B)
SEL-C272AF EIA-232 fiber-optic serial cable for connecting a DTE device to other DTE devices with 9-pin female connectors
SEL-C234AFEIA-232 fiber-optic serial cable for connecting a computer or terminal to a DTE device with a 9-pin female connector

SEL-3390S8 Serial Adapter Card Electrical Data Cable

Data cables specific to the serial adapter card for the SEL-3355.

Cable NumberDescriptionSchematic
SEL-C478ADTE-DCE (straight through) for existing legacy cables and fiber-optic transceivers, 1 to 6 ftView
SEL-C478N DTE-DCE (straight through) for existing legacy cables and fiber-optic transceivers and IRIG-B input, 1 to 6 ftView
SEL-C605DTE-DTE (null modem) with IRIG-B and +5 Vdc power, 1 to 6 ftView
SEL-C605ADTE-DTE (null modem) with IRIG-B, 1 to 100 ftView
SEL-C477 EIA-485 for connecting to GE DNP I/O Module, 1 to 150 ftView
SEL-C607 EIA-485 for connecting to GE DNP I/O Module, 1 to 150 ftView
SEL-C616* DTE-DCE (straight through) for modem and radio connections, 1 to 100 ft 
SEL-C629A DTE-DTE (null modem) with IRIG-B, 1 to 100 ft View
SEL-C659 DTE-DTE (null modem) with BNC IRIG-B connector, 3 to 100 ft View
SEL-C972 IRIG-B cable to connect to satellite clock, 1 to 130 ft View

*Please contact your local SEL customer service representative to order.

USB Serial Cables

Data cables specific to the serial adapter card for the SEL-3355.

Cable NumberDescription
SEL-C662USB port to EIA-232 9-pin male
SEL-C663USB port to EIA-232 9-pin female
SEL-C664*USB A-type to USB B-type cable 
SEL-C668*USB A-type 16 ft active extension cable

*Please contact your local SEL customer service representative to order.

Fiber Optic Cables

Order cable assemblies built to length, or order bulk cable, connectors, and termination kits to build cables onsite. 

Cable NumberDescriptionSchematic
SEL-C804 SEL-C804 Multimode Arc-Flash Detection Fiber-Optic Cables 
SEL-C814* SEL-C814 Multimode Arc-Flash Fiber-Optic Cables and AccessoriesView
SEL-C805 SEL-C805 200 µm Multimode Fiber-Optic CableView
SEL-C807 SEL-C807 62.5/200 µm Multimode Fiber-Optic CableView
SEL-C808 SEL-C808 62.5/125 µm Multimode Fiber-Optic CableView
SEL-C809 SEL-C809 9 µm Single-Mode FiberView

*Please contact your local SEL customer service representative to order.

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