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SEL Data Sheets

All of the files listed below are Adobe Acrobat format. If you do not have the Adobe Acrobat Reader software, please click here to download it now!

*Motor Protection*
SEL-701	Motor Protection Relay	SEL-701 Data Sheet	967 KB
SEL-501	Dual Universal Overcurrent Relay	SEL-501 Data Sheet	720 KB
		SEL-501-2 Data Sheet	686 KB
*Generator Protection*
SEL-300G	Generator Protection Relay	SEL-300G Relay	1.5 MB
*Transformer Protection*
SEL-387	Current Differential and Overcurrent Relay	SEL-387 Data Sheet	1.3 MB
SEL-387E	Current Differential and Voltage Protection Relay	SEL-387E Current Differential and Voltage Relay	1 MB
SEL-587	Current Differential Relay	SEL-587 Data Sheet	600 KB
*Feeder Protection*
SEL-351	Directional Overcurrent and Reclosing Relay	SEL-351 Data Sheet	1.6 MB
SEL-351A	Distribution Protection System	SEL-351A Data Sheet	1.5 MB
SEL-351R	Recloser Control	SEL-351R Data Sheet	1.5 MB
		SEL-351R Optional Heater Accessory Data Sheet	137 KB

SEL-351S	Protection and Breaker Control Relay	SEL-351S Relay	1.6 MB
SEL-501	Dual Universal Overcurrent Relay	SEL-501 Data Sheet	720 KB
		SEL-501-2 Data Sheet	686 KB
SEL-551/551C	Overcurrent/Reclosing Relay	SEL-551/551C Data Sheet	944 KB
*Line Protection*
SEL-421	High-Speed Line Protection, Automation, and Control System	SEL-421 High-Speed Line Protection, Automation, and Control System	1.9 MB
SEL-311L	Line Current Differential Protection and Automation System	SEL-311L Line Current Protection and Automation System	884 KB
SEL-311	Phase and Ground Distance Relay	SEL-311A Relay	1.8 MB
		SEL-311B Relay	1.7 MB
		SEL-311C Relay	990 KB
SEL-321	Phase and Ground Distance Relay	SEL-321 Data Sheet	568 KB
SEL-351	Directional Overcurrent and Reclosing Relay	SEL-351 Data Sheet	1.6 MB
SEL-351S	Protection and Breaker Control Relay	SEL-351S Relay	1.6 MB
*Communications Processors*
SEL-2020	Communications Processor	SEL-2020 Data Sheet	552 KB
SEL-2030	Communications Processor with Card Slot	SEL-2030 Data Sheet	1.7 MB
*Logic Processors*
SEL-2100	Logic Processor	SEL-2100 Data Sheet	604 KB
*Remote I/O Modules*
SEL-2505	Remote I/O Module	SEL-2505 Instruction Manual/Data Sheet	533 KB
*SEL Software*
SEL-5020	Settings Assistant Software	SEL-5020 Data Sheet	173 KB
*Rugged Computers*
SEL-3351	System Computing Platform	SEL-3351 Data Sheet	640 KB

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