SEL SEL-387L Line Current Differential Relay
SEL-387L
Line Current Differential Relay
Use SEL-387L Line Current Differential Relays for economical, easy-to-apply line protect...
SEL
SEL SEL-311L Line Current Differential Protection and Automation System
SEL-311L
Line Current Differential Protection and Automation System
Use the SEL-311L Line Current Differential Relay with four-zo...
SEL SEL-787L Line Current Differential Relay
SEL-787L
Line Current Differential Relay
The SEL-787L is an economical and dependable line current differential protection soluti...
SEL SEL-421 Protection, Automation, and Control System
SEL-421
Protection, Automation, and Control System
Apply the SEL-421 for high-speed distance and directional protection and compl...
SEL SEL-9L Line Relay
SEL-9L
Line Relay
Apply the SEL-9L Line Relay on lines of any length or voltage level. With features such as software-selectable ...
SEL SEL-411L Advanced Line Differential Protection, Automation, and Control System
SEL-411L
Advanced Line Differential Protection, Automation, and Control System
Apply the SEL-411L for complete protection and con...
SEL SEL-T401L Ultra-High-Speed Line Relay
SEL-T401L
Ultra-High-Speed Line Relay
The SEL-T401L is a high-performance, easy-to-use line protective relay in a 3U package.
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SEL SEL-587Z High-Impedance Differential Relay
SEL-587Z
High-Impedance Differential Relay
High-Impedance Bus Differential Protection—Provide high-speed, economical bus protecti...
SEL SEL-7251 Electromechanical Direct-Replacement Assemblies
SEL-7251
Electromechanical Direct-Replacement Assemblies
Streamline retrofit projects by replacing electromechanical relays with ...
SEL SEL-787Z High-Impedance Differential Relay and SEL-HZM High-Impedance Module
SEL-787Z
High-Impedance Differential Relay and SEL-HZM High-Impedance Module
The SEL-787Z combines high-impedance protection prin...