Sel 751 Datasheet. Schweitzer Engineering SEL751 Relé de protección de alimentador SEL751 In addition, the SEL-751 is ATEX- and Underwriters Laboratories (UL) 33 Make: 30 A @ 250 Vdc per IEEE C37.90 Carry: 6 A @ 70°C 4 A @ 85°C The relay supports Form A, B, and C outputs
SEL Releases New Features for SEL751 Feeder Protection Relay T&D World from www.tdworld.com
The SEL-751 protection features depend on the model selected . 2 New Features Updated IEC 61850 protocol implementation to IEC 61850 Edition 2.1
SEL Releases New Features for SEL751 Feeder Protection Relay T&D World
Reliable Protection in Harsh Environments—The SEL-751 operates in extreme conditions, with an operating temperature of -40° to +85°C (-40° to +185°F), and it is designed and tested to exceed applicable standards, including vibration, electromagnetic compatibility, and adverse environmental conditions.In addition, the SEL-751 is ATEX-certified and Underwriters Laboratories (UL) Class. 4 Applications Figure 2 shows some typical protection applications for the SEL-751 Added manual closing voltage check conditions and voltage difference supervision to the synchronism-check
How to Set the SEL751—Part 1 Communications SEL Video Portal. The SEL-751 Feeder Protection Relay provides a comprehensive combination of protection, fault-locating features, monitoring, control, and communication in an industrial package 2 New Features Updated IEC 61850 protocol implementation to IEC 61850 Edition 2.1
SEL751 Feeder Protection Relay IEN Europe Feeder Protection Relay. Figure 1 Slot Z LEA Card With Rogowski Coil Connection for Current Input The SEL-751 offers an extensive variety of protection features, depending on the model and options selected. SEL-751 operates in extreme conditions, with an operating temperature of -40° to +85°C (-40° to +185°F), and is designed and tested to exceed applicable standards, including vibration, electromagnetic compatibility, and adverse environmental conditions