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$11,182.94
SEL-311L
Line Current Differential Protection and Automation System
311L#04
4U horizontal panel mount
Current differential relay and backup distance protection
Single-pole differential and single-pole Zone 1 distance backup protection
Three EIA-232 ports, an EIA-485 port with IRIG-B, two 10/100BASE-T Ethernet ports, and two line differential 1300 nm fiber pairs
14 standard outputs and 6 inputs (125 Vdc control input voltage)
Additional 8 high-speed, high-current interrupting outputs and 8 inputs (125 Vdc control input voltage)
Power Supply
48/125 Vdc or 120 Va
125/250 Vdc or 120/230 Vac
1 A phase, 1 A neutral
5 A phase, 5 A neutral
1 A phase, 1 A neutral
5 A phase, 5 A neutral
Sales Item Number
311L#0401
311L#0403
311L#0402
311L#0404
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