- Description: Line Current Differential Protection and Automation System
- Power supply: 48/125 V DC or 125 V AC
- Firmware: Standard, three-pole differential and distance protection
- Mounting: 3U vertical panel mount
- Secondary input current: 5 amp phase and 5 amp polarizing current input
- Control input voltage: 125 V DC
- Communications protocol: DNP3 level 2 slave (include all protocols listed above)
- Contormal coat: None
- Secondary input voltage: Wye-connected Va, Vb, and Vc (150 V AC maximum phase-neutral; channel Vs also rated to 150 V AC)
- Line current differential communications channel X; channel Y: 1300nm fiber; 1300nm fiber
- I/O Board: No additional I/O (3U chassis only)
- Manufacturer: Schweitzer Engineering Laboratories
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Alternates
- SEL-311L
Common Typos
- 0311104DD3254X1XX
- 0311104DD3254XIXX
- 0311104DD3254XLXX
- 0311L04DD3254XIXX
- 0311L04DD3254XLXX
- 0311L04DD32S4X1XX
- 0311L04DD32S4XIXX
- 0311L04DD32S4XLXX
- 0311L04DD3Z54X1XX
- 0311L04DD3Z54XIXX
- 0311L04DD3Z54XLXX
- 0311L04DD3ZS4X1XX
- 0311L04DD3ZS4XIXX
- 0311L04DD3ZS4XLXX
- 0311LO4DD3254X1XX
- 0311LO4DD3254XIXX
- 0311LO4DD3254XLXX
- 0311LO4DD32S4X1XX
- 0311LO4DD32S4XIXX
- 0311LO4DD32S4XLXX
- 0311LO4DD3Z54X1XX
- 0311LO4DD3Z54XIXX
- 0311LO4DD3Z54XLXX
- 0311LO4DD3ZS4X1XX
- 0311LO4DD3ZS4XIXX
- 0311LO4DD3ZS4XLXX
Appended Numbers
- 0311L04DD3254X1XX-A
- 0311L04DD3254X1XX-B
- 0311L04DD3254X1XX-C
- 0311L04DD3254X1XX-D
- 0311L04DD3254X1XX-E
- 0311L04DD3254X1XX-F
- 0311L04DD3254X1XX-G
- 0311L04DD3254X1XX-H
- 0311L04DD3254X1XX-I
- 0311L04DD3254X1XX-J
- 0311L04DD3254X1XX-K
- 0311L04DD3254X1XX-L
- 0311L04DD3254X1XX-M
- 0311L04DD3254X1XX-N
- 0311L04DD3254X1XX-O
- 0311L04DD3254X1XX-P
- 0311L04DD3254X1XX-Q
- 0311L04DD3254X1XX-R
- 0311L04DD3254X1XX-S
- 0311L04DD3254X1XX-T
- 0311L04DD3254X1XX-U
- 0311L04DD3254X1XX-V
- 0311L04DD3254X1XX-W
- 0311L04DD3254X1XX-X
- 0311L04DD3254X1XX-Y
- 0311L04DD3254X1XX-Z
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