html{display:none} SEL-487V Capacitor Bank Protection, Automation, and Control System - Specifications | Schweitzer Engineering Laboratories


AC Current Inputs (6 total)5 A Nominal
1 A Nominal
AC Voltage Inputs (6 total)300 VL-N continuous, 600 Vac for 10 seconds
Serial1 front-panel and 3 rear-panel EIA-232 serial ports
300–57,600 bps
EthernetChoose from the following port options:
  • Two 10/100BASE-T twisted-pair network ports
  • Two 100BASE-FX fiber-optic network ports
  • One 10/100BASE-T twisted-pair network port and one 100BASE-FX fiber-optic network port
Communications ProtocolsSEL (Fast Meter, Fast Operate, and Fast SER), DNP3, FTP, IRIG-B, Telnet, SNTP, IEC 61850 edition 2, PRP, Mirrored Bits communications, and IEEE C37.118-2005 (synchrophasors).
SynchrophasorsIEEE C37.118 standard
Up to 60 messages per second
5 independent, configurable data streams
ProcessingAC voltage and current inputs: 8,000 samples per second
Primary protection and control processing: 8 times per power system cycle
Power Supply48–125 Vdc or 110–120 Vac
125–250 Vdc or 110–240 Vac
Operating Temperature−40℃ to +85℃ (−40℃ to +185℉)