AC Current Inputs (18 total) | 15 inputs with 5 A or 1 A ordering options 3 inputs with 0.2 A, 1 A, or 5 A ordering options |
AC Voltage Inputs (6 total) | 300 Vac continuous, 600 Vac for 10 seconds |
Output Contacts | The relay supports Form A and C outputs. |
Optoisolated Control Inputs | DC/AC control signals: 24, 48, 110, 125, 220, and 250 V |
Serial | 1 front-panel and 3 rear-panel EIA-232 serial ports 300–57,600 bps |
Ethernet | Communications protocols include Modbus TCP, FTP, Telnet, synchrophasors, DNP3 LAN/WAN, PRP, PTPv2, and IEC 61850 Edition 2 (optional). For PTPv2 implementation, Ports 5A and 5B must be used for engineering access and SCADA. Choose from the following port options:
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Precise-Time Input | Demodulated IRIG-B time input and PTPv2 |
Synchrophasors | Synchrophasor measurement: IEC/IEEE 60255-118-1:2018 (IEEE Std. C37.118.1:2011, 2014a) Synchrophasor data transfer: IEEE Std. C37.118.2:2011 Up to 50 messages per second (50 Hz system) Up to 60 messages per second (60 Hz system) UDP multicast capability |
Frequency and Phase Rotation | System frequency: 50, 60 Hz Phase rotation: ABC, ACB Frequency tracking: 5–120 Hz (requires ac voltage inputs) |
Autosynchronizing | Control: As many as four breakers Control pulse modes: Proportional width, fixed duration, and proportional frequency |
Power Supply | 24–48 Vdc 48–125 Vdc or 110–120 Vac 125–250 Vdc or 110–240 Vac |
Operating Temperature | –40° to +85°C (–40° to +185°F) |