Optional Functions

• Dual-zone phase distance protection for phase fault backup (21)

• Out of Step (78)

• Rate of change of frequency (81R)

Standard Features

• Eight programmable outputs and six programmable inputs

• Oscillograph recording

• 32-target storage

• Metering of all measured parameters

• Three communications ports (two RS-232. one RS-485)

• Standard 19″ rack-mount design

• Removable printed circuit board and power supply

• Both 50 and 60 Hz models available

• Both 1 and 5 Amp rated CT inputs available

• M-3822 IPScom® Communications Software

• IRIG-B time synchronization