W620

  Over Current

    Phase

    Earth

  SEF (Sensitive Earth Fault)

  NPS (Negative Phase Sequence)

  Cold Load

  Synchronism Check

  Direction Detection

  2^nd Harmonic Block

  Open Line Detection

  Over / Under Voltage

  Over / Under Frequency

  Auto Sectionalizing

  Analog Hi/Low Alarm

Measurement

  Voltage Common Bus

  Current Phase/ Earth

  Power Active/ Reactive/ Apparent

  Power Factor

  Frequency

  Temperature

PQM

  Sag/ Swell/ Interruption

  Displacement Power Factor

  Sequence Component

  THD Voltage/ Current

  Harmonic 2-31^st  (Odd/Even) Voltage/ Current

  Voltage/ Current Unbalance

Recording

  Function Event

  Digital I/O Event

  System Event

  PQM Event

  Analog Input Event

  Counters  Switch Open, Switch Close, …

Additional Functions

  4-Quadrant Metering

  Analog Alarm

Analog Input

  3 Voltage  Source (Per Feeder)

  4 Current  3 Phase/ 1 Neutral (Per Feeder)

Digital Input/ Output

  15 Input (Common) + 7 Input (Per Feeder)

  3 Output(Common) + 2 Output (Per Feeder)

HMI

  160*160 Graphic Display (BW)

  14 Button Keyboard

  35 Led Indicator

Communication

  Ethernet – DNP3.0(AES128), IEC60870-5-101/104, HMI Software

  Serial RS232 – DNP3.0(AES128), IEC60870-5-101/104

  Serial RS232 – HMI Software

Hardware

  Power Supply

  Battery Charger

  Battery Test Circuit

Environment Condition

  Operating Temperature -25 to +70 ^o C

  Humidity < 95% RH

  Altitude < 2000 m

Mechanical Parameters

  Dimensions: 352 * 215 * 70 mm

  Panel Cut-Out: 327 * 195 mm