Sepam™ Characteristics

Sepam™ 20/40/80 Characteristics

Protection Configurations

Characteristics

Series 20

Series 40

Series 80

Logic inputs 0-10 0-10 0-42
Logic outputs 4-8 4-8 5-23
Temperature sensors 0-8 0-16 0-16
Channels Current 3I + I0 Current 3I + I0 Current 2 x 3I + 2 x I0
Voltage 3V + V0 Voltage 3V + V0 Voltage 2 x 3V + V0
LPCT [1] LPCT [1] LPCT [1]
Communication Ports 1-2 1-2 2-4
ModBus, IEC 103, DNP3, IEC 61850 ModBus, IEC 103, DNP3, IEC 61850 ModBus, IEC 103, DNP3, IEC 61850
--- Redundancy Redundancy
--- --- Goose Messaging
Control Matrix [2] Matrix [2] Matrix [2]
Logic equation editor Logic equation editor
--- --- Logipam [3]
Other --- --- Front memory cartridge with settings
--- Backup 48 hours (capacitor) Backup lithium battery [4]

Metering Measurements (Basic — Sepam Series 20)

Metering

Measurement Range

Accuracy

Phase Current / Residual Current (Calculated)

0.1 to 40 In

±1%

Residual Current (Measured)

0.1 to 20 In0

±1%

Demand Current / Peak Demand Current

0.1 to 40 In

±1%

Phase-to-Phase Voltage / Phase-to-Neutral Voltage

0.05 to 1.2 Vnp

±1%

Residual Voltage

0.015 to 3 Vnp

±1%

Positive Sequence Voltage

0.05 to 1.2 Vnp

±5%

Frequency

50 ± 5 Hz or 60 ± 5 Hz

±0.05 Hz

Temperature

-22 to +392 °F (-30 to +200 °C)

±1 °C from -20 to +140 °C

Metering Measurements (Standard — Sepam Series 40)

Metering

Measurement Range

Accuracy

Phase Current / Residual Current (Calculated)

0.1 to 40 In

±0.5%

Residual Current (Measured)

0.1 to 20 In0

±1%

Demand Current / Peak Demand Current

0.1 to 40 In

±0.5%

Phase-to-Phase Voltage / Phase-to-Neutral Voltage

0.06 to 1.2 Vnp

±0.5%

Residual Voltage

0.04 to 3 Vnp

±1%

Positive Sequence Voltage / Negative Sequence Voltage

0.05 to 1.2 Vnp

±2%

Frequency

25 to 65 Hz

±0.02 Hz

Active Power

0.015 Sn to 999 MW

±1%

Reactive Power

0.015 Sn to 999 MVar

±1%

Apparent Power

0.015 Sn to 999 MVA

±1%

Peak Demand Active Power

0.015 Sn to 999 MW

±1%

Peak Demand Reactive Power

0.015 Sn to 999 MVar

±1%

Power Factor

-1 to +1 (CAP/IND)

±1%

Calculated Active Energy

0 to 2.1x108 MWH

±1% ±1 digit

Calculated Reactive Energy

0 to 2.1x108 MVARH

±1% ±1 digit

Temperature

-22 to +392 °F (-30 to +200 °C

±1 °C from -20 to +140 °C

Metering Measurements (Advanced — Sepam Series 80)

Metering

Measurement Range

Accuracy

Phase Current 0.02 to 40 In ±0.5%
Residual Current (Calculated) 0.005 to 40 In ±1%
Residual Current (Measured) 0.005 to 20 In0 ±1%
Demand Current / Peak Demand Current 0.02 to 40 In ±0.5%
Phase-to-Phase Voltage / Phase-to-Neutral Voltage 0.05 to 1.2 Vnp ±0.5%
Residual Voltage / Neutral Point Voltage 0.015 to 3 Vnp ±1%
Positive Sequence Voltage / Negative Sequence Voltage 0.05 to 1.2 Vnp ±2%
Frequency 50 ± 5 Hz or 60 ± 5 Hz ±0.01 Hz
Active Power 0.008 Sn to 999 MW ±1%
Reactive Power 0.008 Sn to 999 MVar ±1%
Apparent Power 0.008 Sn to 999 MVA ±1%
Peak Demand Active Power 0.008 Sn to 999 MW ±1%
Peak Demand Reactive Power 0.008 Sn to 999 MVar ±1%
Power Factor -1 to +1 (CAP/IND) ±1%
Calculated Active Energy 0 to 2.1x108 MWH ±1% ±1 digit
Calculated Reactive Energy 0 to 2.1x108 MVARH ±1% ±1 digit
Temperature -22 to +392 °F (-30 to +200 °C) ±1 °C from -20 to +140 °C
Rotation Speed 0 to 7200 RPM ±1 RPM

Footnotes

  1. LPCT: low-power current transducer complying with standard IEC 60044-8.
  2. Control matrix for simple assignment of information from the protection, control and monitoring functions.
  3. Logipam ladder language (PC programming environment) to make full use of Sepam series 80 functions.
  4. Standard lithium battery 1/2 AA format 3.6 V front face exchangeable.

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