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2 PRODUCT DESCRIPTION
CURRENT METERING
Accuracy at
0.1 to 2.0 CT rating: ±0.25% of reading or ±0.1% of rated
(whichever is greater)
2.0 CT rating:
±1.0% of reading
VOLTAGE
Accuracy:
±0.5% of reading from 10 to 208 V
AC CURRENT
CT rated primary:
1 to 50000 A
CT rated secondary:
1 A or 5 A by connection
Nominal frequency:
20 to 65 Hz
Relay burden:
< 0.2 VA at rated secondary
0.02 to 46 CT rating RMS symmetrical
Conversion range:
Current withstand:
20 ms at 250 times rated
1 sec. at 100 times rated
continuous 4xInom; URs equipped with
24 CT inputs have a maximum operating
temp. of 50°C
Short circuit rating:
150000 RMS symmetrical amperes, 250
V maximum (primary current to external
CT)
AC VOLTAGE
VT rated secondary:
50.0 to 240.0 V
VT ratio:
1.00 to 24000.00
Nominal frequency:
20 to 65 Hz
Relay burden:
< 0.25 VA at 120 V
Conversion range:
1 to 275 V
Voltage withstand:
continuous at 260 V to neutral
1 min./hr at 420 V to neutral
CONTACT INPUTS
1000 maximum
Dry contacts:
Wet contacts:
300 V DC maximum
Selectable thresholds:
17 V, 33 V, 84 V, 166 V
Tolerance:
±10%
Contacts per common return: 4
Recognition time:
< 1 ms
Debounce time:
0.0 to 16.0 ms in steps of 0.5
Continuous current draw:3 mA (when energized)
GE Multilin
FREQUENCY
Accuracy at
V = 0.8 to 1.2 pu:
I = 0.1 to 0.25 pu:
I > 0.25 pu:
CONTACT INPUTS WITH AUTO-BURNISHING
Dry contacts:
Wet contacts:
Selectable thresholds:
Tolerance:
Contacts per common return: 2
Recognition time:
Debounce time:
Continuous current draw:3 mA (when energized)
Auto-burnish impulse current: 50 to 70 mA
Duration of auto-burnish impulse: 25 to 50 ms
IRIG-B INPUT
Amplitude modulation:
DC shift:
Input impedance:
Isolation:
REMOTE INPUTS (IEC 61850 GSSE/GOOSE)
Input points:
Remote devices:
Default states on loss of comms.: On, Off, Latest/Off, Latest/On
Remote DPS inputs:
DIRECT INPUTS
Input points:
Remote devices:
Default states on loss of comms.: On, Off, Latest/Off, Latest/On
Ring configuration:
Data rate:
CRC:
CRC alarm:
Responding to:
Monitoring message count: 10 to 10000 in steps of 1
Alarm threshold:
Unreturned message alarm:
Responding to:
Monitoring message count: 10 to 10000 in steps of 1
Alarm threshold:
B90 Low Impedance Bus Differential System
2.2 SPECIFICATIONS
2.2.4 METERING
±0.001 Hz (when voltage signal is used
for frequency measurement)
±0.05 Hz
±0.001 Hz (when current signal is used
for frequency measurement)
2.2.5 INPUTS
1000 maximum
300 V DC maximum
17 V, 33 V, 84 V, 166 V
±10%
< 1 ms
0.0 to 16.0 ms in steps of 0.5
1 to 10 V pk-pk
TTL–Compatible
50 k
2 kV
32, configured from 64 incoming bit pairs
16
5
96
16
Yes, No
64 or 128 kbps
32-bit
Rate of messages failing the CRC
1 to 1000 in steps of 1
Rate of unreturned messages in the ring
configuration
1 to 1000 in steps of 1
2
2-13
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