User`s guide

V3-T9-242 Volume 3—Power Distribution and Control Assemblies CA08100004E—November 2013 www.eaton.com
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9.4
Metering Devices, Protective Relays, Software and Connectivity
Protective Relays
Power Consumption
Power supply range:
19300 Vdc
Power consumption
in idle mode—7W
Maximum power
consumption—13W
Power supply range:
40–250 Vac (for
frequencies of 40–70 Hz)
Power consumption
in idle mode—7W
Maximum power
consumption—13W
Real-Time Clock
Running reserve of
the real-time clock:
1 year minimum
Display
Display type: LCD with
LED background
illumination
Resolution graphics
display: 128 x 64 pixel
LED type: Two colored—
red/green
Number of LEDs, housing
B2: 15
Digital Inputs
Maximum input voltage:
300 Vdc/270 Vac
Input current: <4 mA
Reaction time: <20 ms
Fallback time: <30 ms
(Safe state of the
digital inputs)
4 switching thresholds:
Un = 24 Vdc, 48 Vdc,
60 Vdc, 110 Vac/Vdc,
230 Vac/Vdc
Un = 24 Vdc
Switching threshold
1 ON: Min. 19.2 Vdc
Switching threshold
1 OFF: Max. 9.6 Vdc
Un = 48–60 Vdc
Switching threshold
2 ON: Min. 42.6 Vdc
Switching threshold
2 OFF: Max. 21.3 Vdc
Un = 110/120 Vac/Vdc
Switching threshold
3 ON: Min. 88.0 Vdc/
88.0 Vac
Switching threshold
3 OFF: Max. 44.0 Vdc/
44.0 Vac
Un = 230/240 Vac/Vdc
Switching threshold
4 ON: Min. 184 Vdc/
184 Vac
Switching threshold
4 OFF: Max. 92 Vdc/
92 Vac
Terminals: Screw-type
terminal
Current and Ground
Current Measurement
Nominal currents: 1A/5A
Max. measuring range:
Up to 40 x I
n
(phase
currents)
Up to 25 x I
n
(ground
current standard)
Up to 2.5 x I
n
(ground
current sensitive)
Continuous loading
capacity: 4 x I
n
/
continuously
Overcurrent proof:
30 x I
n
/10 s
100 x I
n
/1 s
250 x I
n
/10 ms
(1 half-wave)
Power consumption:
Phase current inputs
–At I
n
= 1A
S = 0.15 MVA
–At I
n
= 5A
S = 0.15 MVA
Ground current input
–At I
n
= 1A
S = 0.35 MVA
–At I
n
= 5A
S = 0.35 MVA
Frequency range: 50 Hz/
60 Hz ±10%
Terminals: Screw-type
terminals with integrated
short-circuiters (contacts)
Relay Outputs
Continuous current:
5A AC/DC
Maximum make current:
25A AC/25A DC up to
30V for 4s
30A/230 Vac according
to ANSI IEEE Std.
C37.90-2005
30A/250 Vdc according
to ANSI IEEE Std.
C37.90-2005
Maximum breaking
current:
5A AC up to 125 Vac
5A DC up to 30V
(resistive)
0.3A DC at 300V
Maximum switching
voltage: 250 Vac/250 Vdc
Switching capacity:
1250 VA
Contact type: changeover
contact or normally
open contact
Terminals: Screw-type
terminals
Supervision Contact (SC)
Continuous current: 5A at
120/240 Vac or 30 Vdc
Maximum switch-on
current: 15A at 120/240
Vac or 30 Vdc (max. 4s)
Maximum breaking
current:
5A at 120/240 Vac
or 30 Vdc
0.4A at 125 Vdc
Contact type:
1 changeover contact
Terminals: Screw-type
terminals
Time Synchronization IRIG
Nominal input voltage: 5V
Connection: Screw-type
terminals (twisted pair)
Front Interface RS-232
Baud rates: 115,200 baud
Handshake: RTS and CTS
Connection: 9-pole
D-Sub plug
RS-485
Master/slave: Slave
Connection: 6 screw-
clamping terminals RM 138
MIL (3.5 mm) (terminating
resistors internal)
Zone Interlocking
Nominal input level: 5V
Nominal output level: 5V
Connection: Screw-type
terminals (twisted pair)
Standards
High Voltage Tests (IEC 60255-6)
High frequency
interference test:
IEC 60255-22-1 Class 3
Within one circuit—
1 kV/2s
Circuit to ground—
2.5 kV/2s
Circuit to circuit—
2.5 kV/2s
Insulation voltage test:
IEC 60255-5, EN 50178
All circuits to other
circuits and exposed
conductive parts:
2.5 kV (eff.)/50 Hz,
1 min.
Except interfaces:
1.5 kV DC, 1 min.
Voltage measuring
input: 3 kV (eff.)/
50 Hz, 1 min.
Impulse voltage test:
IEC 60255-5: 5 kV/0.5J,
1.2/50 μs