User`s guide

Volume 3—Power Distribution and Control Assemblies CA08100004E—November 2013 www.eaton.com V3-T9-211
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9.4
Metering Devices, Protective Relays, Software and Connectivity
Protective Relays
Technical Data and Specifications
Current Inputs
●
CTs: 5A secondary
●
CT Burden:
●
<0.004 ohm at rated
current (5A)
●
<0.1 VA at rated
current (5A)
●
I
n
: 5A (Secondary) or
CT (Primary)
●
Saturation: 30 x I
n
●
CT thermal ratings:
●
10A continuous
●
500A for 1 second
CT (Primary) Settings Available
●
Phase and ground:
5/10/25/50/75/100/150/200/
250/300/400/500/600/630/
800/1000/1200/1250/1500/
1600/2000/2400 2500/
3000/3200/4000/5000
Input Voltage DT-300X
●
Nominal:
●
48–250 Vdc
●
120–240 Vac 50/60 Hz
●
Operating range:
●
28–280 Vdc
●
90–254 Vac 50/60 Hz
Power Consumption
Input Voltage Digitrip 3030/
3031
Output Trip Contacts
(Trip OC/Comm., Trip Inst.
and Comm. Close)
●
Momentary:
●
Make 30A AC/DC for
0.25 seconds
●
Break 0.25A at 250 Vdc
●
Break 5A at 120/240 Vac
●
Continuous:
●
5A at 120/240 Vac
●
5A at 30 Vdc
●
Meets ANSI C37.90,
Paragraph 6.7
Environmental Conditions
●
Operating temperature:
–22ºF to +131ºF
(–30ºC to +55°C)
●
Operating humidity:
0–95% relative humidity
(noncondensing)
●
Storage temperature:
–40ºF to +185ºF
(–40°C to +70°C)
Auxiliary Alarm Contacts
●
5A continuous at
120/240 Vac, 30 Vdc
●
5A break at 120/240 Vac,
30 Vdc
Tests
●
Dielectric strength,
current inputs:
●
3000 Vac for 1 minute
●
Phase-to-phase
●
Seismic test: Meets
requirements for UBC
®
and
California Building Code
Zone 4. ZPA = 3.5
Phase and Ground
Time-Current Curves
●
Thermal:
●
It (Moderately Inverse)
●
I
2
t (Very Inverse)
●
I
4
t (Extremely lnverse)
●
FLAT (Definite Time)
●
ANSI (Per ANSI C37.112,
1996):
●
Moderately Inverse
●
Very Inverse
●
Extremely Inverse
●
IEC (Per IEC 255-3, 1989):
●
IEC-A (Moderately
Inverse)
●
IEC-B (Very Inverse)
●
IEC-C (Extremely
Inverse)
●
IEC-D (Definite Time)
Overcurrent Functions
and Pickup Ranges
Note: Consult factory for
sensitive ground fault.
●
Long Delay or Inverse
Time Overcurrent:
●
Phase: (0.2–2.2) x I
n
(29 settings)
●
Ground: (0.1–2.0) x I
n
,
None (26 settings)
●
Short Delay:
●
Phase: (1–11) x I
n
,
None (25 settings)
●
Ground: (0.1–11) x I
n
,
None (45 settings)
●
Instantaneous:
●
Phase: (1–25) x I
n
,
None (30 settings)
●
Ground: (0.5–11) x I
n
,
None (33 settings)
Time Delay Settings
●
Inverse Time Overcurrent
Time Multiplier:
●
Thermal: 0.2–40
(47 settings)
●
FLAT: 0.2–2 (21 settings)
●
ANSI (all): 0.1–5.0
(50 settings)
●
IEC (all): 0.05–1.00
(20 settings)
●
Short Delay Time: 0.05–
1.5 seconds (22 settings)
Current Monitoring
Note: Consult factory for
sensitive ground fault.
●
True rms sensing: three-
phase and ground
●
Display accuracy:
●
±1% of Full Scale [l
n
]
from 0.04 x l
n
to 1 x I
n
●
±2% of Full Scale [l
n
]
from 1 x l
n
to 2 x I
n
●
Ampere demand: Average
demand over 5 minute
sampling window
●
High load (with selectable
output): 85% of Inverse
Time Overcurrent setting
Timing Accuracy
●
Inverse Time Overcurrent:
±10% at >1.5 x Pickup
●
Short Delay Time: ±50 mS
Communications
●
Eaton’s PowerNet
Compatible
●
Built-in INCOM
●
Data rate is 1200 or
9600 baud
Drawout Case
●
Refer to Page V3-T9-215
for Drawout Case
Dimensions
Terminal Block
●
Make/Break rating:
●
10A at 240 Vac nominal
●
0.25A at 280 Vdc
maximum
●
Terminal wire gauge:
No. 14 to No. 10 AWG
●
Screw torque
requirements: 18-inch-
pounds
Reference Information
Cross-Reference
There are several products
that are equivalent to the
Digitrip 3000. The
following
lists the competitor’s name and
equivalent product to the
Digitrip 3000. In general, the
Digitrip 3000 can be used in
place of the competitive
product.
●
ABB
®
MMCO, 51
●
Basler Electric
®
BEI-51
●
GE Multilin MDP, 735, 737
●
Siemens
®
7SJ 511, 7SJ 60
24 48 125 250 120 240
Vdc
10W
Vdc
10W
Vdc
10W
Vdc
10W
Vac
10 VA
Vac
18 VA
Description DT-3010 DT-3020
Nominal 120 Vac 240 Vac
Operating
Range
70–132 Vac 140–264 Vac
Power
Consumption
15 VA 15 VA