I.B. 17555
Page 17
Effective 03/97
CURRENT INPUTS:
■
CT’s:
5 Amp Secondary
■
CT Burden:
<0.004 ohm
<0.1VA @ Rated Current(5A)
■
In:
5A(Secondary) or CT(Primary)
■
Saturation:
30 x I
n
■
Momentary:
100 x I
n
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
ZONE SELECTIVE INTERLOCKS:
■
Phase:
Inverse Time Overcurrent and Short Delay
■
Ground:
Inverse Time Overcurrent and Short Delay
CONTROL POWER:
■
Input Voltage:
Nominal:
48 to 250VDC
120 to 240VAC 50/60Hz
Operating Range:
28 to 280VDC
90 to 254VAC 50/60Hz
■
Power Consumption:
48
125
250
120
240
VDC
VDC
VDC
VAC
VAC
10W
17W
18W
18VA
25VA
OUTPUT TRIP CONTACTS:
■
Trip OC/Communication:
Make 30 Amps for 0.25 Seconds
[Time Delay]
0.25 Amp Break @ 250VDC
■
Trip Instantaneous
5 Amp Break @ 120/240VAC
■
Communications Close
Meets ANSI C37.90, Paragraph 6.7
ENVIRONMENT:
■
Operating Temperature:
-30 to +55 Degrees C
■
Operating Humidity:
0 to 95% Relative Humidity
[Non-condensing]
■
Storage Temperature:
-40 to +70 Degrees C
AUXILIARY ALARM CONTACTS:
■
Protection Off Alarm:
5 Amp Continuous
■
Trip Alarm
5 Amp Break @ 120/240 VAC
TESTS:
■
Dielectric Strength:
Current Inputs: 3000VAC 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 Inverse]
FLAT
[Definite Time]
■
ANSI:
Moderately Inverse
(Per ANSI C37.112, 1996)
Very Inverse
Extremely Inverse
■
IEC:
IEC-A
[Moderately Inverse]
(Per IEC 255-3, 1989)
IEC-B
[Very Inverse]
IEC-C
[Extremely Inverse]
IEC-D
[Definite Time]
PHASE OVERCURRENT PICKUP RANGES:
■
Inverse Time Overcurrent
Setting:
(0.2 to 2.2) x I
n
[28 settings]
■
Short Delay Setting:
(1 to 11) x I
n
, None [25 settings]
■
Instantaneous Setting:
(1 to 25) x I
n
, None [30 settings]
GROUND OVERCURRENT PICKUP RANGES:
■
Inverse Time Overcurrent
Setting:
(0.1 to 2.0) x I
n
, None [26 settings]
■
Short Delay Setting:
(0.1 to 11) x I
n
, None [45 settings]
■
Instantaneous Setting:
(0.5 to 11) x I
n
, None [33 settings]
TIME DELAY SETTINGS:
■
Inverse Time Overcurrent
Time Multiplier:
It, I
2
t, I
4
t Curve: 0.2 to 40 [47 Settings]
FLAT: 0.2 to 2 [21 Settings]
ANSI (all): 0.1 to 5.0 [50 settings]
IEC (all): 0.05 to 1.00 [20 settings]
■
Short Delay Time:
0.05 to 1.5 sec. [22 Settings]
CURRENT MONITORING:
■
True RMS Sensing:
3-Phase and Ground
■
Display Accuracy:
±1% of Full Scale [I
n
] from 0.04 x I
n
to 1 x I
n
±2% of Full Scale [I
n
] from 1 x I
n
to 2 x I
n
■
Amp Demand:
Average Demand over 5 Minute Sampling
Window
■
High Load:
85% of Inverse Time Overcurrent Setting
TIMING ACCURACY:
➀
■
Inverse Time Overcurrent
Time:
±10% @ >1.5 x Pickup
■
Short Delay Time:
±50ms
COMMUNICATIONS:
■
IMPACC Compatible
■
Baud Rate:
1200 or 9600 Baud
■
Catalog DT3000:
Built In INCOM
2-3 UL TESTING AND SPECIFICATION SUMMARY (CONTINUED FROM PREVIOUS PAGE)
➀
For Ground Pickup
≤
0.2pu; Time Tolerance ±15%.
