Instruction Leaflet
DT3000
Page 10
Effective: Date 07/02
I.B. 17555D
For more information visit:
www.cutler-hammer.eaton.com
Supersedes I.B. 17555C dated November 1999
Ground Instantaneous:
The available pickup settings, shown below, range from 0.50 to 11times (I
n
) or NONE. If NONE is
selected, the instantaneous protective function is disabled.
Ground Element Short Delay Time
(in seconds)
AVAILABLE SETTINGS
Tolerance
Curve #
0.50, 0.55, 0.60, 0.65, 0.70, 0.75, 0.80, 0.85, 0.90, 0.95, 1.00, 1.25,
1.50, 1.75, 2.00, 2.25, 2.50, 2.75, 3.00, 3.50, 4.00, 4.50, 5.00, 5.50,
6.00, 6.50, 7.00, 8.00, 8.50, 9.00, 9.50, 10.0, 11.0, NONE
+ 10%
SC-5396-92B
TABLE 2.2 MISCELLANEOUS SETTINGS
TYPE SETTING
AVAILABLE SETTINGS
HIGHLOAD TIME
(pickup fixed @ 0.85 X Phase Time Overcurrent Setting)
0 Sec, 5 Sec, 10 Sec, 30 Sec, 1 min, 2 min, 5 min
5 min (Chicago version)
FREQUENCY
50 Hz, 60 Hz
PHASE CT RATIO
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
GROUND CT RATIO
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
TEST
Phase
Phase Trip
Ground
Ground Trip
P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P12, P14, P16
P18, P20, P22, P25
P3T, P10T, P25T
G.1, G.2, G.3, G.4, G.5, G.6, G.7, G.8, G.9, Gi, G2, G3, G4,G5,
G6, G8, G10
G1T, G3T, G10T
Table 2.3 Factory Set Defaults
Dip Switch Settings
Type
Default Setting
S1
ON
(Digitrip 3000 IMPACC Buffers)
S2
OFF
(Program with Breaker Open
Only)
S3
OFF
(Standard Relay Configuration –
OC/Instantaneous)
S4
OFF
(Enable Remote Open/Close)
S5
OFF
(Communications Close)
S6
OFF
(Zone Interlocking Unlatched)
S7
OFF
(52b Breaker Input Mode)
S8
OFF
(Disable Download Set Points)
S9
OFF
(Manual Reset)
S10
OFF
Reserved