Instruction Leaflet
DT3000
Page 52
Effective: Date 07/02
I.B. 17555D
For more information visit:
www.cutler-hammer.eaton.com
Supersedes I.B. 17555C dated November 1999
Figure 7-11 Inverse Time Overcurrent Ground, Flat Curves (SC-5402-92B)
0.01
0.10
1.00
10.00
100.00
1000.00
0.1
1
10
100
Multiple of I
n
Value
Trip Time (seconds)
Lowest Pickup and Shortest Time
Highest Pickup and Longest Time
Adjustable Inverse Time Overcurrent Ground Pickup (x I
n
) (0.1……….2.0 None)
Adjustable Inverse Time Overcurrent Time Multiplier Ground (0.2 s……….2 s)
Tolerance: Inverse Time Overcurrent Pickup is ±5%
Inverse Time Overcurrent Time Multiplier is +50ms or –50ms
