Instruction Leaflet
DT3000
Page 46
Effective: Date 07/02
I.B. 17555D
For more information visit:
www.cutler-hammer.eaton.com
Supersedes I.B. 17555C dated November 1999
Figure 7-5 Short Delay Phase Curves (SC-5394-92B)
0.01
0.10
1.00
10.00
100.00
1000.00
10000.00
0.1
1
10
100
Multiple of I
n
Value
Trip Time (seconds)
Highest Pickup With Longest Time
Typical Inverse Time Overcurrent Function
Lowest Pickup With Shortest Time
Adjustable Short Delay Settings (x I
n
) (1.0……….11, None)
Adjustable Short Delay Time (0.05 s……….1.5 s)
Tolerance: Short Delay Setting is ±10%
Short Delay Time is ±50 ms and –50 ms
Short Delay uses the O/C Contact
