GE Industrial Solutions Entellisys 4.0 System User Manual - Manual (Page 61)

Overcurrent protection 61
5
Entellisys limits the maximum Instantaneous Overcurrent Pickup Setting (P
IOC
) Multiplier based
on frame type and whether or not Short Time protection is enabled. This relationship is shown
for EntelliGuard circuit breakers in Table 5-3 below:
Parameters such as IOC pickup, ST pickup, curve type and delay bands for Short Time protection
are set in the HMI, as shown in Figure 5-2.
Figure 5-2 Setting parameters of IOC/ST protection for Breaker 2
Table 5-3 Maximum P
IOC
Breaker Frame
Size Maximum P
IOC
with
Short Time
Maximum P
IOC
without
Short Time
800 15 10
1600 15 10
2000 15 10
3200 13 10
4000 9 9
5000 7 7