ABB REM 610 - Page 131

131
In this case, a safe stall time setting of 23 seconds is selected from the trip
curves at prior load 1 x FLA, permitting a start-up time slightly longer than
the one stated by the motor manufacturer; see the figure below.
t/s
I/I
n
50
10
20
5
1
2
3
4
30
40
123451068
1.05
t
6x
120
60
30
20
15
10
5
2.5
[s]
A051488
Fig. 6.1.2.2.-2 Selected safe stall time 23 s
Motor Protection Relay
Technical Reference Manual - ANSI Version
REM 610REM 610
1MRS755537