Lenze ELCAMZIxxx4SNNPSNN (LCU122) - Manual (Page 19)

Technical data
Rated data
3

19 EDSLCMX3024-SPS EN 5.0
I 2 t tripping characteristic:
According to DIN EN 60947-4-2 (AC semiconductor motor controllers and starters)
0.01 0.1 1 10 100 1000 10000 0.02
t [s]
1.05
2
3
4
5
6
7.2
8
I/I
r
Class 10A
Class 10
Class 20
Class 30
start031
Tripping classes
Class 10A
Tripping classes, can be set in C0121
Class 10 = Lenze setting
Class 20
Class 30
I
= Output current
I
r
= Rated motor current, can be set in C0120
Example for
Class 10:
The motor starter shuts down with an error message, if the output current I measures 4 times
the set rated motor current I
r
for approx. 13 s.

Note!
Regardless of the tripping class set, the motor starter always shuts down if the
output current I measures 8 times the set rated motor current I
r
for 20 ms.