Lenze starttec Instructions De Montage page 67

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Thermal monitoring
According to DIN EN 60947-4-2 (semiconductor motor control devices and starters for AC voltage)
If the motor current is x-times
higher than the output current higher than the o tp t c rrent
set under C0120 ...
0 105 %
120 %
150 % 150 %
7.2 fach 7.2-fach max. to 9.5 A
800 %
Tip!
Independently of the activation class set, the starttec will switch off after 20 ms if the motor
current is 800 % higher than the rated current set under C0120.
L
10.
within T
T = 2 h
T = 2 h
T = 2 min
T = 4 min
T = 8 min
T = 12 min
2 s < T ≤ 10 s
4 s < T ≤ 10 s
max. to 9.0 A
6 s < T ≤ 20 s
max. to 8.0 A
9 s < T ≤ 30 s
max. to 7.0 A
T = 20 ms
EDK71MMXXX-020 DE/EN/FR 1.0
... the starttec will switch off
Criteria
No activation when being
cold
Assuming the final
0
temperature
increase of the current to
120 %, it will be activated
Assuming the final Assuming the final
t temperature and 100 % t
output current it will be output current, it will be
activated activated
No activation when being No activation when being
cold ld
Fixed switch off
Technical data
Rated data
... with an activation
class set under C0121 class set nder C0121
–
–
and an
Class 10A
d 100 %
Class 10
Class 20
Class 30
Class 10A
Class 10
Class 20
Class 30
–
2
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