User Manual

Appendix
328
08/04 AWB2528-1423GB
Inductive load without external suppressor circuit
General explanations:
T
0.95
= time in milliseconds until 95 % of the stationary
current is reached
Utilisation category in groups for
• Q1 to Q4, Q5 to Q8
T
0.95
Q 3 x T
0.65
= 3 x
L
R
T
0.95
= 1 ms
R = 48 O
L = 16 mH
Utilisation factor per group g = 0,25
Relative duty factor % 100
Max. switching frequency
f = 0.5 Hz
Max. duty factor
DF = 50 %
Switch
operations/h
1500
DC13
T
0.95
= 72 ms
R = 48 O
L = 1.15 H
Utilisation factor g =
0,25
Relative duty factor % 100
Max. switching frequency
f = 0.5 Hz
Max. duty factor
DF = 50 %
Switch
operations/h
1500