SIRIUS 3RF34 solid-state switching devices
3.11 Technical data
SIRIUS Innovations
362 System Manual, 01/2011, A8E56203870002-03
3.11.15 Characteristics - switching frequency/load
3.11.15.1 Characteristics for the solid-state contactor
Switching frequency characteristic for the solid-state contactor
Motor's operating data
I
a
I
e
t
a
t
b
I
b
t
ED
NSB0_01815a
t
p
t
s
I
a
Motor's direct starting current
I
e
Motor's rated operational current
I
b
Motor's operational current
t
a
Motor's start time
t
b
Operating time
t
p
Idle time
t
ED
ON period
t
s
Operating cycle
ED [%] = × 100%
t
s
t
ED
Figure 3-18 Switching frequency characteristics - load diagram
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