User Manual, Power contactors, series CT1115/08 and CT1130/08
Rev. 2.2
Page 11/26
Functional description
The diagram below shows the switching states of the CT1000 contactors.
Typical values:
Typical pull-in time:
250 ms
Typical drop-off time:
60 ms
Time constant of magnetic drive:
app. 90 ms
Settling time for b0 switch:
up to 10 ms
Zero position
Off
Pu
ll-
in tim
e
On
Drop
-off t
im
e
Se
ttling ti
me
Off
Meaning:
Main contacts
Coil actuation
a1 contact
(well closed)
b0 contact
(well opened)
-
Closed
-
Open
-
Active
-
Passive
-
Closed
-
Open
-
Closed
-
Open