Schaltbau CT1115/08 Series - Functional description

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
Pull-in time
On
Drop-off time
Settling time
Off
Meaning:
Main contacts
Coil actuation
a1 contact
(well closed)
b0 contact
(well opened)
- Closed
- Open
- Active
- Passive
- Closed
- Open
- Closed
- Open