Installation Contactors IKA20-R, IKA25-R, IKD20-R, IKAD25-R
IKA20-R and IKA25-R are special versions of the installation contactors providing not only basic functions but also manual handling.
Description of individual positions of the manual switch-on push-button.
Auto: The contactor functions as installation contactors without a push-buton.
0: Contacts are switched off all the time - make contacts, or they are switched on all the time - break contacts irrespective of control voltage.
1: Shifting the push-button from Auto to 1 the make contacts are closed, and break contacts are open. When control voltage is applied, the push-button is automatically set to Auto.
Described push-button features are mainly used for switching on the users whose operation depends on the tariff (switching on the users at unfavourable tariff).