Why does the load side of the shorting contactor connect to A2, B2 and C2 on the ATS48 soft start?

Consulter notre FAQ

Issue:
Shorting contactor wiring

Product Line:
ATS48

Environment:
All models and serial numbers

Cause:
None

Resolution:
The A2, B2 and C2 terminals on the soft start provide a current path through internal current transformers. This provides overload protection when the shorting contactor is activated.
Refer to page 81 in the ATS48 Installation Guide for a wiring diagram.