ABB 20 → 24V (Volts) Shunt Trip Shunt trip

The ABB Shunt trip AA1 release manual motor starter used for remote tripping. It is attached laterally on the left side of MS116, MS132 or MS165. In accordance with IEC 60947-1, the manual motor starter is switched off by AA1 if the supply voltage of the shunt trip measured during the tripping operation remains between 70% and 110% of the rated control circuit supply voltage.

Screw terminals
Suitable for manual motor starter MS116, MS132, MO132, MS165, MO166