Shunt coil and UVT (Under Voltage Tripping) coil of the MCCB)
How to connect the shunt coil or UVT coil to the MCCB
First trip the MCCB by using manual test button and after connect the UVT or shunt coil to the MCCB.
v Shunt coil
Shunt coil is normally open contact point. When energized the coil the MCCB will be trip.