18 Shunt trip device (SHT)
SHTA240-10SWRFS Shunt Trip.AC200-240V,Terminal block, 4pole, NF1000-SEW,NF1250-SEW,NF1600-SEW
17 Under voltage trip device (UVT)
UVTSA250-10SWRFS Undervoltage Trip.AC200-220/230-250V, inst., 4pole, NF/DSN1000AF,1250AF,1600AF