SCT21xx | Ring-type current transformer, size 1Further InformationSCT21xx | GeneralSCT2111 | Ring-type current transformer for primary currents 0...60 A AC to 0...500 A AC, accuracy class 1, size 1SCT2121 | Ring-type current transformer for primary currents 0…125 A AC to 0…600 A AC, accuracy class 0.5, size 1