Description
Three-phase Electricity has Current Transformers (RC1-11, RC1-12, RC1 21, RC 31) “TC” encapsulated in epoxy resin, for indoor use (sheltered installation), maximum voltage 15kV, 24.2kV and 36.2V primary current up to 800A.
RC1-11 – accuracy class 0.3C25 (measurement) or 10B50 (protection), thermal factor 1.2xIn
RC1-12 – accuracy class 0.3C50 (measurement) or 10B100 (protection), or 0.3C12.5 + 10B50 (measurement and protection), thermal factor 1.2xIn
RC1-21 – accuracy class 0.3C25 (measurement) or 10B50 (protection), thermal factor 1.2xIn
RC-31 – accuracy class 0.3C50 (measurement) or 10B50 or 10B100 (protection), or 0.3C12.5 + 10B50 (measurement and protection), thermal factor 1.2xIn
