14.2.5.1 IdentificationFunction description IEC 61850identificationIEC 60617identificationANSI/IEEE C37.2device numberInterlocking for bus-section breaker A1A2_BS - 314.2.5.2 FunctionalityThe interlocking for bus-section breaker (A1A2_BS) function is used for one bus-section circuit breaker between section 1 and 2 according to figure 311. The functioncan be used for different busbars, which includes a bus-section circuit breaker.QA1WA1 (A1)QB2QC4QB1QC3WA2 (A2)en04000516.vsdQC2QC1A1A2_BSIEC04000516 V1 ENFigure 311: Switchyard layout A1A2_BS1MRK502052-UEN B Section 14Control651Technical manual