小功率(3.75KW以上至18.5KW)的基本是用PIM(少数用六单元):
FP25R12W2T4 FP25R12KT3 FP25R12KT4 FP35R12KT4 FP35R12W2T4
FP40R12KT3 FP40R12KT3G FP50R12KT3 FP50R12KT4 FF50R12RT4
FP75R12KT3 FP75R12KT3G FP75R12KT4 FS75R12KT3 FS75R12KT3G
小功率(3.75KW以上至18.5KW)的基本是用PIM(少数用六单元):
FP25R12W2T4 FP25R12KT3 FP25R12KT4 FP35R12KT4 FP35R12W2T4
FP40R12KT3 FP40R12KT3G FP50R12KT3 FP50R12KT4 FF50R12RT4
FP75R12KT3 FP75R12KT3G FP75R12KT4 FS75R12KT3 FS75R12KT3G