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ABB控制继电器-单相电流监视器CM-SRS-M1P；1SVR740840R0600
ABB控制继电器-单相电流监视器CM-SRS-21P；1SVR740840R0400
ABB控制继电器-单相电流监视器CM-SRS-11P；1SVR740840R0200
变频器7401.50.42.27.53.7三相740840
