3、etalcontentgradeforearthingandplaringapplicationsCm3H0.22710270.520.11625适用于集电环电刷,也可用于12伏以下直流电机12Vstarter,slidcontactsDCmotorCm5B0.933203310.091430类似于CMH,换向性好,适用于40伏以下直流电机和交流电机集电环d.c.machinesupto40V,automobilestartsandexcitingslipringsofasynchronousm Cm90S0.0644635≥0.40.22025电触点xnotacts. toto