... volmeter circuit change-over of electrical circuit HW26 Rotary switch (Voltmter selector switch,cam switch, ... changeover switch) HW26 series rotary switches are suitable for:on- ... ,and main switch.HW26 series rotary switches comply with:IEC60947-5-1.HW26 series rotary switches ... :20A,25A,32A,63A,125A,and 160A.HW26-20 andHW26-25 have the fingerproof terminals,which ...