... ] com, sikeqd [at] 126 [dot] com. Thank you.IntroductionLW30 series rotary switches applied to circuits of AC 50Hz with working voltave up ... ventilating equipments,and AC motors with small power..LW30 series rotary switches have six current ratings:20A,25A,32A,40A,63A, ... which enable us to install the contact separetely.LW30 series rotary switches switches comply with:GB/T 14048.3,and IEC 60947- ...