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