... (,),JDK-11,FS-1,FS-2,FS-3,FS-3(),EKW-5A-B,FKW-5A,VFS-201, ... C;2, installation site does not exceed altitude 2000m.3, air relative humidity of air temperature + 40 °C ... pollution levels of switch prescribed for pollution level 3,5,No significant shaken and impact placeAotoro footswitchIndex: ... suitable for use anywhere on the ground, not fixed.3.Dual footswitch type breakpoint instantaneous trip switch for ...