Rotary Cam Switches Manufacturer Since 1981

Rotary Cam Switches  Manufacturer Since 1981
Rotary Cam Switches  Manufacturer Since 1981
Rotary Cam Switches  Manufacturer Since 1981
Rotary Cam Switches  Manufacturer Since 1981
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The LW31 series cam switch is mainly used for kitting electric appliance switch cabinets, 3-phase asynchronous motors, and switching between main and auxiliary circuits. It is an ideal replacement for other rotary switches, and this series features an on/off and changeover function according to specific application cases.

Technical parameter
Type specification LW31-20 LW31-25 LW31-32 LW31-50 LW31-75
Conventional thermal current Ith A 20 25 32 50 75
Rated working voltage Ue V 110
220
440
110
220
440
500
690
110
220
440
500
690
110
220
440
500
690
110
220
440
500
690
Rated working current Ie
AC-21A A 20 25 32 50 75
AC-22A A 16 20 32 40 63
DC-20 A 20 25 32 50 75
Rated control power
AC-23A kW 5 7.5 7.5 11 15 11 18.5 22 15 22 30 18.5 30 37
AC-3 kW 4 5.5 5.5 7.5 11 7.5 15 18.5 11 18.5 22 15 22 30
AC-4 kW 2.2 3 2.2 4 3 5.5 5.5 7.5 9 7.5 11 15
DC-23 kW 0.77 1.2 2 2.2 2 2.2 3 6 4 8

Shown here are welder switches with different currents. Please do not hesitate to contact us about customization or more information.

LW31-20 0-1 2P
  • Rated working current: 20A
  • Panel: 54*54mm
  • Diagram code: 0-1 2P
  • Color: White
  • Handle: R type
  • IP rating: IP20
Parameter
Specification LW31-20
Rated thermal current Ith A 20
Rated working voltage Ue V 110 220 440
Rated working current Ie
AC-21A A     20
AC-22A A     16
DC-20 A   20  
Power
AC-23A kW   5 7.5
AC-3 kW   4 5.5
AC-4 kW   2.2 3
DC-23 kW 0.77 1.2  

LW31-32 0-1 3P
  • Rated working current: 32A
  • Panel: 72*72mm
  • Diagram code: 0-1 3P
  • Color: White
  • Handle: R type
  • IP rating: IP20
Parameter
Specification LW31-32
Rated thermal current Ith A 32
Rated working voltage Ue V 110 220 440 500 690
Rated working current Ie         32
AC-21A A         32
AC-22A A   32      
DC-20 A          
Power
AC-23A kW   11 18.5   22
AC-3 kW   7.5 15   18.5
AC-4 kW   3 5.5 5.5  
DC-23 kW 2 2.2      

LW31-75 0-1 4P
  • Rated working current: 75A
  • Panel: 105*105mm
  • Diagram code: 0-1 4P
  • Color: White
  • Handle: R type
  • IP rating: IP20
Parameter
Specification LW31-75
Rated thermal current Ith A 75
Rated working voltage Ue V 110 220 440 500 690
Rated working current Ie         75
AC-21A A         63
AC-22A A   75      
DC-20 A          
Power
AC-23A kW   18.5 30   37
AC-3 kW   15 22   30
AC-4 kW   7.5 11 15  
DC-23 kW 4 8      

LW31-75 1-0-2 2P
  • Rated working current: 75A
  • Panel: 105*105mm
  • Diagram code: 1-0-2 2P
  • Color: White
  • Handle: R type
  • IP rating: IP20
Parameter
Specification LW31-75
Rated thermal current Ith A 75
Rated working voltage Ue V 110 220 440 500 690
Rated working current Ie         75
AC-21A A         63
AC-22A A   75      
DC-20 A          
Power
AC-23A kW   18.5 30   37
AC-3 kW   15 22   30
AC-4 kW   7.5 11 15  
DC-23 kW 4 8    
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