LW26 series switch is mainly suitable for AC50HZ, rated Working voltage 380V,rated current 20A to 160A electrical circuit, for hand The utility model can be used as a control or a conversion circuit with the functions of frequent switching on and switching off,and can be used for NBC-200,250, and 315,400,500,630 CO2 gas shielded welding machine,inverter arc welding machine and air plasma cutting machine for regulating current or voltage.
The product conforms to the standard GB14048.3
LW26 series switch specifications complete, there are 20A, 25A, 32A,63A, 125A, 160A and other current rating.
LW26 series switch has small size, com pact structure, material selection The operation is flexible, safe and reliable, and the appearance is novelandsoon.
Model and its meaning
Main technical parameters
|Rated Insulation voltage||690||690||690||690||690||690|
|Given heating current||20||25||32||63||125||160|
|Rated work volt||380||380||380||380||380||380|
|Rated work current||20||25||32||63||100||160|
|AC-21 B lew-A Is||240||300||384||756||1500||1920|
Mechanical and electrical life
- Mechanical life : 20 thousand times,operation frequency is 120 times/hour.
- Electrical life : 10 thousand times,operation frequency is 120 times/hour.
Normal work condition
- The ambient air temperature is not more than+40°C, and the average temperature of 24h Degree not exceeding+35°C;
- The minimum temperature of ambient air is-25°C;
- Installation site altitude not exceeding 2000m;
- When the maximum temperature is+40°C, the relative humidity of the air is not more than 50%, Higher relative humidity can be allowed at lower temperatures, such as 90% to reach 20°c,On due to temperature condensation when special measures should be taken;
- The pollution level of the surrounding environment is 3rd grade;
- Switch can be installed in any in denied position of the occasion.
Outline and installation dimensions
|model specification||outline size(mm)||installation size(mm)|
|Notes:N is layer Of Contact system|