XB2-BG21 XB2-BG33 XB2-BG53 key control knob switch 1NO /2NO 2/3 position self locking / self reset selector Knob switch 22mm
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Description
1.XB2 pushbutton switch
1.Basic spec code: 22mm
2.Protection grade: IP40, IP65
3.Electrical durability: 50 x 104
4.CE,CCC certification
2.Application:
XB2 series pushbutton switches are used in industrial controlling circuits of AC 50Hz or 60Hz, rated operational voltage up to 380V and below, DC operational voltage up to 220V and below for controlling in magnetic starter, contactor, relay and other electrical circuits. The buttons with indication conform with the standard of GB14048.5-2001.
3.Technique Parameters
| Switch rating | AC-15DC-13220V/0.5A 220V/6A24V/6A440V/0.25A 380V/4A48V/3A. 660V/2A110V/1A. |
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| Contact resistance | Hard silver contacts≤550MΩ | ||
| Max.insulation voltage | AC 2500V 50Hz~lmin | ||
| Mechanical life | The general button is 1 million times; 500,000 key knobs; Knobs 500,000 times; Emergency button ≥ 500,000 times; Self-locking button 500,000. |
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| Electrical life | More than 100,000 times(AC220V6A) | ||
| Conventional freeair themal current | 1th 10A | ||
| Rated insulation voltage | ui AC660V | ||
| Service temperature | -25°~ + 55° | ||





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