Main technical parameterBasic technical parameter of buttonBasic technical parameter of signal lamprated insulation voltageAC 600V(50Hz/60Hz)insulation resistance≥50M ohmconventional heating current10Acontact resistance≤25Min ohminsulation resistance≥50M ohmPf withstand voltageAC 2.5KV/Mincontact resistance≤25Min ohmvoltage wave±20%mechanical life100×10000(Pustbutton)50×10000selector switch key switchesBrightness60cd/m2electrical life500×10000(Pustbutton)25×10000selector switch key switchescontinuous working life10×10000h
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