IEC 22 mm pushbuttons shall be type GE C-2000™ series. They shall be listed by Underwriters Laboratories (UL), certified by Canadian Standards Association (CSA) and conform<br>to International Electrotechnical Commission (IEC) and Japanese Industrial Standard (JIS) standards. All pushbuttons, selector switches and pilot lights shall conform to the<br>applicable requirements of NEMA standard ICS-2 for AC and DC control circuits. Enclosures shall be listed by UL and certified by CSA.
最有帮助的评价