① Push Button Box Series
② The Number Of Holes
③ Cover Color : Y —- Yellow ; W —- White
④ Base Color : B —-Black
NORMAL OPERATING CONDITIONS
◐ Ambient Temperature : -25℃ ~ +70℃
◐Allowing being in the environment of 90% humidity and of the average temperature +40℃.
◐ Allowing being used in the place with rain intrusion.
◐ Being in no danger of explosion media and in the media without destructive and insulating liquid or gas that can sufficiently corrode metal and rubber.