The Ex e Push button XBW4B / XBW5A are part of control and signalling units HarmAtex, they are dedicated to industries where an explosive atmosphere is present. They are suitable for demanding applications such as saline environments. They are used in an enclosure Ex e, Ex p or Ex t. 
Two offers:
XBW4B - metal bezel
XBW5A - plastic bezel

Six colours are available white, black, green, yellow and bleu . Flush or projecting actuator Mounting Panel cut-out Ø 22,5 mm. Up to 6 contacts block per actuator.