Sensor Box SRAP-M-CA1-GR270-1-A-T2P20-EX2 Design=Angular, Based On The Standard=Vdi/Vde 3845 (Namur), Authorisation=(* Rcm Mark, * C Ul Us - Recognized (Ol)), Ce Mark (See Declaration Of Conformity)=(* To Eu Directive For Emc, * To Eu Directive Explosion Protection (Atex)), Atex Category Gas=Ii 3G.