The RMS Series exlposion proof / weather proof pull stations are constructed out of the finest materials and workmanship available. Made of high-strength metal die-cast alloy, the RMS series explosion proof / weather proof pull stations come with standard options that similar devices offer separately. With a UL rating of class I group B (hydrogen) C & D, class II groups E, F, G, class III and an outdoor rating of type 4X, these stations offer unmatched placement flexibility. Terminal block connections, D.P.D.T. contacts @ 10 amps, this model meets most electrical requirements indoors or out.