Simplex 2099-9144 Explosion-Proof and Weather-Proof Station with EnclosureThe Simplex 2099 9144 is a non coded Explosion Proof & Weather Proof Station with Enclosure; DPDT contacts; NEMA 4X rated; UL listed, FM and CSFM Approved for: Class I, Groups B, C, and D; Class II, Groups E, F, and G; also FM approved for Class III Groups E, F, and G. Features optional visible break rod. Model 2099 9144 includes enclosure; separate box is not required. NOTE: B Key not included. B Key sold separately.