The XP style Explosion-Proof, Dust-Ignition-Proof Connection Heads are available in cast Aluminum with silver or blue epoxy coating NEMA 4 or 316 stainless steel NEMA 4X.  All XP heads are Certified FM & FMC or ATEX.  XP heads include: cover O-ring seal, stainless chain and grounding screw.  XP style heads accept 40mm & DIN size terminal blocks; BL-round and DIN transmitters.