Pepperl + Fuchs - A used, though tested, and in good condition, Intrinsically Safe Relay, Type-KHD4-IVR/Ex 103-L - DC Isolation Module - Part #71100. This module is DIN Rail mountable, has non-removable terminals, and has it's basic specifications and  information printed on the side of the module.

Free shipping, via the USPS, in the United States, from Gurnee, IL 60031. Elsewhere, and International shipments, via the USPS Priority Mail, or First Class International Mail.

Thanks for looking, and hopefully purchasing!!