Designed as a compliment to the company's standard line of DIN-rail models, the ES Series relay and timer sockets feature finger-safe construction and a full line of plug-in modules with diodes offering protection against polarity inversion. Modules are also available with signaling LEDs. The units are UL recognized, CSA certified and CE marked. Eight and 11- pin octals, 2- and 4-pole miniature and 1- and 2-pole slim line models are stocked.