The G9SE-221-T05 Safety Relay Unit with 2+2+1 INST+TD O/P manufactured by Omron is a square base relays designed for use in a variety of industrial and commercial applications. The relay has a current rating of 0.2 amps, a voltage rating of 120/240 VAC, and a compact size of 25.5 mm x 24 mm x 11.5 mm. The relay is certified to UL, CSA, and IEC safety standards and features contact analysis, construction material analysis, and various safety functions such as safety shut off, over current protection, and short-circuit protection. The relay also features an Enclosed Enclosure, CE mark, and an IP66 certification for protection against dust and water.