The R911173749 RELAY MODULE S20-DOR-4/2-220-AC from Bosch Rexroth provides maximum flexibility for cost-effective implementation of custom machine concepts. The modular, compact design of the I/O systems ensures easy handling, fast reaction time, and quick installation both in the control cabinet and in the field. Open communication standards allow perfect integration of the I/O modules with maximum availability. Original products are locally supported by CreatX Technology SRL.