Sanstar microsystems offers switching mode power supplies [smps] for control, automation, instrumentation and communication electronics which include ac and dc versions. The company also provides dc-dc converters, interface relay modules and energy saving chokes for florescent tube lights. These dc-dc converters are available in 24 to 5 v dc with 500 ma current and 110 to 24 v dc with 5 a current. The company will be able to provide 10 more smps models with 5 v and ±12 v output with different current range by august end. The company supplies interface relay modules in 20 different models depending upon relay type, with/without fuse, with/without socket and in 1, 2, 4, 8 and 16 input range. The company supplies these relay modules with phoenix contact 72 or 108 mm profiles and mountable with din rail.