Hongfa rmtfl 16a single pole relay interface modules hongfa 1rmtfl 24a a 16a 24v ac single pole relay interface module that features coilcontact separation the module is supplied complete with relay socket led ejector clip and identification label making it easy to order all these components with just one part number suitable for many applications eg industrial automation heating and cooling systems elevators etc hongfa 1rmtfl 24a spco 24vac 16a single pole relay interface modul