Hongfa rmtfl 8a double pole relay interface modules hongfa 2rmtfl 24 an 8a 24v dc double 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 2rmtfl 24 dpco 24vdc 8a double pole relay interface module