Hongfa 2rm double pole relay interface modules 8a coilcontact separated hongfa 2rm 240a 3 an 8a 230v ac 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 making it easy to order all these components with just one part number suitable for many applications eg industrial automation heating and coolin