Powertronics Inc. carries a Large Stock on all sizes of Eaton Control Relays and Klockner Moeller Control Relays to keep your applications going! Eaton is a leading supplier of industrial electric controls including a vast array of motor controls, control relays, contactors, and starters. Commonly the way you will see the part number on a Moeller Control Relay is as follows, DILER-22, DILER-31, DILER-40, DILA-22, DILA-31, and DILA-40. These are some, but not all of the most common Klockner Moeller Control Relay configurations. Secondary Eaton Control Relay part numbers for the above Klockner Moeller part numbers are as follows, XTRE10B22, XTRE10B31, XTRE10B40, XTRM10A22, XTRM10A31, and XTRM10A40. If you do not see the Klockner Moeller Control Relay you're looking for please contact us using the "Contact Us" page link at the top of the page.