Eaton dil a series contactor relay auxiliary contact module eaton 276427 the eaton 276427 dila xhi31 is a contactor relay from the dil a series this 4 pole relay will complement perfectly the motor contactors in the dil m series a wide range of control tasks can be flexibly implemented with the dil a contactor relay and the respective system components the contact block is snapped on without tools and has screw type terminals for easy installation eaton 276427 dila xhi31 auxiliary conta