Eaton XTCE150GC – Auxiliary Contact Block with Gold-Plated Contacts The Eaton XTCE150GC is a side-mounting auxiliary contact block from the XTCE series, designed for use with Eaton DIL series contactors of the corresponding frame size (typically DILM150). The model suffix “GC” is the key identifier, indicating that this block is equipped with Gold-Plated Contacts.