SERVER TECHNOLOGY SMART CDU (EXPANSION UNIT),0U,18XIEC C13. Smart CDU (Expansion Unit), 0U, 18 x IEC C13 + 6 x IEC C19 Outlets, 3 x LED Amp Meters, 240/415V 3-Phase Wye, 30A IEC 60309 (5-pin Pin/Sleeve, Red, 6 O clock Ground) Connector, Bottom/Front Cord Entry, 3m (10 ) Cord, Fused Branch Circuit Protection (Catalog Category: Power Devices / Power Distribution Unit)