Rack PDU 2G, Switched, ZeroU, 16A, 100-240V, (21) C13 & (3) C19. Output Connector(s) – 3 x power IEC 320 EN 60320 C19 21 x power IEC 320 EN 60320 C13. Switched Rack PDUs include real power monitoring, a temperature/humidity sensor port, locking IEC receptacles, and low profile circuit breakers.