APC NetShelter Rack PDU Advanced. PDU types: Metered, Rack capacity: 0U, Type: Three-phase. AC outlets quantity: 42 AC outlet(s), AC outlet types: C13 coupler, C15 coupler, C19 coupler, C21 coupler, Power plug: IEC 60309. LED indicators: Activity, Network, Power, Cable length: 70.9" (1.8 m), Security algorithms: 128-bit AES, 192-bit AES, 256-bit AES, DES, MD5, SNMP, SNMPv2, SNMPv3. Monitoring: Current, Humidity, Power, Temperature, Voltage, Outlet control: Lock-out, Recycle, Turn on, Firmware upgradeable via: Network, USB. Nominal input voltage: 400 V, Maximum current: 16 A, AC input frequency: 50 - 60 Hz