APC Metered Rack PDUs offer resilient power distribution and actively measure, display, and log volts, amps, real power (kW) & energy (kWh). This PDU offers LCD display,. real-time remote monitoring and user-defined alarms to help prevent circuit overloads that can cause accidental power loss to critical equipment. Historical reporting enables users to meter customer power usage,. optimize energy use. as well as plan for capacity . This zeroU PDU can operate at up to.60 degrees Celsius and can be accessed, configured, and managed remotely via EcoStruxure IT, Web, SNMP and Command Line Interface. Power is supplied to the PDU at 220-240 volts via IEC C20 inlet (no cord provided) while power comes out at 100-230 volts through (18) C13 and (2) C19 locking outlets. It integrates with EcoStruxure IT, and daisy-chaining is supported to monitoring up to 4 PDUs from 1 IP address as well as a local USB port for easy local firmware updates