Operating temperature: 32°F to 104°F (0°C to 40°C), Voltage: 100-240 VAC, Current: 1/.6 A, Maximum power rating: .5 W, Frequency: 50 Hz, Warranty: 01 Year Limited Warranty. The HP switch power supply provides a redundant, modular enclosure to provide hot-swappable AC power. These extra supplies can also be used to provide load balance power for instantaneous failover for data center environments where uptime for serve edge connectivity is paramount.