Lenovo ThinkCentre M55 Hardware Maintenance Manual - Page 41
Dimensions, Weight, Environment, Electrical input, Maximum: 240 V ac
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Dimensions Height: 432 mm (17.0 in.) Width: 178 mm (7.0 in.) Depth: 450 mm (17.7 in.) Weight Minimum configuration: 10.5 kg (23 lb) Maximum configuration: 13.5 kg (30 lb) Environment • Air temperature: - System on: 10° to 35°C (50° to 95° F) System off: 10° to 60°C (50° to 140° F) - Maximum altitude: 914 m (3000 ft) Note: The maximum altitude, 914 m (3000 ft), is the maximum altitude at which the specified air temperatures apply. At higher altitudes, the maximum air temperatures are lower than those specified. • Humidity: System on: 10% to 80% System off: 10% to 90% Electrical input • Input voltage: - Low range: Minimum: 100 V ac Maximum: 127 V ac Input frequency: 50/60 Hz Voltage switch setting: 115 V ac - High range: Minimum: 200 V ac Maximum: 240 V ac Input frequency: 50/60 Hz Voltage switch setting: 230 V ac • Input kilovolt-amperes (kVA) (approximate): Minimum configuration as shipped: 0.08 kVA Maximum configuration: 0.32 kVA Note: Power consumption and heat output vary depending on the number and type of optional features installed and the power-management optional features in use. Chapter 3. General information 35