Spire JEWEL 550W / SP-ATX-550W-PFC - Manual (Page 14)

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4 Environmental
4.1 Environmental (Operating)
Temperature: 0℃ to 40℃
Humidity: 5% to 90% Relative Humidity (non condensing)
Altitude: 0 meters to +3,048 meters
4.2 Environmental (Non-Operating)
Temperature: -20 to ℃ 60℃
Humidity: 5% to 85% Relative Humidity (non condensing)
Altitude: 0 meters to +15,244 meters
5 Electromagnetic Compatibility
The following subsections outline sample product regulations requirements for a typical
Power supply. Actual requirements will depend on the design, product end use, target
Geography, and other variables. Consult your company’s Product Safety and Regulations
Department for more details
5.1 EMI
The power supply is complied with CISPR 22, Class B. Tests are performed at
220VAC 50 Hz power. The SP-ATX-550W-PFC meets the requirement of EN
61000-3-2 Class D, and EN 61000-3-3, and the Guidelines for the Suppression of
Harmonics in Appliances and General Use Equipment Class D for harmonic line
current content at full-rated power.