Vertiv | eSure™ Rectifier Module User Manual (UM1R483500e3) | Rev. H
Figure 4:
Efficiency Curve (at 240 VAC, 60 Hz)
Environmental Ratings
• Operating Ambient Temperature Range:
a) +45 °C (+113 °F) to +75 °C (+167 °F) with derating output.
b) -40 °C (-40 °F) to +45 °C (+113 °F) with full power performance.
c) Temperature Coefficient: 0.02% per degrees Celsius.
• Storage Ambient Temperature Range: -40 °C (-40 °F) to +75 °C (+167 °F).
• Relative Humidity: This rectifier is capable of operating in an ambient relative humidity range of 0% to
95%, non-condensing.
• Altitude: 2000 m (6560 ft) at full power (above 2000 m, derate 3 °C per 300 m up to 4000 m).
• Surge Protection: Compliance with EN61000-4-5 (4kV Line to Line, 4kV Line to Earth). Capable of
withstanding surges per ANSI/IEEE C 62.41 1999 Category B3 across the input terminals.
NOTE!
This level of protection is a widely used standard for telecommunications power equipment. As
with all such equipment, it is the end user's responsibility to provide an adequately sized Surge
Suppression Device at the commercial power service entrance of the building that reduces all incoming
surges to levels below the classes/categories stated for the equipment.
• Ventilation Requirements: The rectifiers are fan cooled and utilize front to back forced ventilation. A
rectifier must be mounted so ventilating openings are not blocked and temperature of the air entering
the rectifier does not exceed the Operating Ambient Temperature Range stated above.
• Single Rectifier Audible Noise: At 25 °C ≤55dB(A) with fan. Measurement made at 1 m distance in front
of rectifier and at same horizontal line of the middle of rectifier.
• High Voltage Category: II.
• Power Distribution System: TN/TT/IT.
NOTE!
The rectifier is recommended to be used in an environment with Pollution of Degree 2 or less.
Pollution Degree 2 applies where there is only non-conductive pollution that might temporarily become
conductive due to occasional condensation (such as the office environment).
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0 10 20 30 40 50 60 70 80 90 100
Load (% of rated load)
Efficiency Curve
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