Environmental Ratings:
• Operating Ambient Temperature Range:
a) +35°C (+95°F) to +70°C (+158°F) with derating output.
b) -40°C (-40°F) to +35°C (+95°F) with full power performance.
• Temperature Coefficient: 0.02% per degrees Celsius.
• Storage Ambient Temperature Range: -40°C (-40°F) to +70°C (+158°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 (power limited for heights above 2000 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 1m
distance in front of rectifier and at same horizontal line of the middle of rectifier.
• F101: AC 250V, 30A, fast acting, ceramic.
• High Voltage Category: II
• Power Distribution System: TN/TT/IT
NOTE! The rectifier module 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).
• EMI/RFI Suppression:
a) Rectifiers operating in an approved rectifier mounting shelf conform to the requirements
of FCC rules Part 15, Class A for Radiated and Conducted emissions limits.
b) Rectifiers operating in an approved rectifier mounting shelf conform to the requirements
of European Norm, EN55022, Class A for Radiated and Conducted emissions limits.
Standard Features
• Type of Power Conversion Circuit: High frequency.
• Constant Voltage Mode: For any initial output voltage setting from 42 to 58 volts, output
voltage remains constant regardless of load. This is the normal operating condition, in which
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