Vertiv
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NetSure DC/DC Converter Module User Manual (UM1C24481500 / 11WA6101WB)
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Rev. G
9
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EMI/RFI Suppression: Converter modules operating in an approved Module Mounting Shelf conform to
the requirements of FCC rules Part 15, Subpart B, Class B for Radiated and Conducted emissions limits.
Compliance Information
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Safety Compliance: This unit meets the requirements of UL 1950, Standard for Information Technology
Equipment, and is UL Recognized as a power supply for use in Telephone, Electronic Data Processing or
Information Processing Equipment. This unit meets the requirements of CSA 22.2, No. 950 and is tested
and Certified by UL ("c UR") as a Component Type Power Supply.
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The converter module is RoHS 5/6 compliant.
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NEBS Compliance (when used in a compliant system): Compliance verified by a Nationally Recognized
Testing Laboratory (NRTL) per GR-1089-CORE and GR-63-CORE. Contact Vertiv for NEBS compliance
reports.
Standard Features
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Type of Power Conversion Circuit: High Frequency.
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Input Protection:
a)
Fusing: A 100-ampere non-user replaceable fuse is located in the positive input lead of each DC-DC
converter module.
b)
Low Input Voltage Inhibit: Operation of each DC-DC converter module will inhibit if the input voltage
drops to within the range of 19.25 to 20.5 volts. While operation is inhibited, each DC-DC converter
modules will draw no more than 15mA. Operation will automatically resume after the input voltage
returns to within normal operating limits.
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Output Protection:
a)
Overvoltage Protection: If output voltage exceeds an adjustable preset value (set via controller) and
the converter module is delivering more than 10% of its rated current, the converter module shuts
down.
After approximately 3 seconds, the converter module automatically restarts. If output voltage again
exceeds the high voltage shutdown value within 5 minutes, the converter module shuts down and
locks out. Manual restart is then required. If the converter module does not experience a high
voltage condition within the 5-minute time-period, the restart circuit is reset.
If two or more converter modules are installed in a shelf, or if the shelf is paralleled with other
Module Mounting Shelves, only the converter module causing the high voltage condition shuts
down.
Adjustable from 49.0 to 60.0 volts DC via the controller.
NOTE!
When the converter module is not used with a controller, the default high voltage shutdown
point is 59.5Vdc ±0.5Vdc.
b)
Overcurrent Protection: When the output current of a DC-DC converter module increases to a
preset overcurrent value between 102.5% and 115% of rated full load, the output voltage of the
module will automatically decrease to limit current to this value. The output will recover to within
specified limits when the overload condition is removed. Adjustable from 13.5A to 31.3A via the
controller.
