Section 1. Features and Specifications
Electrical Characteristics
16 Operating Manual for HPD Series Power Supply
Electrical Characteristics
Environmental Specifications
Switching Frequency 100 kHz (nominal)
Output Hold-up Time ≥25 ms at nominal line
Maximum Voltage Differential from
output to safety ground
±400 Vdc
Insulation Resistance Input to chassis: >120 MΩ
Output to chassis: >120 MΩ
Isolation Voltage
(Output not to exceed ±400 Vdc from
chassis potential.)
Input to output: 1350 Vac
Maximum Remote Sense Line Drop
Compensation.
(Line drop must be
deducted from the supply’s maximum
output voltage.)
0.5 V/line
Operating Ambient Temperature 0 to 30 °C with default local sensing. Above
30 °C, derate output linearly to 0 at 70 °C.
Storage Temperature Range –55° to 85 °C
Humidity Range 0 to 80% RH non-condensing
Operating Altitude Up to 6,500 feet (2000 m)
Storage Altitude Up to 50,000 feet (15 000 m)
Installation Category Intended for use in installation category
(overvoltage category) II (IEC 1010-1 standard)
Pollution Degree Category 2 (IEC 1010-1 standard)
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