DC/DC Converters

Polyamp PU1000 SERIES DC/DC Converter

The Polyamp PU1000 Series DC/DC Converter is a high-performance power solution designed for industrial, railway, and telecommunications applications. Offering a power output of 800 to 1000W, it ensures reliable operation in demanding environments.

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Features

  • 800W-1000W Industrial Grade Converter
  • Optimised input voltage ranges
  • Input ranges from 18 to 750Vdc
  • Single outputs 24 to 110V
  • Reverse input voltage protection
  • Extra output with series diode
Specifications
INPUT
Input voltages 24Vdc: 18-32Vdc
48Vdc: 38-60Vdc
72Vdc: 50-90Vdc
110Vdc: 88-150Vdc
220Vdc: 175-300Vdc
No load Input 15W max
OUTPUT
Output voltages See Selection Table
Output current See Selection Table
Source regulation 0.001
Load regulation 0.3% (0 to 100% load)
Transient recovery <3ms. 10 to 90% load step to within 3% of nominal output voltage
Output ripple Typ 30mV (60kHz)
Input ripple 150:1 attenutation on Output (50-400Hz)
Temperature coefficient 0.02% per °C
Output adjustment 95%-110% with 15 Turn potentiometer
Current limit 105%, rectangular
Remote sense Yes
Soft start Yes
Startup time 1 Sec
Holdup time 2 - 25ms
Design topology Push-Pull
Switching frequency 30kHz
Efficiency 85%-92%
PROTECTION
Reverse Input Protection Inputs 24V, 48V, 72V with Parallel Diode
Inputs 110V, 220V Thyristor
Overvoltage protection Yes, 115% of nominal voltage
Isolation Input / Output: 24, 48, 72, 2kVdc
Input / Output: 10, 220, 2.5kVac, 4kVdc
Input / Case: 24, 48, 72, 2kVdc
Input / Case: 110, 220, 2.5kVac, 4kVdc
Output / Case: < 75Vdc output, 2kVdc
Output / Case: > 75Vdc output, 2.5kVac, 4kVdc
FEATURES
Current Sharing To balance load between up to 10 units working in parallel
Series Diode Extra output with series diode, when the output is connected in parallel with other power supplies to achieve redundancy
Voltage Sense External output voltage sense used when the voltage regulation at the load is critical. The sense can compensate voltage drops up to 5% of the nominal voltage
Inrush current limit Models with input code 110 and 220 have an active inrush curent limit. i peak < 6 x I nom
Over voltage protection The output voltage is limited to 15% over nominal output voltage by an extra regulation circuit
Voltage Alarm Over / Under voltage alarm built in relay changes state if converter output voltage is not with 90% to 115% of nominal output. User selects NO or NC relay function. The relay is rated 30V 0.5A
OPTIONAL FEATURES
Conformally coating For environment with high non condensing humidity, max 98% RH
EN IEC61000-4-5 Level 4 Input filter to meet 4 of 61000-4-5 (+/-22Kv line to line, 4kV line to ground
Train input Input voltage range according to train standard EN50155 and IEC60571
High input voltage Up to nom 600Vdc. Inputs from submarines, powerplants and solar bus voltage
Mounting Options See Technical Illustrations
STANDARDS AND APPROVALS
Safety standards IEC60950, Low Voltage Directive
C-Tick AS/NZS CISPR11 Group 1, Class A
EMC EN IEC 61000-6-3, Emission
EN IEC 61000-6-2, Immunity
EN IEC 61000-4-4, 4kV
EN IEC 61000-4-5 level 2 & 3
ENVIRONMENTAL
Operating Temperature -25C to +55C (100% load) +55C to +70C (with derating
Temperature coefficient 0.02%./C
Storage temperature -40°C to 85°C.
Cooling Convectional cooling.
MECHANICAL
Dimensions 337 x 420 x 86mm
Weight 10kg
Mounting See Technical Illustrations
Selection Table
MODEL NUMBER INPUT OUTPUT CURRENT OUTPUT POWER
PU1000 24/24 18-32V 24V 33.4A 800W
PU1000 24/28 18-32V 28V 28.6A 800W
PU1000 24/48 18-32V 48V 16.7A 800W
PU1000 24/60 18-32V 60V 13.4A 800W
PU1000 24/110 18-32V 110V 7.28A 800W
PU1000 48/24 38-60V 24V 41.7A 1000W
PU1000 48/48 38-60V 48V 20.9A 1000W
PU1000 48/60 38-60V 60V 16.7A 1000W
PU1000 48/85 38-60V 85V 11.8A 1000W
PU1000 48/110 38-60V 110V 9.09A 1000W
PU1000 72/24 50-90V 24V 41.7A 1000W
PU1000 72/48 50-90V 48V 20.9A 1000W
PU1000 72/60 50-90V 60V 16.7A 1000W
PU1000 72/85 50-90V 85V 11.8A 1000W
PU1000 72/110 50-90V 110V 9.09A 1000W
PU1000 110/24 88-150V 24V 41.7A 1000W
PU1000 110/28 88-150V 28V 35.7A 1000W
PU1000 110/48 88-150V 48V 20.9A 1000W
PU1000 110/60 88-150V 60V 16.7A 1000W
PU1000 110/85 88-150V 85V 11.8A 1000W
PU1000 110/110 88-150V 110V 9.09A 1000W
PU1000 220/24 175-300V 24V 41.7A 1000W
PU1000 220/28 175-300V 28V 35.7A 1000W
PU1000 220/48 175-300V 48V 20.9A 1000W
PU1000 220/60 175-300V 60V 16.7A 1000W
PU1000 220/85 175-300V 85V 11.8A 1000W
PU1000 220/110 175-300V 110V 9.09A 1000W
Technical Illustrations
Downloads
pu1000-series-datasheet.pdf
INPUT
Input voltages 24Vdc: 18-32Vdc
48Vdc: 38-60Vdc
72Vdc: 50-90Vdc
110Vdc: 88-150Vdc
220Vdc: 175-300Vdc
No load Input 15W max
OUTPUT
Output voltages See Selection Table
Output current See Selection Table
Source regulation 0.001
Load regulation 0.3% (0 to 100% load)
Transient recovery <3ms. 10 to 90% load step to within 3% of nominal output voltage
Output ripple Typ 30mV (60kHz)
Input ripple 150:1 attenutation on Output (50-400Hz)
Temperature coefficient 0.02% per °C
Output adjustment 95%-110% with 15 Turn potentiometer
Current limit 105%, rectangular
Remote sense Yes
Soft start Yes
Startup time 1 Sec
Holdup time 2 - 25ms
Design topology Push-Pull
Switching frequency 30kHz
Efficiency 85%-92%
PROTECTION
Reverse Input Protection Inputs 24V, 48V, 72V with Parallel Diode
Inputs 110V, 220V Thyristor
Overvoltage protection Yes, 115% of nominal voltage
Isolation Input / Output: 24, 48, 72, 2kVdc
Input / Output: 10, 220, 2.5kVac, 4kVdc
Input / Case: 24, 48, 72, 2kVdc
Input / Case: 110, 220, 2.5kVac, 4kVdc
Output / Case: < 75Vdc output, 2kVdc
Output / Case: > 75Vdc output, 2.5kVac, 4kVdc
FEATURES
Current Sharing To balance load between up to 10 units working in parallel
Series Diode Extra output with series diode, when the output is connected in parallel with other power supplies to achieve redundancy
Voltage Sense External output voltage sense used when the voltage regulation at the load is critical. The sense can compensate voltage drops up to 5% of the nominal voltage
Inrush current limit Models with input code 110 and 220 have an active inrush curent limit. i peak < 6 x I nom
Over voltage protection The output voltage is limited to 15% over nominal output voltage by an extra regulation circuit
Voltage Alarm Over / Under voltage alarm built in relay changes state if converter output voltage is not with 90% to 115% of nominal output. User selects NO or NC relay function. The relay is rated 30V 0.5A
OPTIONAL FEATURES
Conformally coating For environment with high non condensing humidity, max 98% RH
EN IEC61000-4-5 Level 4 Input filter to meet 4 of 61000-4-5 (+/-22Kv line to line, 4kV line to ground
Train input Input voltage range according to train standard EN50155 and IEC60571
High input voltage Up to nom 600Vdc. Inputs from submarines, powerplants and solar bus voltage
Mounting Options See Technical Illustrations
STANDARDS AND APPROVALS
Safety standards IEC60950, Low Voltage Directive
C-Tick AS/NZS CISPR11 Group 1, Class A
EMC EN IEC 61000-6-3, Emission
EN IEC 61000-6-2, Immunity
EN IEC 61000-4-4, 4kV
EN IEC 61000-4-5 level 2 & 3
ENVIRONMENTAL
Operating Temperature -25C to +55C (100% load) +55C to +70C (with derating
Temperature coefficient 0.02%./C
Storage temperature -40°C to 85°C.
Cooling Convectional cooling.
MECHANICAL
Dimensions 337 x 420 x 86mm
Weight 10kg
Mounting See Technical Illustrations
MODEL NUMBER INPUT OUTPUT CURRENT OUTPUT POWER
PU1000 24/24 18-32V 24V 33.4A 800W
PU1000 24/28 18-32V 28V 28.6A 800W
PU1000 24/48 18-32V 48V 16.7A 800W
PU1000 24/60 18-32V 60V 13.4A 800W
PU1000 24/110 18-32V 110V 7.28A 800W
PU1000 48/24 38-60V 24V 41.7A 1000W
PU1000 48/48 38-60V 48V 20.9A 1000W
PU1000 48/60 38-60V 60V 16.7A 1000W
PU1000 48/85 38-60V 85V 11.8A 1000W
PU1000 48/110 38-60V 110V 9.09A 1000W
PU1000 72/24 50-90V 24V 41.7A 1000W
PU1000 72/48 50-90V 48V 20.9A 1000W
PU1000 72/60 50-90V 60V 16.7A 1000W
PU1000 72/85 50-90V 85V 11.8A 1000W
PU1000 72/110 50-90V 110V 9.09A 1000W
PU1000 110/24 88-150V 24V 41.7A 1000W
PU1000 110/28 88-150V 28V 35.7A 1000W
PU1000 110/48 88-150V 48V 20.9A 1000W
PU1000 110/60 88-150V 60V 16.7A 1000W
PU1000 110/85 88-150V 85V 11.8A 1000W
PU1000 110/110 88-150V 110V 9.09A 1000W
PU1000 220/24 175-300V 24V 41.7A 1000W
PU1000 220/28 175-300V 28V 35.7A 1000W
PU1000 220/48 175-300V 48V 20.9A 1000W
PU1000 220/60 175-300V 60V 16.7A 1000W
PU1000 220/85 175-300V 85V 11.8A 1000W
PU1000 220/110 175-300V 110V 9.09A 1000W
pu1000-series-datasheet.pdf

Find the Right Model

Model Number Input Voltage (Vdc) Output Voltage (Vdc) Output Current (A)
product variant PU1000 24/24 24Vdc: 18...32Vdc 24Vdc 16.7A
product variant PU1000 24/28 24Vdc: 18...32Vdc 28Vdc 14.3A
product variant PU1000 24/48 24Vdc: 18...32Vdc 48Vdc 8.4A
product variant PU1000 24/60 24Vdc: 18...32Vdc 60Vdc 6.7A
product variant PU1000 24/110 24Vdc: 18...32Vdc 110Vdc 7.28A
product variant PU1000 48/24 48Vdc: 38...60Vdc 24Vdc 20.9A
product variant PU1000 48/28 48Vdc: 38...60Vdc 28Vdc 17.9A
product variant PU1000 48/48 48Vdc: 38...60Vdc 48Vdc 10.5A
product variant PU1000 48/60 48Vdc: 38...60Vdc 60Vdc 8.4A
product variant PU1000 48/110 48Vdc: 38...60Vdc 110Vdc 9.09A
product variant PU1000 110/24 110/125Vdc: 88...150Vdc 24Vdc 20.9A
product variant PU1000 110/28 110/125Vdc: 88...150Vdc 28Vdc 17.9A
product variant PU1000 110/48 110/125Vdc: 88...150Vdc 48Vdc 10.5A
product variant PU1000 110/60 110/125Vdc: 88...150Vdc 60Vdc 8.4A
product variant PU1000 110/85 110/125Vdc: 88...150Vdc 85Vdc 11.8A
product variant PU1000 110/110 110/125Vdc: 88...150Vdc 110Vdc 9.09A
product variant PU1000 220/24 220Vdc: 175...300Vdc 24Vdc 20.9A
product variant PU1000 220/28 220Vdc: 175...300Vdc 28Vdc 17.9A
product variant PU1000 220/48 220Vdc: 175...300Vdc 48Vdc 10.5A
product variant PU1000 220/60 220Vdc: 175...300Vdc 60Vdc 8.4A
product variant PU1000 220/110 220Vdc: 175...300Vdc 110Vdc 9.09A

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