DC/DC Converters

Polyamp PM240 SERIES DC/DC Converter

The Polyamp PM240 Series DC/DC Converter is a versatile and compact power solution designed for industrial, railway, and telecommunications applications. Delivering up to 240W of power, it ensures reliable performance in demanding environments.

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Features

  • 216 to 240W Industrial Grade Converter
  • Optimized input voltage ranges
  • Input ranges from 18 to 300Vdc
  • Single outputs from 24 to 110Vdc
  • Reverse input voltage protection
  • Overvoltage Protection OVP
Specifications
INPUT
Input Voltage 24Vdc: 18-32Vdc
48Vdc: 38-60Vdc
110Vdc: 88-150Vdc
220Vdc: 175-300Vdc
Input current See Selection Table
Reverse polarity protection Yes
Inrush current Add suffix “N” to model number
Soft start Yes
OUTPUT
Output voltage See Selection Table
Voltage adjustment -5% to +10%
Output current See Selection Table
Ripple & noise 15–30mV pk-pk typical
Line regulatio 0.001
Load regulation 0.3%, 0%–100% load
Temperature coefficient 0.02% per °C
Overcurrent protection Yes
Overvoltage protection Yes
No load power 9W
Transient response <1ms for 10/90% load step to within 3% of nominal
OPERATING
Efficiency 88%–91%
Switching frequency 30kHz
Safety isolation Input/Output/Case: 2.5kVAC
Alarm facilities Contacts for undervoltage, overvoltage
Indicators DC on LED
Series operation Yes
Parallel operation Yes
Series diode Provided as standard on output
Isolation Input / Output: 2.5kVac, 4kVdc Input / Case: 2.5kVac, 4kVdc Output / Case: 2.5kVac / 4kVdc all outputs
ENVIRONMENTAL
Operating temperature -25°C to 55°C full load, and to +70C with derating 2.5%/C
Storage temperature -40°C to 85°C
Cooling Convection
STANDARDS
Safety standards IEC60950, EN60950, EN/IEC61204-3
C-Tick AS/NZS CISPR11 Group 1, Class A
EMC standards EN1000-6-1-2
EN/IEC61000-4-2
EN/IEC61000-4-3
EN/IEC61000-4-4
EN/IEC61000-4-5
EN/IEC61000-4-6
EMI standards EN61000-6-3,EN61000-6-4,
EN55011/EN55022 Level B
MECHANICAL
Dimensions PM240: 88x214x160mm
Weight 2.5kg
Mounting brackets See Technical Illustrations for mounting options
Protection Fully encapsulated, Meets IP20 as standard
Conformal coating Available as option. Add suffix “I”
Cooling Convection cooling
FEATURES
Series Diode Extra output with series diode, when the output is connected in parallel with other power supplies to achieve redundancy
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
Selection Table
MODEL NUMBER INPUT OUTPUT CURRENT OUTPUT POWER
PM240 24/24 18-32V 24V 9A 216W
PM240 24/48 18-32V 48V 4.5A 216W
PM240 24/60 18-32V 60V 3.6A 216W
PM240 24/110 18-32V 110V 1.97A 216W
PM240 48/24 38-60V 24V 10A 240W
PM240 48/36 38-60V 36V 6.7A 240W
PM240 48/48 38-60V 48V 5A 240W
PM240 48/60 38-60V 60V 4A 240W
PM240 48/110 38-60V 110V 2.2A 240W
PM240 110/24 88-150V 24V 10A 240W
PM240 110/48 88-150V 48V 5A 240W
PM240 110/60 88-150V 60V 4A 240W
PM240 110/110 88-150V 110V 2.2A 240W
PM240 220/24 175-300V 24V 10A 240W
PM240 220/110 175-300V 110V 2.2A 240W
Technical Illustrations
Downloads
pm240-series-datasheet.pdf
INPUT
Input Voltage 24Vdc: 18-32Vdc
48Vdc: 38-60Vdc
110Vdc: 88-150Vdc
220Vdc: 175-300Vdc
Input current See Selection Table
Reverse polarity protection Yes
Inrush current Add suffix “N” to model number
Soft start Yes
OUTPUT
Output voltage See Selection Table
Voltage adjustment -5% to +10%
Output current See Selection Table
Ripple & noise 15–30mV pk-pk typical
Line regulatio 0.001
Load regulation 0.3%, 0%–100% load
Temperature coefficient 0.02% per °C
Overcurrent protection Yes
Overvoltage protection Yes
No load power 9W
Transient response <1ms for 10/90% load step to within 3% of nominal
OPERATING
Efficiency 88%–91%
Switching frequency 30kHz
Safety isolation Input/Output/Case: 2.5kVAC
Alarm facilities Contacts for undervoltage, overvoltage
Indicators DC on LED
Series operation Yes
Parallel operation Yes
Series diode Provided as standard on output
Isolation Input / Output: 2.5kVac, 4kVdc Input / Case: 2.5kVac, 4kVdc Output / Case: 2.5kVac / 4kVdc all outputs
ENVIRONMENTAL
Operating temperature -25°C to 55°C full load, and to +70C with derating 2.5%/C
Storage temperature -40°C to 85°C
Cooling Convection
STANDARDS
Safety standards IEC60950, EN60950, EN/IEC61204-3
C-Tick AS/NZS CISPR11 Group 1, Class A
EMC standards EN1000-6-1-2
EN/IEC61000-4-2
EN/IEC61000-4-3
EN/IEC61000-4-4
EN/IEC61000-4-5
EN/IEC61000-4-6
EMI standards EN61000-6-3,EN61000-6-4,
EN55011/EN55022 Level B
MECHANICAL
Dimensions PM240: 88x214x160mm
Weight 2.5kg
Mounting brackets See Technical Illustrations for mounting options
Protection Fully encapsulated, Meets IP20 as standard
Conformal coating Available as option. Add suffix “I”
Cooling Convection cooling
FEATURES
Series Diode Extra output with series diode, when the output is connected in parallel with other power supplies to achieve redundancy
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
MODEL NUMBER INPUT OUTPUT CURRENT OUTPUT POWER
PM240 24/24 18-32V 24V 9A 216W
PM240 24/48 18-32V 48V 4.5A 216W
PM240 24/60 18-32V 60V 3.6A 216W
PM240 24/110 18-32V 110V 1.97A 216W
PM240 48/24 38-60V 24V 10A 240W
PM240 48/36 38-60V 36V 6.7A 240W
PM240 48/48 38-60V 48V 5A 240W
PM240 48/60 38-60V 60V 4A 240W
PM240 48/110 38-60V 110V 2.2A 240W
PM240 110/24 88-150V 24V 10A 240W
PM240 110/48 88-150V 48V 5A 240W
PM240 110/60 88-150V 60V 4A 240W
PM240 110/110 88-150V 110V 2.2A 240W
PM240 220/24 175-300V 24V 10A 240W
PM240 220/110 175-300V 110V 2.2A 240W
pm240-series-datasheet.pdf

Find the Right Model

Model Number Input Voltage (Vdc) Output Voltage (Vdc) Output Current (A)
product variant PM240 24/24 24Vdc: 18...32Vdc 24Vdc 9A
product variant PM240 24/48 24Vdc: 18...32Vdc 48Vdc 4.5A
product variant PM240 24/60 24Vdc: 18...32Vdc 60Vdc 3.6A
product variant PM240 24/110 24Vdc: 18...32Vdc 110Vdc 1.97A
product variant PM240 48/24 48Vdc: 38...60Vdc 24Vdc 10A
product variant PM240 48/36 48Vdc: 38...60Vdc 36Vdc 6.7A
product variant PM240 48/48 48Vdc: 38...60Vdc 48Vdc 5A
product variant PM240 48/60 48Vdc: 38...60Vdc 60Vdc 4A
product variant PM240 48/110 48Vdc: 38...60Vdc 110Vdc 2.2A
product variant PM240 110/24 110Vdc: 88...150Vdc 24Vdc 10A
product variant PM240 110/48 110Vdc: 88...150Vdc 48Vdc 5A
product variant PM240 110/60 110Vdc: 88...150Vdc 60Vdc 4A
product variant PM240 110/110 110Vdc: 88...150Vdc 110Vdc 2.2A
product variant PM240 220/24 220Vdc: 175...300Vdc 24Vdc 10A
product variant PM240 220/110 220Vdc: 175...300Vdc 110Vdc 2.2A

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