DC/DC Converters

Powerbox PB354 SERIES DC/DC Converter - Railway (50-150W)

The Powerbox PB354 Series DC/DC Converter delivers reliable power conversion for railway applications, offering output capacities ranging from 50W to 150W. Engineered to meet EN50155 and EN50121-3-2 railway standards, it is ideal for onboard systems, signaling, and other critical railway functions.

Read More

Features

  • 50W-150W; 14-160Vdc Input
  • Rail rolling stock DC/DC converter
  • Designed to rail standards EN50155 & EN50121-3-2
  • Potted with thermally conductive MIL-spec silicon rubber compound
  • Very wide range input 12:1 for 50W converter
  • Wide range input 4:1 for 150W converter
Specifications
INPUT
Input voltage 50W 14-160Vdc
60W 43-160Vdc
100W 66-160Vdc
150W 43-160Vdc
Input current 50W 4.6A max at 14Vdc input
60W 1.6A max at 43Vdc input
100W 1.7A max at 66Vdc input
150W 4.0A max at 43Vdc input
No load current 0.01A max
Input Reverse Voltage Protection Input Parallel TVS Diode
External input fuse required
OUTPUT
Output Voltage See selection table
Load= 50% of Full Load
Output Current See selection table
Output Power See selection table
Line regulation ±5%max
Load regulation ±1% max -CS droop slope, see table
Ripple and Noise See selection table BW=20MHz
Short Circuit Protection Continuous, non-latching
Overcurrent Protection Hiccup overcurrent protection >160% of rated current
Overvoltage Protection 180% voltage typical
ENVIRONMENT
Operating Ambient Temp -30°C to 85°C with derating
Case Temperature 100°C maximum full load
Cooling Natural Convection
Humidity 20-80%RH Non condensing
STANDARDS
Safety EN50155
Isolation Input/Output: 3000Vdc
Input/Case: 2250Vdc
Output/Case: 500Vdc
EMC EN50121-3-2
ESD EN61000-4-2
Radiated immunity EN61000-4-3
Fast Transients EN61000-4-4
Surge EN61000-4-5
Conducted immunity EN61000-4-6
Shock and vibration EN61373
Energy Efficiency 50W 86% typ 60W 90% typ 100W 92% typ 150W 89% typ
MECHANICAL
Dimensions (LxWxH) 69.0 x 244.4 x 22.6 mm -H (Heatsink) 69.0 x 244.4 x 47.6 mm
Weight 530 g - 50W/60W models
770 g - 100W/150W models
DC Input Connector Dinkle 2EHDRM-03P or equiv.
DC Output Connector Dinkle DT-39-B01W-04 or equiv.
Selection Table
MODEL Output Voltage Output Current Output Power Output Voltage Tolerance Output Ripple and Noise *2
PB354-50W12 12.0Vdc 4.2A 50W ±1% <150mVp-p
PB354-50W24 24.0Vdc 2.1A 50W ±1% <240mVp-p
PB354-150W12-H 12.0Vdc 12.5A 150W ±1% <150mVp-p
PB354-150W24-H 24.0Vdc 6.3A 150W ±1% <240mVp-p
PB354-50W12-CS 12.0Vdc 4.4A 50W 11.3V~12.2V w/ droop -0.15V/A <150mVp-p
PB354-50W24-CS 24.0Vdc 2.2A 50W 22.9V~24.4V w/ droop -0.50V/A <240mVp-p
PB354-150W12-H-CS 12.0Vdc 13.2A 150W 11.3V~12.2V w/ droop -0.055V/A <150mVp-p
PB354-150W24-H-CS 24.0Vdc 6.5A 150W 23.0V~24.5V w/ droop -0.18V/A <240mVp-p
PB354-60W12 12.0Vdc 5.0A 60W ±1% <150mVp-p
PB354-60W24 24.0Vdc 2.5A 60W ±1% <240mVp-p
PB354-100W12-H 12.0Vdc 8.4A 100W ±1% <150mVp-p
PB354-100W24-H 24.0Vdc 4.2A 100W ±1% <240mVp-p
PB354-60W12-CS 12.0Vdc 5.2A 60W 11.3V~12.2V w/ droop -tbd V/A <150mVp-p
PB354-60W24-CS 24.0Vdc 2.6A 60W 22.9V~24.4V w/ droop -tbd V/A <240mVp-p
PB354-100W12-H-CS 12.0Vdc 8.8A 100W 11.3V~12.2V w/ droop -tbd V/A <150mVp-p
PB354-100W24-H-CS 24.0Vdc 4.4A 100W 23.0V~24.5V w/ droop -tbd V/A <240mVp-p
Downloads
PB354_Rev.A__27-10-17_Datasheet.pdf
INPUT
Input voltage 50W 14-160Vdc
60W 43-160Vdc
100W 66-160Vdc
150W 43-160Vdc
Input current 50W 4.6A max at 14Vdc input
60W 1.6A max at 43Vdc input
100W 1.7A max at 66Vdc input
150W 4.0A max at 43Vdc input
No load current 0.01A max
Input Reverse Voltage Protection Input Parallel TVS Diode
External input fuse required
OUTPUT
Output Voltage See selection table
Load= 50% of Full Load
Output Current See selection table
Output Power See selection table
Line regulation ±5%max
Load regulation ±1% max -CS droop slope, see table
Ripple and Noise See selection table BW=20MHz
Short Circuit Protection Continuous, non-latching
Overcurrent Protection Hiccup overcurrent protection >160% of rated current
Overvoltage Protection 180% voltage typical
ENVIRONMENT
Operating Ambient Temp -30°C to 85°C with derating
Case Temperature 100°C maximum full load
Cooling Natural Convection
Humidity 20-80%RH Non condensing
STANDARDS
Safety EN50155
Isolation Input/Output: 3000Vdc
Input/Case: 2250Vdc
Output/Case: 500Vdc
EMC EN50121-3-2
ESD EN61000-4-2
Radiated immunity EN61000-4-3
Fast Transients EN61000-4-4
Surge EN61000-4-5
Conducted immunity EN61000-4-6
Shock and vibration EN61373
Energy Efficiency 50W 86% typ 60W 90% typ 100W 92% typ 150W 89% typ
MECHANICAL
Dimensions (LxWxH) 69.0 x 244.4 x 22.6 mm -H (Heatsink) 69.0 x 244.4 x 47.6 mm
Weight 530 g - 50W/60W models
770 g - 100W/150W models
DC Input Connector Dinkle 2EHDRM-03P or equiv.
DC Output Connector Dinkle DT-39-B01W-04 or equiv.
MODEL Output Voltage Output Current Output Power Output Voltage Tolerance Output Ripple and Noise *2
PB354-50W12 12.0Vdc 4.2A 50W ±1% <150mVp-p
PB354-50W24 24.0Vdc 2.1A 50W ±1% <240mVp-p
PB354-150W12-H 12.0Vdc 12.5A 150W ±1% <150mVp-p
PB354-150W24-H 24.0Vdc 6.3A 150W ±1% <240mVp-p
PB354-50W12-CS 12.0Vdc 4.4A 50W 11.3V~12.2V w/ droop -0.15V/A <150mVp-p
PB354-50W24-CS 24.0Vdc 2.2A 50W 22.9V~24.4V w/ droop -0.50V/A <240mVp-p
PB354-150W12-H-CS 12.0Vdc 13.2A 150W 11.3V~12.2V w/ droop -0.055V/A <150mVp-p
PB354-150W24-H-CS 24.0Vdc 6.5A 150W 23.0V~24.5V w/ droop -0.18V/A <240mVp-p
PB354-60W12 12.0Vdc 5.0A 60W ±1% <150mVp-p
PB354-60W24 24.0Vdc 2.5A 60W ±1% <240mVp-p
PB354-100W12-H 12.0Vdc 8.4A 100W ±1% <150mVp-p
PB354-100W24-H 24.0Vdc 4.2A 100W ±1% <240mVp-p
PB354-60W12-CS 12.0Vdc 5.2A 60W 11.3V~12.2V w/ droop -tbd V/A <150mVp-p
PB354-60W24-CS 24.0Vdc 2.6A 60W 22.9V~24.4V w/ droop -tbd V/A <240mVp-p
PB354-100W12-H-CS 12.0Vdc 8.8A 100W 11.3V~12.2V w/ droop -tbd V/A <150mVp-p
PB354-100W24-H-CS 24.0Vdc 4.4A 100W 23.0V~24.5V w/ droop -tbd V/A <240mVp-p
PB354_Rev.A__27-10-17_Datasheet.pdf

Find the Right Model

Model Number Input Voltage (Vdc) Output Voltage (Vdc) Output Current (A)
product variant PB354-50W12-B 24/28/36/48/60/72/110/125Vdc: 14...160Vdc 12Vdc 4.2A
product variant PB354-50W24-B 24/28/36/48/60/72/110/125Vdc: 14...160Vdc 24Vdc 2.1A
product variant PB354-150W12-B 48/60/72/110/125Vdc: 43...160Vdc 12Vdc 12.5A
product variant PB354-150W12-H 48/60/72/110/125Vdc: 43...160Vdc 12Vdc 12.5A
product variant PB354-150W12-H-CS 48/60/72/110/125Vdc: 43...160Vdc 12Vdc 12.5A
product variant PB354-150W24-B 48/60/72/110/125Vdc: 43...160Vdc 24Vdc 6.3A
product variant PB354-150W24-H 48/60/72/110/125Vdc: 43...160Vdc 24Vdc 6.3A
product variant PB354-150W24-CS 48/60/72/110/125Vdc: 43...160Vdc 24Vdc 6.3A
product variant PB354-270W12-B-CS 48/60/72/110/125Vdc: 43...160Vdc 12Vdc 23.5A
product variant PB354-270W12-H-CS 48/60/72/110/125Vdc: 43...160Vdc 12Vdc 23.5A
product variant PB354-270W24-B-CS 48/60/72/110/125Vdc: 43...160Vdc 24Vdc 11.7A
product variant PB354-270W24-H-CS 48/60/72/110/125Vdc: 43...160Vdc 24Vdc 11.7A

Need help finding the right product model?