DC/DC Converters

Premium CRS-1000 SERIES DC/DC Converter

The Premium CRS-1000 Series DC/DC Converter is a high-efficiency power solution engineered for industrial and railway applications. Delivering up to 1000W of continuous power, it offers superior performance and reliability for critical systems operating in demanding environments.

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Premium CRS-1000 SERIES DC/DC Converter

Features

  • Designed according to EN50155
  • Fire and smoke: EN45545-2 approved
  • High input-output isolation
  • Adjustable output voltage
  • Remote inhibit
  • Remote sensing
Specifications
INPUT
Voltage See selection table
Undervoltage shutdown 55% to 60% Vi nom
Max input ripple 15% Vin nom (EN50155)
OUTPUT
Output Voltage See selection table.
Output voltage adjustment range: Vimin>60% Vi nomVimin>70% Vi nom -10 % ... +0 % Vo nom-10 % ... +15 % Vo nom
Line regulation (Io = nom) < 0,2 %
Load regulation (Vin = nom) < 0,2 %, 2.5% for ORing FET option
Ripple < 50 mVpp
Noise (BW = 20MHz) < 100 mVpp
Max. overvoltage protection < 140% Vout nom
Maximum remote sense 0.3V / pole
ENVIRONMENTAL
StorageTemperature -40oC ... 85°C
Operating temperature at Full load -25ºC ... 55ºC (-40°C … 55ºC, see note-1)
Operating temperature at 75% load -25ºC ... 70ºC (-40°C … 70ºC, see note-1)
Cooling Natural convection
Maximum Relative humidity 95% with no condensation
Shock and vibration EN61373 Category 1 class B body mounted
MTBF (at 40°C and 75% load) 350.000h acc. to IEC61709 Cooling options R, V, D 250.000h acc. to IEC61709 Cooling option C
Service life (at 40°C and 75% load) 20 years (Option C fan maintenance at 10 years is required)
EMC
Emission EN61000-6-4, EN50121-3-2
Immunity EN61000-6-2, EN50121-3-2
SAFETY
Safety EN60950, EN50155
Dielectric strength Input/Output 3000Vac, 4200Vdc 1min
Dielectric strength Input / Earth 1500Vac, 2100Vdc 1min
Dielectric strength Output / Earth 1500Vac, 2100Vdc 1min
Fire and smoke EN45545-2:2013 +A1:2015
MECHANICAL
Approximate weight 2500g
CONTROL
Remote inhibit range Logic: 1=OFF, Range: 15 … 143 Vdc, Impedance > 27kΩ
Alarm contacts 1A @ 24Vdc, 0.3A @ 150Vdc, 1A @ 125Vac
Local: Input OK, Output OK Green LEDs
PROTECTIONS
Against overloads and short-circuits Current limiting
Against output over-voltages Shutdown (reset by input switch off)
Against over-temperature Shutdown with self-recovery
Against reverse input voltage. Input fuse (Active protection with option H)
Against input under-voltage Under-voltage lock-out
Against Input over-currents Input fuse

Note-1: The unit can start up and work at an ambient temperature of -40°C with the following restrictions:

1) Do not handle the connection terminals below -25°C.

2) The output ripple can rise up to 150mVpp at -40°C

Selection Table
PART NUMBER POWER (W) INPUT (V) INPUT RANGE (V) MAX INPUT CURRENT (A) OUTPUT VOLTAGE (V) OUTPUT CURRENT (A) EFFICIENCY (%)
CRS-1000-6475 1000 24 14,4 - 30 78,9 24 41,6 88
CRS-1000-6476 1000 24 14,4 - 30 78,0 48 20,8 89
CRS-1000-6490 1000 24 14,4 - 30 77,2 72 13,9 90
CRS-1000-6492 1000 24 14,4 - 30 77,2 110 9,8 90
CRS-1000-6487 1000 36 21,6 - 47 51,4 24 41,6 90
CRS-1000-6488 1000 36 21,6 - 47 51,4 48 20,8 90
CRS-1000-6491 1000 36 21,6 - 47 50,9 72 13,9 91
CRS-1000-6478 1000 48 28,8 - 60 38,2 24 41,6 91
CRS-1000-6479 1000 48 28,8 - 60 37,7 48 20,8 92
CRS-1000-6481 1000 72 43,2 - 90 25,4 24 41,6 91
CRS-1000-6482 1000 72 43,2 - 90 25,2 48 20,8 92
CRS-1000-6484 1000 110 66 - 144 16,5 24 41,6 92
CRS-1000-6485 1000 110 66 - 144 16,3 48 20,8 93
CRS-1000-6493 1000 110 66 - 144 16,1 110 9,8 94
Technical Illustrations
Downloads
CRS-1000_Datasheet.pdf
INPUT
Voltage See selection table
Undervoltage shutdown 55% to 60% Vi nom
Max input ripple 15% Vin nom (EN50155)
OUTPUT
Output Voltage See selection table.
Output voltage adjustment range: Vimin>60% Vi nomVimin>70% Vi nom -10 % ... +0 % Vo nom-10 % ... +15 % Vo nom
Line regulation (Io = nom) < 0,2 %
Load regulation (Vin = nom) < 0,2 %, 2.5% for ORing FET option
Ripple < 50 mVpp
Noise (BW = 20MHz) < 100 mVpp
Max. overvoltage protection < 140% Vout nom
Maximum remote sense 0.3V / pole
ENVIRONMENTAL
StorageTemperature -40oC ... 85°C
Operating temperature at Full load -25ºC ... 55ºC (-40°C … 55ºC, see note-1)
Operating temperature at 75% load -25ºC ... 70ºC (-40°C … 70ºC, see note-1)
Cooling Natural convection
Maximum Relative humidity 95% with no condensation
Shock and vibration EN61373 Category 1 class B body mounted
MTBF (at 40°C and 75% load) 350.000h acc. to IEC61709 Cooling options R, V, D 250.000h acc. to IEC61709 Cooling option C
Service life (at 40°C and 75% load) 20 years (Option C fan maintenance at 10 years is required)
EMC
Emission EN61000-6-4, EN50121-3-2
Immunity EN61000-6-2, EN50121-3-2
SAFETY
Safety EN60950, EN50155
Dielectric strength Input/Output 3000Vac, 4200Vdc 1min
Dielectric strength Input / Earth 1500Vac, 2100Vdc 1min
Dielectric strength Output / Earth 1500Vac, 2100Vdc 1min
Fire and smoke EN45545-2:2013 +A1:2015
MECHANICAL
Approximate weight 2500g
CONTROL
Remote inhibit range Logic: 1=OFF, Range: 15 … 143 Vdc, Impedance > 27kΩ
Alarm contacts 1A @ 24Vdc, 0.3A @ 150Vdc, 1A @ 125Vac
Local: Input OK, Output OK Green LEDs
PROTECTIONS
Against overloads and short-circuits Current limiting
Against output over-voltages Shutdown (reset by input switch off)
Against over-temperature Shutdown with self-recovery
Against reverse input voltage. Input fuse (Active protection with option H)
Against input under-voltage Under-voltage lock-out
Against Input over-currents Input fuse

Note-1: The unit can start up and work at an ambient temperature of -40°C with the following restrictions:

1) Do not handle the connection terminals below -25°C.

2) The output ripple can rise up to 150mVpp at -40°C

PART NUMBER POWER (W) INPUT (V) INPUT RANGE (V) MAX INPUT CURRENT (A) OUTPUT VOLTAGE (V) OUTPUT CURRENT (A) EFFICIENCY (%)
CRS-1000-6475 1000 24 14,4 - 30 78,9 24 41,6 88
CRS-1000-6476 1000 24 14,4 - 30 78,0 48 20,8 89
CRS-1000-6490 1000 24 14,4 - 30 77,2 72 13,9 90
CRS-1000-6492 1000 24 14,4 - 30 77,2 110 9,8 90
CRS-1000-6487 1000 36 21,6 - 47 51,4 24 41,6 90
CRS-1000-6488 1000 36 21,6 - 47 51,4 48 20,8 90
CRS-1000-6491 1000 36 21,6 - 47 50,9 72 13,9 91
CRS-1000-6478 1000 48 28,8 - 60 38,2 24 41,6 91
CRS-1000-6479 1000 48 28,8 - 60 37,7 48 20,8 92
CRS-1000-6481 1000 72 43,2 - 90 25,4 24 41,6 91
CRS-1000-6482 1000 72 43,2 - 90 25,2 48 20,8 92
CRS-1000-6484 1000 110 66 - 144 16,5 24 41,6 92
CRS-1000-6485 1000 110 66 - 144 16,3 48 20,8 93
CRS-1000-6493 1000 110 66 - 144 16,1 110 9,8 94
CRS-1000_Datasheet.pdf

Find the Right Model

*References subject to special MOQs and lead times
Model Number Input Voltage (Vdc) Output Voltage (Vdc) Output Current (A)
product variant CRS-1000-6475 24Vdc: 14.4...30Vdc 24Vdc 41.6A
product variant CRS-1000-6476* 24Vdc: 14.4...30Vdc 48Vdc 20.8A
product variant CRS-1000-6490 24Vdc: 14.4...30Vdc 72Vdc 13.9A
product variant CRS-1000-6492 24Vdc: 14.4...30Vdc 110Vdc 9.8A
product variant CRS-1000-6487 36Vdc: 21.6...47Vdc 24Vdc 41.6A
product variant CRS-1000-6488* 36Vdc: 21.6...47Vdc 48Vdc 20.8A
product variant CRS-1000-6491 36Vdc: 21.6...47Vdc 72Vdc 13.9A
product variant CRS-1000-6478 48Vdc: 28.8...60Vdc 24Vdc 41.6A
product variant CRS-1000-6479* 48Vdc: 28.8...60Vdc 48Vdc 20.8A
product variant CRS-1000-6481 72Vdc: 43.2...90Vdc 24Vdc 41.6A
product variant CRS-1000-6482 72Vdc: 43.2...90Vdc 48Vdc 20.8A
product variant CRS-1000-6484 110Vdc: 66...144Vdc 24Vdc 41.6A
product variant CRS-1000-6485 110Vdc: 66...144Vdc 48Vdc 20.8A
product variant CRS-1000-6494 110Vdc: 66...144Vdc 72Vdc 13.9A
product variant CRS-1000-6493 110Vdc: 66...144Vdc 110Vdc 9.8A

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