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1000W Single Output DC/DC Converters PREMIUM CRS-1000 SERIES

Features
  • Designed according to EN50155
  • Fire and smoke: EN45545-2 approved
  • High input-output isolation
  • Adjustable output voltage
  • Remote inhibit
  • Remote sensing
  • Input &Output OK LEDs
  • Output failure alarm
  • Input reverse polarity protection
  • ORing FET option
  • Different cooling options
  • Efficiency up to 94%
Specification Sheet Make a Sales Enquiry

PREMIUM CRS-1000 SERIES

Product Overview

The CRS-1000 series consists of DC-DC converters with a galvanic isolation input-output and fixed switching frequency.

For maximum regulation, the remote sensing terminals can be connected to the load. This will allow a power cable voltage drop of up to 0.3 V on each cable to be offset.

The device is protected against overloads and short-circuits by means of a current limiting circuit.

The device is also protected against reverse polarity input voltage, and the input fuse blows if an improper connection is made.

When a converter input under-voltage condition occurs, the converter is disabled, thus preventing the battery from becoming totally discharged.

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 Illustration

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