PRO ECO 72W 24V 3A II SI
PRO ECO 72W 24V 3A II SI
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PRO ECO 72W 24V 3A II SI
PRO ECO 72W 24V 3A II SI
PRO ECO 72W 24V 3A II SI
PRO ECO 72W 24V 3A II SI
PRO ECO 72W 24V 3A II SI
PRO ECO 72W 24V 3A II SI

PRO ECO 72W 24V 3A II SI

Power supply, switch-mode power supply unit, 24 V

Item No. 3146450000
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Approvals General ordering data Dimensions and weights Temperatures Input Output General data EMC / shock / vibration Insulation coordination Electrical safety (applied standards) Connection data (input) Connection data (output) Connection data (signal) Signalling Classifications

Approvals

Approvals
![](https://mdcop.weidmueller.com/mediadelivery/rendition/900_319222/-S800/-T1z1mm-S80)  
ROHS
Conform  

General ordering data

Version
Power supply, switch-mode power supply unit, 24 V  
Order No.
3146450000  
Type
PRO ECO 72W 24V 3A II SI  
GTIN (EAN)
4099987579391  
Qty.
1  items

Dimensions and weights

Depth
100  mm
Depth (inches)
3.937  inch
Height
130  mm
Height (inches)
5.118  inch
Width
32  mm
Width (inches)
1.26  inch
Net weight
440  g

Temperatures

Storage temperature
-40 °C...85 °C  
Operating temperature
-25 °C...70 °C  
Start-up
≥ -40 °C  
Humidity
5…95 % rel. humidity, no condensation  

Input

AC input voltage range
85...264 V AC (derating at 100 V AC)  
Connection system
SNAP IN  
Current consumption in relation to the input voltage
  • Voltage type:
    AC
  • Input voltage:
    100 V
  • Input current:
    1.33 A
  • Voltage type:
    AC
  • Input voltage:
    240 V
  • Input current:
    0.69 A
  • Voltage type:
    DC
  • Input voltage:
    120 V
  • Input current:
    0.73 A
  • Voltage type:
    DC
  • Input voltage:
    370 V
  • Input current:
    0.26 A
DC input voltage range
110…370 V DC (derating at 120 V DC)  
Frequency range AC
45…65 Hz  
Input fuse
internal  
Inrush current (typ.)
35  A
Line regulation (typ.)
1  %
Load regulation (typ.)
2  %
Nominal power consumption
82.8  VA
Rated input voltage
100...240 V AC / 120...340 V DC  
Recommended back-up fuse
2 A / DI, safety fuse
6 A, Char. B, circuit breaker
2...4 A, Char. C circuit breaker  
Start-up time, max.
1  s
Surge protection
Varistor  
Wire connection method
SNAP IN  

Output

Capacitive load
unrestricted  
Connection system
SNAP IN  
Continuous output current @ UNominal
1.875 A @ 70 °C  
Line regulation (typ.)
1  %
Load regulation (typ.)
2  %
Mains failure bridge-over time
  • Mains failure bridge-over time, min.:
    124 ms
  • Input voltage type:
    AC
  • Input voltage:
    230 V
  • Output current:
    3 A
  • Output voltage:
    24 V
  • Mains failure bridge-over time, min.:
    27 ms
  • Input voltage type:
    AC
  • Input voltage:
    120 V
  • Output current:
    3 A
  • Output voltage:
    24 V
Max. residual ripple
<50 mVPP / bandwidth 20 MHz  
Nominal output current for Unom
3 A at 55 °C  
Output power
72  W
Output voltage, max.
28  V
Output voltage, min.
22  V
Output voltage, note
(adjustable via potentiometer)  
Overload protection
Yes  
Parallel connection option
yes, max. 3  
Protection against inverse voltage
Yes  
Ramp-up time
≤ 100 ms  
Rated output voltage
24 V DC  
Wire connection method
SNAP IN  

General data

Degree of efficiency
Typ.: 83,5% @ 120 V AC  
Typ.: 87,5% @ 230 V AC  
Earth leakage current, max.
3.5  mA
Housing version
Metal, corrosion resistant  
Humidity
5…95 % rel. humidity, no condensation  
Mounting position, installation notice
on terminal rail TS 35  
MTBF
  • According to Standard:
    SN 29500
  • Operating time (hours), min.:
    3,200,000 h
  • Ambient temperature:
    25 °C
  • Input voltage:
    230 V
  • Output power:
    72 W
  • Duty cycle:
    100 %
  • According to Standard:
    SN 29500
  • Operating time (hours), min.:
    1,800,000 h
  • Ambient temperature:
    40 °C
  • Input voltage:
    230 V
  • Output power:
    72 W
  • Duty cycle:
    100 %
  • According to Standard:
    SN 29500
  • Operating time (hours), min.:
    900,000 h
  • Ambient temperature:
    60 °C
  • Input voltage:
    230 V
  • Output power:
    72 W
  • Duty cycle:
    100 %
Power factor
  • Power factor typical:
    0.5
  • Input voltage:
    120 V
  • Ambient temperature:
    25 °C
  • Output power:
    72 W
  • Power factor typical:
    0.45
  • Input voltage:
    230 V
  • Ambient temperature:
    25 °C
  • Output power:
    72 W
Power loss, idling
3  W
Power loss, nominal load
12  W
Protection against over-heating
Yes  
Protection against reverse voltages from the load
30…35 V DC  
Protection degree
IP20  
Short-circuit protection
Yes  
Surge voltage category
II  

EMC / shock / vibration

Interference immunity test acc. to
EN 61000-4-2 (ESD)  
EN 61000-4-3 (RS)  
IEC 61000-6-4  
EN 61000-4-4 (burst)  
EN 61000-4-5 (surge)  
EN 61000-4-6 (conducted)  
EN61000-4-8 (Fields)  
EN 61000-4-11 (Dips)  
IEC 61000-6-1  
IEC 61000-6-2  
IEC 61000-6-3  
Limiting of mains voltage harmonic currents
According to EN 61000-3-2  
Noise emission in accordance with EN55032
Class B  
Shock resistance IEC 60068-2-27
30 g in all directions  
Vibration resistance IEC 60068-2-6
0.7 g  

Insulation coordination

Insulation voltage input / earth
3  kV
Insulation voltage output / earth
0.5  kV
Insulation voltage, input/output
4  kV
Pollution severity
2  
Protection class
I, with PE connection  
Surge voltage category
II  

Electrical safety (applied standards)

Electrical machine equipment
Acc. to EN60204  
Safety extra-low voltage
SELV acc. to IEC 61010-1  
PELV acc. to IEC 61010-2-201  
Safety transformers for switch-mode power supplies
According to EN 61558-2-16  

Connection data (input)

Conductor cross-section, AWG/kcmil , max.
12  AWG
Conductor cross-section, AWG/kcmil , min.
26  AWG
Conductor cross-section, flexible , min.
0.5  mm²
Conductor cross-section, rigid , max.
6  mm²
Conductor cross-section, rigid , min.
0.5  mm²
Connection system
SNAP IN  
Number of terminals
3 for L/N/PE  
Stripping length (input)
6  mm
Wire connection cross section, flexible (input), max.
4  mm²

Connection data (output)

Conductor cross-section, AWG/kcmil , max.
12  AWG
Conductor cross-section, AWG/kcmil , min.
26  AWG
Conductor cross-section, flexible , max.
4  mm²
Conductor cross-section, flexible , min.
0.5  mm²
Conductor cross-section, rigid , max.
6  mm²
Conductor cross-section, rigid , min.
0.5  mm²
Connection system
SNAP IN  
Number of terminals
4 (++ / --)  
Stripping length (output)
6  mm

Connection data (signal)

Number of terminals
2  
Stripping length (Signal)
8  mm
Wire connection cross-section, flexible (signal), max.
1.5  mm²
Wire connection cross-section, flexible (signal), min.
0.2  mm²
Wire connection method
PUSH IN  
Wire cross-section, AWG/kcmil , max.
14  
Wire cross-section, AWG/kcmil , min.
28  mm²
Wire cross-section, solid , max.
1.5  mm²
Wire cross-section, solid , min.
0.2  mm²

Signalling

Contact load (NO contact)
max. 30 V DC / 1 A  
Floating contact
Yes  
LED green
Operating voltage OK  

Classifications

ETIM 6.0
EC002540  
ETIM 7.0
EC002540  
ETIM 8.0
EC002540  
ETIM 9.0
EC002540  
ETIM 10.0
EC002540  
ECLASS 9.0
27-04-07-01  
ECLASS 9.1
27-04-07-01  
ECLASS 10.0
27-04-07-01  
ECLASS 11.0
27-04-07-01  
ECLASS 12.0
27-04-07-01  
ECLASS 13.0
27-04-07-01  
ECLASS 14.0
27-04-07-01  
ECLASS 15.0
27-04-07-01