PRO DC BUFFER 24V 40A
PRO DC BUFFER 24V 40A
Derating curve
Temperature Derating
PRO DC BUFFER 24V 40A
Block diagram
Block Diagram
PRO DC BUFFER 24V 40A
Block diagram
Single Operation
PRO DC BUFFER 24V 40A
Block diagram
Parallel Operation

PRO DC BUFFER 24V 40A

Module buffer, 24 V

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Agréments Informations générales de commande Dimensions et poids Hőmérsékletek Shoda produktu s prostředím Input Output General data EMC / shock / vibration Insulation coordination Electrical safety (applied standards) Connection data (input) Connection data (output) Connection data (signal) Signalisation PA52_7 Illustrations du produit Classifications

Agréments

Approvals
![](https://assets.dam.weidmueller.com/assets/api/98e12ea5-58f4-450a-9983-f439987b3951/DAP_Master_ICON,w_80,q_80) 
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![](https://assets.dam.weidmueller.com/assets/api/0d1637a4-c7dd-4915-8bc8-4c9de8d8b393/DAP_Master_ICON,w_80,q_80) 
![](https://assets.dam.weidmueller.com/assets/api/a141b9cd-a4d9-451f-8b4d-e03428dc3481/DAP_Master_ICON,w_80,q_80) 
ROHS
Conforme 
UL File Number Search
[Site Web UL](https://database.ul.com/cgi-bin/XYV/cgifind/LISEXT/1FRAME/gfilenbr.html) 
Certificate no. (cULus)
E258476 

Informations générales de commande

Version
Module buffer, 24 V 
Order No.
2786250000 
Type
PRO DC BUFFER 24V 40A 
GTIN (EAN)
4064675063490 
Qté.
1 Pièce

Dimensions et poids

Depth
130 mm
Profondeur (pouces)
5.118 inch
Height
125 mm
Hauteur (pouces)
4.921 inch
Width
65 mm
Width (inches)
2.559 inch
Poids net
1,142 g

Hőmérsékletek

Storage temperature
-40 °C...85 °C 
Operating temperature
-25 °C...70 °C 
Humidité
5...95 % (sans condensation) 

Shoda produktu s prostředím

RoHS Compliance Status
Compliant with exemption 
RoHS Exemption (if applicable/known)
7a, 7cI 
REACH SVHC
Lead 7439-92-1 
SCIP
0ffa7f6e-dcfd-414c-a39f-eb67653cea98 

Input

Connection system
Screw connection 
DC current consumption
<0.2 A @ no load 
<1 A @ charging process for typ. 10s 
DC input voltage range
22.5 - 30 V DC 
Input current
0...41 A 
Input fuse (internal)
Yes 
Rated input voltage
24 V DC 

Output

Connection system
Screw connection 
Mains failure bridge-over time
  • Mains failure bridge-over time, min.:
    200 ms
  • Input voltage type:
    DC
  • Input voltage:
    24 V
  • Output current:
    40 A
  • Output voltage:
    22.2 V
Output current at 40 °C
25 A 
Output voltage
22.2 ± 0.4 V DC / Vin-1 V(± 0.4 V) 
Output voltage, note
Correspond à la tension d'entrée 
Overload and short circuit protection
Oui 
Overload protection
Oui 
Parallel connection option
Oui 
Protection against inverse voltage
Oui 
Rated current
40 A
Surge protection
33 V…35 V 

General data

Degree of efficiency
≥ 98% buffer mode 
Housing version
Metal, corrosion resistant 
Humidity
5...95 %, no condensation 
Mounting position, installation notice
Horizontal on DIN rail TS 35, top and bottom 50 mm clearance for free air flow, 10 mm clearance to neighbouring subassemblies. 
MTBF
  • According to Standard:
    SN 29500
  • Operating time (hours), min.:
    2,500,000 h
  • Ambient temperature:
    25 °C
  • Input voltage:
    24 V
  • Output power:
    960 W
  • Duty cycle:
    100 %
Protection degree
IP20 
Short-circuit protection
Oui 
interne 
Storage medium
Condensateur interne 
Weight
1,142 g

EMC / shock / vibration

Interference immunity test acc. to
EN 61000-4-2, -3, -4, -5, -6 
Noise emission in accordance with EN55032
Class B 
Shock resistance IEC 60068-2-27
30 g dans toutes les directions 
Vibration resistance IEC 60068-2-6
2,3 g (monté sur rail profilé) 

Insulation coordination

Insulation voltage input / earth
0.5 kV
Insulation voltage output / earth
0.5 kV
Pollution severity
2 
Protection class
III, sans raccordement PE, pour SELV 

Electrical safety (applied standards)

Electrical machine equipment
Acc. to EN60204 
Safety extra-low voltage
SELV selon CEI 60950-1 
PELV conforme à la norme EN 60204-1 

Connection data (input)

Conductor cross-section, AWG/kcmil , max.
8 AWG
Conductor cross-section, AWG/kcmil , min.
22 AWG
Conductor cross-section, flexible , min.
0.5 mm²
Conductor cross-section, rigid , max.
16 mm²
Conductor cross-section, rigid , min.
0.5 mm²
Connection system
Screw connection 
Number of terminals
4 (++--) 
Reverse polarity protection
Oui, ≤31 V DC 
Tightening torque, max.
0.6 Nm
Tightening torque, min.
0.5 Nm
Wire connection cross section, flexible (input), max.
16 mm²

Connection data (output)

Conductor cross-section, AWG/kcmil , max.
8 AWG
Conductor cross-section, AWG/kcmil , min.
22 AWG
Conductor cross-section, flexible , max.
16 mm²
Conductor cross-section, flexible , min.
0.5 mm²
Conductor cross-section, rigid , max.
16 mm²
Conductor cross-section, rigid , min.
0.5 mm²
Connection system
Screw connection 
Number of terminals
4 (++ / —) 
Reverse polarity protection
Oui, ≤31 V DC 
Tightening torque, max.
0.6 Nm
Tightening torque, min.
0.5 Nm

Connection data (signal)

Number of terminals
4 (Uin OK, Ready, Active, Sgnd)
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

Signalisation PA52_7

Status indicator
LED verte 

Illustrations du produit

Illustration title 03
Graph 
Légende 03
Buffer Time 

Classifications

ETIM 8.0
EC002850 
ETIM 9.0
EC002850 
ETIM 10.0
EC002850 
ECLASS 14.0
27-04-06-92 
ECLASS 15.0
27-04-06-92