Meanwell PWR24048 Bedienungsanleitung
User Manual
Type
DINrailpowersupply
EDR-120-24
INPUT
: 100-240VAC 2.6A 50
/
60Hz
OUTPUT
: 24V 5A
NDR-120-48
INPUT
: 100-240VAC 2.6A 50
/
60Hz
OUTPUT
: 48V2.5A
NDR-240-48
INPUT
: 100-240VAC 2.8A 50
/
60Hz
OUTPUT
: 48V 5A
Introduction
NDR is a DIN rail power supply series with an economical price and slim design. Like other Mean Well’s DIN series,
they can be mounted on a TS35 Standard DIN rail.
Installation
（
1
）
Alwaysallowgoodventilationclearances,5mmleftandright,40mmaboveand20mmbelow,
aroundtheunit inusetopreventitfromoverheating.Alsoa10-15cmclearancemustbekeptwhenthe
adjacentdeviceisa heat source.
（
2
）
The appropriate mounting orientationfor the unit isvertical,the inputterminals at thebottom and
outputon thetop.Mountingorientationsotherthanthat,suchasupsidedown,horizontal,ortable-
topmounting,isnot allowed.
Use copper wire only, and recommended wires are shown as below.
Makesurethatall strands ofeachstrandedwire entertheterminalconnectionand the screw
terminalsare securelyfixedto prevent poorcontact.Ifthe powersupply possessesmulti-output
terminals, please make sure each contact is connected to wires to prevent too much current stress on
a single contact.
AWG 18 16 14 12
Rated Current of
Equipment (Amp) 7A 10A 15A 20A
Cross-section of
Lead(mm2) 0.8 1.3 2.1 3.3
Note:
Currenteachwirecarriesshouldbede-ratedto80%ofthecurrentsuggested above when using 5 or more
wires connected to the unit.
User Manual
（
3
）
Use wires that can withstand temperatures of at least 80°C, such as UL1007.
（
4
）
Recommended wire strapping length is 5mm (0.197”).
（
5
）
Recommended screwdriver is 3mm, slotted type.
（
6
）
The recommended torque setting for terminals is shown as below.
（
7
）
SuggestedfuseandmaximumnumberofthePSUsthatcanbeconnectedtoacircuitbreakerat
230Vare shown as below.
Model Fuse Circuit breaker
C16 D16
EDR-120 T4A/L250V 5 9
NDR-120 T4A/L250V 5 10
NDR-240 T5A/L250V 4 10
（
8
）
Mounting Instruction:
Mountasshowninfigureonly,withinputterminalsdown,orelsesufficientcoolingwillnotbepossible.
Admissible DIN rail: TS35/7.5 or TS35/15
For rail fastening:
（
a
）
Tilt the unit slightly rearwards.
（
b
）
Fit the unit over top hat rail.
（
c
）
Slide it downward until it hits the stop.
（
d
）
Press against the bottom for locking.
（
e
）
Shake the unit slightly to check the locking action.
（11）For other information about the products, please refer to www.meanwell.com for details.
Model I/P O/P
EDR-120 10.35 kgf-cm (9 Lb-in) 10.35 kgf-cm (9 Lb-in)
NDR-120 10.35 kgf-cm (9 Lb-in) 10.35 kgf-cm (9 Lb-in)
NDR-240 10.35 kgf-cm (9 Lb-in) 10.35 kgf-cm (9 Lb-in)
User Manual
Warning / Caution !
（
1
）
Risk of electrical shock and energy hazard. All failure should be examined by a qualified
technician. Please do not remove the case of the power supply by yourself!
（
2
）
Risk of electric arcs and electric shock (danger to life). Connecting both the primary and the
secondary sides together is not allowed.
（
3
）
Risk of burn hazard. Do not touch the unit in operation and shortly after disconnection!
（
4
）
Risk of fire and short circuit. The openings should be protected from foreign objects or dripping
liquids.
（
5
）
Only install the unit in pollution degree 2 environments (Note.1).
（
6
）
Please do not install the unit in places with high moisture or near the water.
（
7
）
The maximum operating temperature is 45°C for NDR/EDR-75-12; 50°C for NDR/EDR-75-24/48,
NDR/EDR-120-12/24/48, NDR-240-24/48, NDR-480-24/48, please do not install the unit in
places with high ambient temperature or near fire source.
（
8
）
The FG must be connected to PE (Protective Earth).
（
9
）
Output current and output wattage must not exceed the rated value on its specification.
（
10
）
Disconnect system from supply voltage:
Before commencing any installation, maintenance or modification work: Disconnect your
system from supply voltage. Make sure that inadvertent connection in circuit will be
impossible!
（
11
）
For continued protection against risk of fire, replace only with same type and rating of fuse.
Pour ne pas compromettre la protection contre les risqué d’incendie, remplacer par un fusible
de même type et de memes caractéristiques nominales.
Note.1:
Pollution Degree 2 applies where there is only non-conductive pollution that might temporarily
become conductiveduetooccasionalcondensation.Generallyrefertodry,well-ventilatedlocations,
suchas control cabinets.
Manufacturer：
MEANWELLENTERPRISESCo.,LTD.
No.28,Wuquan3rdRd.,Wugu
Dist.,
NewTaipeiCity24891,
Taiwan
Tel: +886-2-2299-6100
Web: www.meanwell.com
Importer ：
ASSMANN Electronic GmbH
Auf dem Schüffel 3
58513 Lüdenscheid
Germany
www.assmann.com
Observing SJT 11364-2014, Marking for the Restricted Use of Hazardous
Substances in Electronic and Electrical Products
Observing SJ/Z 11388-2009, General Guidelines of Environment-friendly
Use Period of Electronic Information Products Appendix B, adopting
table look-up to verify the Environment Friendly Use Period
Declaration of China RoHS Conformity
In order to reduce the impacts on the environment and take the more responsibility for protecting
the earth, MEAN WELL is confirming and announcing the conformity to China RoHS, an
Administrative Measures for the Restriction of the Use of Hazardous Substances in Electrical and
Electronic Products.
Environment Friendly Use Period Label
Names and Contents of Hazardous Substances Lists
Part Name
Hazardous Substances
Lead
(Pb)
Mercury
(Hg)
Cadmium
(Cd)
Hexavalent
chromium
(Cr6+)
Polybrominated
biphenyls
(PBB)
Polybrominated
diphenyl ethers
(PBDE)
PCB and its
components
X
O
X
O
O
O
Metal structure
parts
X
O
O
O
O
O
Plastic
structure
parts
O
O
O
O
O
O
Accessories
O
O
O
O
O
O
Cables
X
O
O
O
O
O
O: The concentration of the hazardous substances within the homogeneous material of that
product is less than the concentration limits set by GB/T 26572-2011.
X: The concentration of the hazardous substances within the homogeneous material of that
product is over the concentration limits set by GB/T 26572-2011; however, it follows the
standard advised by 2011/65/EU.
Dieses Handbuch passt für folgende Modelle
5
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