Meanwell DR-RDN20 Bedienungsanleitung

Installation Manual

Type：DR-RDN20 DIN rail peripheral

DR-RDN20 INPUT：A：21-28VDC 20A OUTPUT：20A (max)

B：21-28VDC 20A

Introduction

DR-RDN20 is a DIN rail peripheral for the redundant module.

Like other Mean Well’s DIN series, they can be mounted on a TS35 Standard DIN rail.

Installation

（1）Always allow good ventilation clearances, 5mm left and right, 40mm above and 20mm below, around the unit

in use to prevent it from overheating. Also a 10-15 cm clearance must be kept when the adjacent device is a

heat source.

（2）The appropriate mounting orientation for the unit is vertical, the TB1 terminals at the bottom. Mounting

orientations other than that, such as upside down, horizontal, or table-top mounting, is not allowed.

（3）Use copper wire only, and recommended wires are shown as below.

AWG

Rated Current of

Equipment (Amp)

10A

15A

20A

30A

Cross-section of

Lead(mm2)

0.8

1.3

2.1

3.3

5.3

Note: 1. Current each wire carries should be de-rated to 80% of the current suggested

above when using 5 or more wires connected to the unit.

2. The maximum allowable wire cross-sectional area for the terminal is 10 AWG/

5.3 mm2 .

Make sure that all strands of each stranded wire enter the terminal connection and the screw terminals are

securely fixed to prevent poor contact. If the power supply possesses multi-output terminals, please make

sure each contact is connected to wires to prevent too much current stress on a single contact.

（4）Use wires that can withstand temperatures of at least 80°C, such as UL1007.

（5）Recommended wire strapping length is 5mm (0.197”).

（6）Recommended screwdriver is 4mm, slotted type.

（7）The recommended torque setting for terminals is 10kgf-cm(9Lb-in).

Installation Manual

（8）Mounting Instruction：

Mount as shown in figure only, with input terminals down, or else sufficient cooling will not be possible.

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.

（9）For other information about the products, please refer to www.meanwell.com for details.

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 a pollution degree 2 environment (Note.1).

（6）Please do not install the unit in places with high moisture or near the water.

（7）The maximum operating temperature is 70°C , please do not install the unit in places with high ambient

temperature or near fire source.

（8）Output current and output wattage must not exceed the rated value on its specification.

（9）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!

（10）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

conductive due to occasional condensation. Generally refer to dry, well-ventilated locations, such as

control cabinets.

"Click"

Installation Manual

Manufacturer：

MEAN WELL ENTERPRISES Co., LTD.

No.28, Wuquan 3rd Rd., Wugu Dist.,

New Taipei City 24891, Taiwan

Tel: +886-2-2299-6100

Web: www.meanwell.com

Branch Office：

China

MEAN WELL (GUANGZHOU)

ENTERPRISES Co., LTD.

2F, A Building, Yuean lndustry Park,

Huangcun,Dongpu Yown, Tianhe

District, Gungzhou, China

Post Code:510660

Tel: +86-20-2887-1200

Web: www.meanwell.com.cn

U.S.A.

MEAN WELL USA, INC.

44030 Fremont Blvd., Fremont,

CA 94538, U.S.A.

Tel: +1-510-683-8886

Web: www.meanwellusa.com

Europe

MEAN WELL EUROPE B.V.

Langs de Werf 8, 1185XT

Amstelveen, The Netherlands

Tel: +31-20-758-6000

Web: www.meanwell.eu

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

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 ProductsAppendix B, adopting

table look-up to verify the Environment Friendly Use Period

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

Metal structure

parts

Plastic structure

parts

Accessories

Cables

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.

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