Installation Manual
（
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.
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8
）
The FG (
) must be connected to PE (Protective Earth).
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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
conductive due to occasional condensation. Generally refer to
dry, well-ventilated locations, such as
control cabinets.
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
