Installation Manual
3
1
2
4
（
9
）
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.
（
10
）
For other information about the products, please refer to www.meanwell.com for details.
Warning / Caution !!
“CAUTION
：
FOR USE IN A CONTROLLED ENVIRONMENT. REFER TO MANUAL FOR ENVIRONMENTAL CONDITION”
ATTENTION: A UTILISER DANS UN ENVIRONNEMENT CONTROLE. REFEREZ VOUS AU MANUEL POUR
LES CONDITIONS D’ENVIRONNEMENT.
（
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 60°C for the DDR-15/30; 50°C for the DDR-60, 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!
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.
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