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Operating instructions
DIN Rail Power Supply
Item no. 1781108, 1781109, 1781110, 1781111, 1781112, 1781113, 1781114,
1998769
Introduction
The product is intended to be used for applications such as building automation, alarms,
security systems, LED lighting and control cabinets. It is installed onto a commercially available
DIN rail according to the EN 55022 standard.
For safety and approval purposes, you must not rebuild and/or modify this product. If you use
the product for purposes other than those described above, the product may be damaged. In
addition, improper use can result in short circuits, fires, electric shocks or other hazards. Read
the instructions carefully and store them in a safe place. Make this product available to third
parties only together with its operating instructions.
This product complies with the statutory national and European requirements. All company
names and product names are trademarks of their respective owners. All rights reserved.
Package Contents
• DIN rail power supply
• Operating instructions
Up-to-Date Operating Instructions
Download the latest operating instructions via
the link www.conrad.com/downloads or scan
the QR code. Follow the instructions on the
website.
Explanation of Symbols
The lightning symbol inside of a
triangle is used when there is a
potential risk of personal injury,
such as electric shock.
An exclamation mark in a triangle
indicates important instructions in
these operating instructions which
absolutely have to be observed.
The arrow symbol indicates specific
tips and advice on operation.
Risk of burns. Surface becomes
hot during use.
This product should be used
indoors in dry areas.
The product is designed according
to protection Class II (reinforced
or double insulation, protective
insulation).
Safety Instructions
Read the operating instructions
carefully
and
especially
observe the safety information.
If you do not follow the safety
instructions and information on
proper handling in this manual,
we assume no liability for any
resulting personal injury or
damage to property. Such cases
will invalidate the warranty/
guarantee.
a) General Information
• The device is not a toy. Keep it out of the
reach of children and pets.
• Do not leave packaging material lying
around carelessly. This may become
dangerous playing material for children.
• Protect the appliance from extreme
temperatures, direct sunlight, strong jolts,
high humidity, moisture, flammable gases,
steam and solvents.
• Do not place the product under any
mechanical stress.
• Please handle the product carefully. Jolts,
impacts or a fall even from a low height can
damage the product.
• Consult an expert when in doubt about
the operation, safety or connection of the
appliance.
• This device does not contain serviceable
parts.
• If you have questions which remain
unanswered
by
these
operating
instructions, contact our technical support
service or other technical personnel.
• On industrial sites, the accident prevention
regulations of the association of the
industrial workers' society for electrical
equipment and utilities must be followed!
b) Connected Devices
• Also observe the safety and operating
instructions of any other devices which are
connected to the product.
c) Ingress Protection (IP20)
• This device has an IP20 ingress protection
rating and is suitable for dry rooms e.g.
control cabinets.
• There is protection against touching live
components and ingress from foreign
particles >12.5 mm.
• There is no protection against water,
combustible gases, and vapours.
• It is recommended to install the device in a
control cabinet which provides the desired
degree of protection.
d) Installation
• Installation should be carried out by a
qualified specialist (e.g., electrician)
who is familiar with regulations and
safety precautions. If it is not installed
properly, you risk:
- your own life
- the life of the person using the
electrical system
- severe damage to property, e.g., by
fire
- being held liable for personal injury
and material damage
• Do not install in areas where moisture and/
or condensation are likely to occur.
• If
damage
or
malfunction
occur during installation or operation,
immediately turn the power off and
take necessary precautions to prevent
unintentional use, then contact a specialist
for inspection.
• If it is no longer possible to operate the
product safely, take it out of operation and
protect it from any accidental use. Safe
operation can no longer be guaranteed if
the product:
- is visibly damaged,
- is no longer working properly,
- has been stored for extended periods in
poo r ambient conditions or
- has been subjected to any serious
transport-related stresses.
• Risk of fatal electric shock! The device
must be voltage-free during installation
and when removing the device.
- Turn off the automatic circuit breaker
and the earth leakage circuit breaker to
disconnect all the poles from the mains
voltage.
- Secure
it
against
reconnection, e.g., with a warning sign.
Overview
Images are for reference only. Models BN1781114 and BN1781111 are shown.
N
L
1
PSD-321
100-240 V/AC
50/60 Hz 0.2 A
24-28 V/DC Adj
MAX. 10 W
2
3
V Adj.
4
1 Input terminal: N,L 100 - 240 V/AC
2 LED Power indicator: DC OK
Installation
Installation environment must meet environmental requirements as listed in the
section "Technical data".
a) Installation Requirements
• During installation, all poles must be disconnected from the mains voltage, e.g., via RCD.
There must be an appropriately dimensioned fuse or circuit breaker between the RCD and
the product.
• Never connect the product to the power supply immediately after it has been transferred
from a cold room into a warm one (e.g., during transport). The condensation that forms
might destroy the device. Moreover, there is danger of electric shock!
• Allow the product to reach room temperature. Wait until the condensation has evaporated.
This might take several hours. Only after this, should it be installed, connected to the mains
supply and put into use.
• Do not obstruct airflow and do not cover the ventilation grid. This device is designed for
convection cooling and does not require an external fan.
• The device must be mounted vertically. The label should be the right side up and the
DC-output terminal pointing down.
• Clearance should be at least 5 mm left/right, 40 mm above and 20 mm below the power
adapter. It should be more than 100 mm away from any heat source.
b) Mounting
N
L
should
PSD-323
100-240 V/AC
50/60 Hz 1.1 A
24-28 V/DC Adj.
MAX. 60 W
V Adj.
- Check to make sure there is no voltage
with a suitable measuring instrument
e) Operation
• Risk of burns. The device gets hot during
use, disconnect from power source and
allow to cool before touching.
• Make sure there is suitable electrical shock
protection over connecting terminals and
power cables.
• If safe operation is not possible, do not
touch the product!
- First switch off the mains voltage to all
poles (switch off the connected circuit
breaker or remove the fuse and then
switch off the connected residual current
device).
- Take any necessary precautions to
prevent unintentional use.
unauthorized
- Contact a qualified electrician for
inspection.
N
L
PSD-323
100-240 V/AC
50/60 Hz 1.1 A
24-28 V/DC Adj.
MAX. 60 W
3
V Adj.
3 DC-output adjust: V Adj.
4 DC-output terminal: - / +
The device must only be mounted onto an
EN55022 (TS 35/7.5 or TS 35/15) standard
DIN rail.
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