Bosch PSU-124-DC050 User manual

Power Supply
PSU-124-DC050
en Installation manual

Power Supply Table of Contents | en 3
Bosch Security Systems Installation manual AR18-10-B002 | v1.1 | 2011.10
Table of Contents
1Safety 4
1.1 Safety precautions 4
1.2 Important safety instructions 5
1.3 Important Notices 8
1.4 FCC & ICES compliance 9
1.5 UL certification 11
1.6 Bosch notices 12
2 Installation 13
2.1 Tools required 13
2.2 Opening the side covers 13
2.3 Mount the unit 13
2.4 Connecting the input cable 14
2.5 Connecting the output cables 15
3 Technical Data 16
3.1 Specifications 16
3.1.1 Dimensions 17

4en | Safety Power Supply
AR18-10-B002 | v1.1 | 2011.10 Installation manual Bosch Security Systems
1Safety
1.1 Safety precautions
DANGER!
High risk: This symbol indicates an imminently hazardous
situation such as "Dangerous Voltage" inside the product.
If not avoided, this will result in an electrical shock, serious
bodily injury, or death.
WARNING!
Medium risk: Indicates a potentially hazardous situation.
If not avoided, this could result in minor or moderate bodily
injury.
CAUTION!
Low risk: Indicates a potentially hazardous situation.
If not avoided, this could result in property damage or risk of
damage to the unit.

Power Supply Safety | en 5
Bosch Security Systems Installation manual AR18-10-B002 | v1.1 | 2011.10
1.2 Important safety instructions
Read, follow, and retain for future reference all of the following
safety instructions. Heed all warnings on the unit and in the
operating instructions before operating the unit.
1. Cleaning - Unplug the unit from the outlet before cleaning.
Follow any instructions provided with the unit. Generally,
using a dry cloth for cleaning is sufficient but a moist, fluff-
free cloth or leather shammy may also be used. Do not use
liquid cleaners or aerosol cleaners.
2. Heat Sources - Do not install the unit near any heat
sources such as radiators, heaters, stoves, or other
equipment (including amplifiers) that produce heat.
3. Ventilation - Any openings in the unit enclosure are
provided for ventilation to prevent overheating and ensure
reliable operation. Do not block or cover these openings.
Do not place the unit in an enclosure unless proper
ventilation is provided, or the manufacturer's instructions
have been adhered to.
4. Object and liquid entry - Never push objects of any kind
into this unit through openings as they may touch
dangerous voltage points or short-out parts that could
result in a fire or electrical shock. Never spill liquid of any
kind on the unit. Do not place objects filled with liquids,
such as vases or cups, on the unit.
5. Lightning - For added protection during a lightning storm,
or when leaving this unit unattended and unused for long
periods, unplug the unit from the wall outlet and
disconnect the cable system. This will prevent damage to
the unit from lightning and power line surges.
6. Controls adjustment - Adjust only those controls specified
in the operating instructions. Improper adjustment of
other controls may cause damage to the unit. Use of
controls or adjustments, or performance of procedures
other than those specified, may result in hazardous
radiation exposure.

6en | Safety Power Supply
AR18-10-B002 | v1.1 | 2011.10 Installation manual Bosch Security Systems
7. Overloading - Do not overload outlets and extension cords.
This can cause fire or electrical shock.
8. Power cord and plug protection - Protect the plug and
power cord from foot traffic, being pinched by items
placed upon or against them at electrical outlets, and its
exit from the unit. For units intended to operate with
230 VAC, 50 Hz, the input and output power cord must
comply with the latest versions of IEC Publication 227 or
IEC Publication 245.
9. Power disconnect - Units have power supplied to the unit
whenever the power cord is inserted into the power
source. The power cord plug is the main power disconnect
device for switching off the voltage for all units.
10. Power sources - Operate the unit only from the type of
power source indicated on the label. Before proceeding,
be sure to disconnect the power from the cable to be
installed into the unit.
– For battery powered units, refer to the operating
instructions.
– For external power supplied units, use only the
recommended or approved power supplies.
– For limited power source units, this power source
must comply with EN60950. Substitutions may
damage the unit or cause fire or shock.
– For 24 VAC units, voltage applied to the unit's power
input should not exceed ±10%, or 28 VAC. User-
supplied wiring must comply with local electrical
codes (Class 2 power levels). Do not ground the
supply at the terminals or at the unit's power supply
terminals.
– If unsure of the type of power supply to use, contact
your dealer or local power company.
11. Servicing - Do not attempt to service this unit yourself.
Opening or removing covers may expose you to dangerous
voltage or other hazards. Refer all servicing to qualified
service personnel.

Power Supply Safety | en 7
Bosch Security Systems Installation manual AR18-10-B002 | v1.1 | 2011.10
12. Damage requiring service - Unplug the unit from the main
AC power source and refer servicing to qualified service
personnel when any damage to the equipment has
occurred, such as:
– the power supply cord or plug is damaged;
– exposure to moisture, water, and/or inclement
weather (rain, snow, etc.);
– liquid has been spilled in or on the equipment;
– an object has fallen into the unit;
– unit has been dropped or the unit cabinet is damaged;
– unit exhibits a distinct change in performance;
– unit does not operate normally when the user
correctly follows the operating instructions.
13. Replacement parts - Be sure the service technician uses
replacement parts specified by the manufacturer, or that
have the same characteristics as the original parts.
Unauthorized substitutions may cause fire, electrical
shock, or other hazards.
14. Safety check - Safety checks should be performed upon
completion of service or repairs to the unit to ensure
proper operating condition.
15. Installation - Install in accordance with the manufacturer's
instructions and in accordance with applicable local codes.
16. Attachments, changes or modifications - Only use
attachments/accessories specified by the manufacturer.
Any change or modification of the equipment, not
expressly approved by Bosch, could void the warranty or,
in the case of an authorization agreement, authority to
operate the equipment.

8en | Safety Power Supply
AR18-10-B002 | v1.1 | 2011.10 Installation manual Bosch Security Systems
1.3 Important Notices
All-pole power switch - Incorporate an all-pole power switch,
with a contact separation of at least 3 mm in each pole, into the
electrical installation. If it is needed to open the housing for
servicing and/or other activities, use this all-pole switch as the
main disconnect device for switching off the voltage to the unit.
Environmental statement - Bosch has a strong commitment
towards the environment. This unit has been designed to
respect the environment as much as possible.
Fuse rating - For protection of the device, the branch circuit
protection must be secured with a maximum fuse rating of 16A.
This must be in accordance with NEC800 (CEC Section 60).
Grounding and polarization - This unit may be equipped with a
polarized alternating current line plug (a plug with one blade
wider than the other blade). This safety feature allows the plug
to fit into the power outlet in only one way. If unable to insert
the plug fully into the outlet, contact a locally certified
electrician to replace the obsolete outlet. Do not defeat the
safety purpose of the polarized plug.
Alternately, this unit may be equipped with a 3-pole grounding
plug (a plug with a third pin for earth grounding). This safety
feature allows the plug to fit into a grounded power outlet only.
If unable to insert the plug into the outlet, contact a locally
certified electrician to replace the obsolete outlet. Do not
defeat the safety purpose of the grounding plug.
Moving - Disconnect the power before moving the unit. Move
the unit with care. Excessive force or shock may damage the
unit.
Outdoor signals - The installation for outdoor signals, especially
regarding clearance from power and lightning conductors and
transient protection, must be in accordance with NEC725 and
NEC800 (CEC Rule 16-224 and CEC Section 60).
Permanently connected equipment - Incorporate a readily
accessible disconnect device external to the equipment.
Pluggable equipment - Install the socket outlet near the
equipment so it is easily accessible.

Power Supply Safety | en 9
Bosch Security Systems Installation manual AR18-10-B002 | v1.1 | 2011.10
1.4 FCC & ICES compliance
FCC & ICES Information
(U.S.A. and Canadian Models Only)
This equipment has been tested and found to comply with the
limits for a Class B digital device, pursuant to part 15 of the
FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential
installation. This equipment generates, uses, and can radiate
radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful
interference to radio communications. However, there is no
guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference
to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try
to correct the interference by one or more of the following
measures:
– reorient or relocate the receiving antenna;
– increase the separation between the equipment and
receiver;
– connect the equipment into an outlet on a circuit different
from that to which the receiver is connected;
– consult the dealer or an experienced radio/TV technician
for help.
Intentional or unintentional modifications, not expressly
approved by the party responsible for compliance, shall not be
made. Any such modifications could void the user's authority to
operate the equipment. If necessary, the user should consult
the dealer or an experienced radio/television technician for
corrective action.
The user may find the following booklet, prepared by the
Federal Communications Commission, helpful: How to Identify
and Resolve Radio-TV Interference Problems. This booklet is
available from the U.S. Government Printing Office,
Washington, DC 20402, Stock No. 004-000-00345-4.

10 en | Safety Power Supply
AR18-10-B002 | v1.1 | 2011.10 Installation manual Bosch Security Systems
Informations FCC et ICES
(modèles utilisés aux États-Unis et au Canada uniquement)
Suite à différents tests, cet appareil s'est révélé conforme aux
exigences imposées aux appareils numériques de classe B, en
vertu de la section 15 du règlement de la Commission fédérale
des communications des États-Unis (FCC), et en vertu de la
norme ICES-003 d'Industrie Canada. Ces exigences visent à
fournir une protection raisonnable contre les interférences
nuisibles lorsque l'appareil est utilisé dans le cadre d'une
installation résidentielle. Cet appareil génère, utilise et émet
de l'énergie de radiofréquences et peut, en cas d'installation ou
d'utilisation non conforme aux instructions, engendrer des
interférences nuisibles au niveau des radiocommunications.
Toutefois, rien ne garantit l'absence d'interférences dans une
installation particulière. Il est possible de déterminer la
production d'interférences en mettant l'appareil
successivement hors et sous tension, tout en contrôlant la
réception radio ou télévision. L'utilisateur peut parvenir à
éliminer les interférences éventuelles en prenant une ou
plusieurs des mesures suivantes:
– Modifier l'orientation ou l'emplacement de l'antenne
réceptrice;
– Éloigner l'appareil du récepteur;
– Brancher l'appareil sur une prise située sur un circuit
différent de celui du récepteur;
– Consulter le revendeur ou un technicien qualifié en radio/
télévision pour obtenir de l'aide.
Toute modification apportée au produit, non expressément
approuvée par la partie responsable de l'appareil, est
strictement interdite. Une telle modification est susceptible
d'entraîner la révocation du droit d'utilisation de l'appareil.
La brochure suivante, publiée par la Commission fédérale des
communications (FCC), peut s'avérer utile : How to Identify and
Resolve Radio-TV Interference Problems (Comment identifier et
résoudre les problèmes d’interférences de radio et de télévision).
Cette brochure est disponible auprès du U.S. Government

Power Supply Safety | en 11
Bosch Security Systems Installation manual AR18-10-B002 | v1.1 | 2011.10
Printing Office, Washington, DC 20402, États-Unis, sous la
référence n° 004-000-00345-4.
1.5 UL certification
Disclaimer
Underwriter Laboratories Inc. ("UL") has not tested the
performance or reliability of the security or signaling aspects of
this product. UL has only tested fire, shock and/or casualty
hazards as outlined in UL's Standard(s) for Safety for Closed
Circuit Television Equipment, UL 2044. UL Certification does not
cover the performance or reliability of the security or signaling
aspects of this product.
UL MAKES NO REPRESENTATIONS, WARRANTIES, OR
CERTIFICATIONS WHATSOEVER REGARDING THE
PERFORMANCE OR RELIABILITY OF ANY SECURITY OR
SIGNALING RELATED FUNCTIONS OF THIS PRODUCT.
Disclaimer
Underwriter Laboratories Inc. ("UL") has not tested the
performance or reliability of the security or signaling aspects of
this product. UL has only tested fire, shock and/or casualty
hazards as outlined in UL's Standard(s) for Safety for Information
Technology Equipment, UL 60950-1. UL Certification does not
cover the performance or reliability of the security or signaling
aspects of this product.
UL MAKES NO REPRESENTATIONS, WARRANTIES, OR
CERTIFICATIONS WHATSOEVER REGARDING THE
PERFORMANCE OR RELIABILITY OF ANY SECURITY OR
SIGNALING-RELATED FUNCTIONS OF THIS PRODUCT.

12 en | Safety Power Supply
AR18-10-B002 | v1.1 | 2011.10 Installation manual Bosch Security Systems
1.6 Bosch notices
Copyright
This manual is the intellectual property of Bosch Security
Systems and is protected by copyright.
All rights reserved.
Trademarks
All hardware and software product names used in this
document are likely to be registered trademarks and must be
treated accordingly.
NOTE:
This manual has been compiled with great care and the
information it contains has been thoroughly verified. The text
was complete and correct at the time of printing. The ongoing
development of the products may mean that the content of the
user guide can change without notice. Bosch Security Systems
accepts no liability for damage resulting directly or indirectly
from faults, incompleteness or discrepancies between the user
guide and the product described.
More information
For more information please contact the nearest Bosch Security
Systems location or visit www.boschsecurity.com
Disposal - Your Bosch product was developed and
manufactured with high-quality material and components that
can be recycled and reused. This symbol means that
electronic and electrical appliances, which have reached the
end of their working life, must be collected and disposed of
separately from household waste material. Separate collecting
systems are usually in place for disused electronic and
electrical products. Please dispose of these units at an
environmentally compatible recycling facility, per European
Directive 2002/96/EC

Power Supply Installation | en 13
Bosch Security Systems Installation manual AR18-10-B002 | v1.1 | 2011.10
2 Installation
2.1 Tools required
– Small flat blade screwdriver.
– Crosshead screwdriver.
– Wire cutter/stripper tool.
2.2 Opening the side covers
Figure 2.1 Removing side covers
Unscrew the four cross-head screws at each corner and remove
each of the side covers.
2.3 Mount the unit
Figure 2.2 Mounting the unit
Secure the unit to a flat surface using mounting screws (not
supplied) in the four holes (4 mm) shown in the figure.
CAUTION!
Installation should only be performed by qualified service
personnel in accordance with the National Electrical Code or
applicable local codes.
Disconnect the supply power before installing

14 en | Installation Power Supply
AR18-10-B002 | v1.1 | 2011.10 Installation manual Bosch Security Systems
2.4 Connecting the input cable
Figure 2.3 Connecting the input cable
Connect input supply cable as follows:
– Cut back the insulation of the cable wires to approximately
5 mm (0.2 in).
– Pass the input cable through the supplied grommet.
– For each wire, push back the tab behind the terminal with
a small screwdriver and insert the wire (respect the
polarity shown in the figure); release the tab to clamp the
wire in place.
– Secure the grommet firmly.
– Return the protective cover to its position and fasten in
place with the four cross-head screws.
Note:
Tighten screws firmly to ensure protection against water
ingress.
5 mm
(0.2 in)
Input
110-230 VAC
50/60 Hz
Earth In
Neutral In Live In

Power Supply Installation | en 15
Bosch Security Systems Installation manual AR18-10-B002 | v1.1 | 2011.10
2.5 Connecting the output cables
Figure 2.4 Connecting the output cables
Connect the two output cables as follows:
– Cut back the insulation of the cable wires to approximately
5 mm (0.2 in).
– Pass the output cables through the supplied grommets.
– For each wire, push back the tab behind the terminal with
a small screwdriver and insert the wire (respect the
polarity shown in the figure); release the tab to clamp the
wire in place.
– Secure the grommets firmly.
– Return the protective cover to its position and fasten in
place with the four cross-head screws.
Note:
Tighten screws firmly to ensure protection against water
ingress.
5 mm
(0.2 in)

16 en | Technical Data Power Supply
AR18-10-B002 | v1.1 | 2011.10 Installation manual Bosch Security Systems
3 Technical Data
3.1 Specifications
Model PSU-124-DC050
Output
DC voltage 24 VDC
Rated current 2.0 A
Rated power 50 W
Input
Voltage range 100 to 240 VAC
Frequency range 50 to 60 Hz
AC current 0.9 A (115 VAC)
0.2 A (230 VAC)
Construction
Weight 850 g
Material Casing: Aluminum
extrusion;
End-caps: mild steel.
Finish Powder coated paint
RAL 9010 (Pure White)
Cable glands Suitable for cable
diameter 4 to 8 mm
Environment
Water protection IP66
Working temperature -30 to +50°C
(-22 to 122°F)
Working humidity 20 to 95% RH non-
condensing
Storage temperature -40 to +80°C
(-40 to +176°F)
Storage humidity 10 to 95% RH non-
condensing

Power Supply Technical Data | en 17
Bosch Security Systems Installation manual AR18-10-B002 | v1.1 | 2011.10
3.1.1 Dimensions
Figure 3.1 Dimensions
Safety &
EMC
Safety standards EN60950-1UL60950-
1EN60950-22, IP66
Harmonic current Compliance to Class C
(less than 75% load);
EN61000-3-3
EMS immunity Compliance to
EN61000-4-
2,3,4,5,6,8,11;
ENV50204, EN55024,
EN61547, light industry
level (surge 4KV),
criteria A
47 (1.85)
123 (4.84)
mm (in)
81 (3.17)
150 (5.9)
195 (7.68)
101 (3.98) 91 (3.57)

18 en | Technical Data Power Supply
AR18-10-B002 | v1.1 | 2011.10 Installation manual Bosch Security Systems

Bosch Security Systems, Inc.
850 Greenfield Road
Lancaster, PA 17601
USA
www.boschsecurity.com
© Bosch Security Systems, Inc., 2011