Instructions

• Always handle the product carefully. Jolts, impacts or a fall even from a low height
may damage the product.
• The product must only be operated via 230 V/AC 50 Hz mains supply. Never try to
operate the product using another type of voltage, as this will destroy the product.
• Connecting a combination of different loads (inductive and capacitive) at the same
time will cause damage to the product.
• Always comply with the accident prevention regulations for electrical equipment
when using the product in industrial facilities.
• Consult a technician if you are not sure how to use or connect the product.
• Maintenance, modications and repairs must be done by a technician or an
authorized repair centre.
• If you have questions which remain unanswered by these operating instructions,
contact our technical support service or other technical personnel.
Preparations for connection and installation
• The product may only be mounted when the power supply is turned off.
• Turn off the power when removing the corresponding electric circuit fuse or the switch of
the circuit breaker. Protect the product against unauthorised use (e.g. install a danger sign).
Furthermore, turn off the earth leakage circuit breaker in order to disconnect from all the
poles of the mains supply.
• Check the mains connection for absence of voltage using a suitable tester.
Connection and installation
• Pull the round switch out of the enclosure.
• Loosen the nut.
• Remove the complete cover.
• Connect the connecting wires to the screw terminals according to the following schematic.
• Place the product into the ush-mounted socket. It can be xed in place using either the
mounting prongs on the sides or with screws.
When inserting or tightening the product, make sure the connecting wires do not get
damaged.
• If necessary, change the operating mode and the dimming range (see the following section).
• Install the cover, washer, nut, and switch.
Settings
a) Operating mode
The following 2 modes are available:
Trailing-edge phase control (RC trailing), set as default.
Leading-edge phase control (RL leading)
Operating mode Suitable illuminant type
RC trailing
Low-voltage halogen lamps with electronic transformer
All 230 V incandescent lamps
All 230 V halogen lamps
Some LED lamps (see documentation accompanying the lamp)
RL leading
Low-voltage halogen lamps with coil transformer
All 230 V incandescent lamps
All 230 V halogen lamps
Some LED lamps (see documentation accompanying the lamp)
Many LED lamps are not dimmable. This also applies to ballast units of LED lamps.
Only connect LED lamps that are explicitly marked as being dimmable.
Operating Instructions
Universal dimmer 4 - 400 W
Order no. 1528596
Intended use
The product is intended for switching on/off and dimming the following types of light sources:
• 230 V incandescent bulbs and halogen lamps
• Low-voltage halogen lamps with electronic or coil transformers
• Dimmable LED lamps
This product is only to be installed and used indoors in dry conditions.
For safety and approval purposes, you must not rebuild and/or modify this product. Using the
product for purposes other than those described above may damage the product. In addition,
improper use can cause hazards such as short circuits, re and electric shocks. 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 statutory national and European regulations. All company and
product names are trademarks of their respective owners. All rights reserved.
Package contents
• Universal dimmer
• Operating instructions
Up-to-date operating instructions
Download the latest operating instructions at www.conrad.com/downloads or scan the QR code
on this page. Follow the instructions on the website.
Explanation of symbols
The symbol with the lightning in the triangle is used if there is a risk to your health,
e.g. due to an electric shock.
This symbol is used to highlight important information in these operating instructions.
Always read this information carefully.
This symbol indicates special information and advice on how to use the product.
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.
Caution!
The product should only be installed by people with relevant electrical
knowledge and experience!
If the product is not installed properly, you endanger:
• Yourself,
• and the user of the electrical device.
You also risk causing serious damage to property, e.g. due to a re. You must
assume personal responsibility for injuries and damage to property.
Always consult an electrician!
• This product 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 product from extreme temperatures, direct sunlight, strong jolts, high
humidity, moisture, ammable gases, vapours and solvents.
• Do not place the product under any mechanical stress.
• If it is no longer possible to operate the product safely, stop using it and prevent
unauthorized use. Safe operation can no longer be guaranteed if the product:
- is visibly damaged,
- is not functioning properly anymore (ickering light, smoke or burned smell,
audible crackling, discolouration of the product or adjacent surfaces),
- has been stored for extended periods in poor ambient conditions or
- has been subjected to any serious transport-related stress.