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 han-
dling in this manual, we assume
no liability for any resulting per-
sonal injury or damage to prop-
erty. Such cases will invalidate
the warranty/guarantee.
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 dan-
gerous playing material for children.
• Protect the appliance from extreme tem-
peratures, direct sunlight, strong jolts,
high humidity, moisture, flammable gases,
steam and solvents.
• Do not place the product under any me-
chanical stress.
• 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
poor ambient conditions or
- has been subjected to any serious trans-
port-related stresses.
• 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 ap-
pliance.
•
Maintenance, modifications and repairs
must only be completed by a technician or
an authorised repair centre.
• If you have questions which remain un-
answered by these operating instructions,
contact our technical support service or
other technical personnel.
• For installations in industrial facilities, fol-
low the accident prevention regulations for
electrical systems and equipment of the
government safety organization or the cor-
responding authority for your country.
• In schools and educational institutions,
hobby and do-it-yourself workshops, the
use of the laboratory power supply must
be supervised by trained staff.
a) Connected devices
• Also observe the safety and operating in-
structions of any other devices which are
connected to the product.
b) Electrical
• The product is built according to protection
class I. It must be powered by a standard
earthed mains socket.
• The mains socket that you use to connect
the power cable must be easily accessible.
• Before connecting the product, make sure
that the mains voltage in your region meets
the specifications on the name plate. Only
connect the product to the mains socket
when it is switched off.
• Do not pull the mains plug from the mains
socket by pulling on the cable.
• Never connect or disconnect mains plug
with wet hands.
• Do not touch the mains cable or the product
if there are any signs of damage, as this
may cause a fatal electric shock!
• If the mains cable is damaged, it must be
replaced by a new mains cable with the
same specifications. Stop using the dam
-
aged mains cable and dispose of it in an
environmentally friendly manner. Do not
attempt to repair the damaged mains cable.
• Never use the product immediately after
it has been brought from a cold room into
a warm one. This may generate conden-
sation, which can cause the product to
malfunction or damage the interior com-
ponents. Moisture on the product, mains
cable may also cause a fatal electric shock!
• Never work on live electrical components
or parts. Always disconnect these compo-
nents from the power supply beforehand.
•
CAUTION!
If liquid does enter the product, switch off
the mains voltage to the socket contain-
ing the mains plug (switch off at the cor-
responding circuit breaker or remove the
safety fuse and then switch off at the cor-
responding RCD protective switch). You
can then unplug the power cable from the
mains socket.
Discontinue use immediately and take
the product to a specialist repair shop, or
dispose of it in an environmentally friendly
manner.
c) Product
• When using the device, do not carry any
conductive metal objects or jewelry such
as chains, bracelets, rings, etc.
• Never leave the product unattended dur-
ing use.
• Shield all connected units from malfunction
and from excess voltage.
• Connecting several devices in series may
cause dangerous voltage which can pose
a risk of fatal injury.
• The product generates heat during opera-
tion. Do not obstruct the ventilation in any
way. The power supply is cooled by an air
outlet. Do not cover!
• Do not use the product as a charger.
• The product is not approved for use on
persons or animals.
• Opening any covers on the product or re-
moving parts – unless this is possible by
hand – may expose voltage-carrying com-
ponents. This poses the risk of fatal injury
due to electric shock!
• Disconnect the product from the power
outlet before opening it.
• Capacitors located in the product may still
be charged even when the device is un-
plugged.
d) Fuse
• A defective fuse must be replaced with a
new fuse with the same specifications (see
“Replacing the fuse”). Do not repair or
bridge a defective fuse. Risk of fire or fatal
electric shock!
Operating Instructions
BT-3020 Laboratory Power Supply
Item No. 2347563
Intended use
This power supply operates as a constant voltage (C.V.) or constant current (C.V.) supply.
Automatic crossover to either mode of operation occurs when the load condition changes.
It is intended for indoor use only. Do not use it outdoors. Contact with moisture must be avoided
under all circumstances.
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.
Delivery content
• Laboratory power supply
• 2x terminal caps
• 2x terminal lugs
• Mains cable
• Operating instructions
Up-to-date operating instructions
Download the latest operating instructions at www.conrad.com/downloads or
scan the QR code shown. 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.
The symbol with the exclamation mark in the triangle is used to indicate important
information in these operating instructions. Always read this information carefully.
The arrow symbol indicates special information and advice on operation.
The product is intended for use only in indoor dry spaces, it may not become moist
or wet.
Ground potential
Protective ground wire connection; do not loosen this screw.
