1. Introduction
To all residents of the European Union
Important environmental information about this product
This symbol on the device or the package indicates that disposal of the device after its lifecycle could harm the environment. Do
not dispose of the unit (or batteries) as unsorted municipal waste; it should be taken to a specialized company for recycling. This
device should be returned to your distributor or to a local recycling service. Respect the local environmental rules.
If in doubt, contact your local waste disposal authorities.
The PS2122LE is a very accurate, DC regulated power supply with a selectable output voltage: 3V, 4.5V, 6V, 7.5V, 9V, 12V. The rated
output current is 1.5A and the peak-to-peak current is 2A.
2. Description of the Front and Rear Panels
1. Power switch
2. Power indicator
3. Output (+) terminal
4. Output (-) terminal
5. Dial
6. Power cord
7. Fuse
3. Use (see figure)
Select the output voltage with the dial (5). Connect the positive input terminal of your device with the PS2122LE's output (+) terminal (3) and
connect the negative input terminal with the PS2122LE's output (-) terminal (4).
Plug the power cord into a 220V AC outlet. Press the POWER switch to activate the device: the power indicator (2) will light. The 220V AC
input is protected by a fuse (7) located at the back. A blown fuse must be replaced with an identical one!
4. Attention
• The PS2122LE only uses 220V AC / 50Hz as a source voltage.
• Unplug the device before you open the case or replace the fuse.
• Do not turn the dial (5) while the device is in use.
5. Wiring Diagram
Use this device with original accessories only. Velleman nv cannot be held responsible in the event of damage or injury resulted
from (incorrect) use of this device. For more info concerning this product, please visit our website www.hqpower.com. The
information in this manual is subject to change without prior notice.
© COPYRIGHT NOTICE
This manual is copyrighted. The copyright to this manual is owned by Velleman nv. All worldwide rights reserved. No part of this manual
may be copied, reproduced, translated or reduced to any electronic medium or otherwise without the prior written consent of the copyright
holder.
PS2122LE_v2
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VELLEMAN