PS2122LE VELLEMAN
1
PS2122LE – REGULATED DESKTOP POWER SUPPLY
1. Introduction
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
