Mains Operating Voltage
This instrument has a universal input range and will operate from a nominal 115V or 230V mains
supply without adjustment. Check that the local supply meets the AC Input requirement given in
the Specification.
Mains Lead
When a three core mains lead with bare ends is provided this should be connected as follows:
BROWN
BLUE
GREEN/YELLOW
When fitting a fused plug a 5 amp fuse should be fitted inside the plug. As the colours of the
wires in the mains lead of this apparatus may not correspond with the coloured markings
identifying the terminals in your plug proceed as follows:
The wire which is coloured green-and-yellow must be connected to the terminal in the plug which
is marked by the letter E or by the safety earth symbol shown above or coloured green or green-
and-yellow.
The wire which is coloured blue must be connected to the terminal which is marked with the letter
N or coloured black.
The wire which is coloured brown must be connected to the terminal which is marked with the
letter L or coloured red.
Any interruption of the mains earth conductor inside or outside the instrument will make the
instrument dangerous. Intentional interruption is prohibited.
All connections are made from the front panel.
The load should be connected to the positive (red) and negative (black) terminals marked
OUTPUT.
The terminal marked
-
MAINS LIVE
-
MAINS NEUTRAL
-
EARTH
WARNING! THIS INSTRUMENT MUST BE EARTHED.
is connected to the chassis and safety earth ground.
Installation
Safety Earth Symbol
Connections
7