6
NEMIC-LAMBDA
SWS
50
⋅
75
⋅
100
⋅
150
Series
INSTRUCTION MANUAL
7. External Fuse Rating
Refer to the following fuse rating when selecting the exter-
nal fuses that are to be used on input line. Surge current
flows when line turns on. Use slow-blow fuse or time-lag
fuse. Do not use fast-blow fuse. Fuse rating is specified by
in-rush current value at line turn-on. Do not select the fuse
according to input current (rms.) values under the actual
load condition.
SWS50, SWS100 : 3.15A
SWS75, SWS150 : 5A
8. Before concluding that the unit is at fault…
Before concluding that the unit is at fault, make the follow-
ing checks.
Check if the rated input voltage is connected.
Check if the wiring of input and output is correct.
Check if the wire material is not too thin.
Check if the output voltage control (V.ADJ) is properly
adjusted.
Check if the output current and output wattage dose not
over specification.
Audible noise can be heard during Dynamic-Load
operation.
Audible noise can be heard when input voltage wave-
form is not sinusoidal wave.
9. Notes
1) Overvoltage Category II
2) Radio Interference Suppression Test is not per-
formed.
