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58
PM320E
7.2 Exchange Mains Fuses
The two power input fuses are externally accessible. If they have opened due to line distortions,
incorrect line voltage or other causes, they can be replaced from the rear without opening the
unit.
Attention
To avoid risk of fire the appropriate fuses for the corresponding line voltage must be used.
1. Turn off the PM320E and disconnect the mains cable.
2. The fuse holder (see figure in section
) is located below the 3-pole
power connector of the mains jack. Release the fuse holder by pressing its plastic retainers
with the aid of a small screwdriver. The retainers are located on the right and left side of the
holder and must be pressed towards the center.
3. Replace the defective or wrong fuses and press in the fuse holder until locked on both sides.
Take care to maintain the correct rotation of the line voltage indicator / switch which contains
the left fuse and is plugged into the fuse holder. The appropriate line voltage marking must
be visible in the window of the fuse holder.
Fuse types
100 V
1000 mA, time-lag, 250V
T1A250V
115 V
1000 mA, time-lag, 250V
T1A250V
230 V
500 mA, time-lag, 250V
T0.5A250V
All fuses must meet IEC specification 60127-2/III, time characteristic: time-lag (T), 250V AC,
size 5 x 20 mm.
Содержание PM320E
Страница 1: ...Thorlabs Instrumentation Optical Power and Energy Meter PM320E Operation Manual 2016...
Страница 2: ...Copyright 2016 Thorlabs GmbH Version Date Item No 2 1 10 Mar 2016 M0009 510 618...
Страница 5: ...67 8 6 Thorlabs End of Life Policy 68 8 7 Thorlabs Worldwide Contacts...
Страница 13: ...2016 Thorlabs GmbH 2 Getting Started 11 Display Energy Statistics CH2 Display Energy Histogram CH1...