2 fuses, 3 mains cable and mains connection, 4 switching the instruments on/off – Metrohm 761 SD Compact IC User Manual
Page 37: Fuses, Mains cable and mains connection, Switching the instruments on/off, Figure 13, Setting the mains voltage, Ction 2.11.2, Figure 13 ) mat

2.11 Mains connections
761 SD Compact IC / Instructions for Use 8.
761.1043
29
Figure 13: Setting the
mains voltage
2.11.2 Fuses
One of the two fuses 1 A/slow-blow for 100
…
120 V or 0.5 A/slow-blow
for 220
…
240 V is installed in the fuse holder 16 of the 761 SD Compact
IC as standard.
Ensure that the instrument is never put into operation with fuses of an-
other type; otherwise there is a danger of fire!
For checking or changing fuses, proceed as described in Section
2.11.1.
2.11.3 Mains cable and mains connection
Mains cable
The instrument is supplied with one of three mains cables
•
6.2122.020 with plug SEV 12 (Switzerland,
…
)
•
6.2122.040 with plug CEE(7), VII (Germany,
…
)
•
6.2133.070 with plug NEMA 5-15 (USA,
…
)
which are three-cored and fitted with a plug with an earthing pin. If a dif-
ferent plug has to be fitted, the yellow/green lead (IEC Standard) must
be connected to protective earth (protection class 1).
Any break in the earthing inside or outside the instrument can make it
a hazard!
Mains connection
Plug the mains cable into the mains connection plug 15 of the 761 SD
Compact IC (see Figure 13).
2.11.4 Switching the instruments on/off
The 761 SD Compact IC is switched on and off using the mains switch
14. When the instrument is switched on, the mains pilot lamp 7 lights.
Switch for switching the instrument on
and off:
I = ON
0 = OFF
Mains connection, see Section 2.11.3
220 - 240 V
100 - 120
V
220 - 240
V
100 - 120 V
100 – 120 V
220 – 240 V
14
15
16