86
SVGm
Instruction Manual
Note:
When checking the fans in the “
master
” device, the slave device fans will be activated automat-
ically.
10�8�- MAINTENACE OF SURGE PROTECTIVE DECIVES: SVGm-3WF-xxxC-690 AND SVGm-4WF-
xxxC-550
The device has removable surge protective that are accessible from the front. They feature a green
indicator to signal the correct operation of the protective.
Protectores de sobretensión
Surge voltage protection
Figure 89: Surge voltage protection�
These devices are protected by
NH00
fuses.
The purpose of these devices is to protect against transient overvoltage that may appear in the power
supply, mainly due to weather disturbances.
At least once a year, and after adverse weather events (storms, lightning strikes, etc.), the indicator
must be verified to be green.
If it needs replacing, the indicator will change to red. In this case, the condition of the associated pro-
tective fuse must also be checked. The
NH00
fuses include a status indicator that is visible when the
front cover is removed.
If any work has to be done inside the connection area, the device must be discon-
nected from the power supply.
It is important to always replace surge protection and fuses with devices of the same type
Table 41: Description Surge protection and Fuses�
Description
Surge voltage protection
Cirprotec PSC-12,5/400
Fuse
NH00 100A gG/gL 80kA 690V~
The surge protection are of the “plug-in cartridge” type, and can be removed by simply pulling from the
outside, without using any tools. To replace the fuses, the
NH
fuse puller must be used.
Содержание SVGm-3WF-100C-480
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