186 / 582
BETA Protecting
Low-Voltage Fuse Systems
3
NA, 3ND LV HRC fuse links
3/36
Siemens ET B1 · 10/2008
3
*
You can order this quantity or a multiple thereof.
■
Overview
LV HRC fuses are used for installation systems in non-residential,
commercial and industrial buildings, as well as in the switch-
boards of power supply companies. They therefore protect es-
sential building parts and installations.
LV HRC fuses are fuse systems designed for operation by skilled
personnel. There are no constructional requirements for non-inter-
changeability of rated current and touch protection.
The components and auxiliary equipment are designed in such
a way as to ensure the safe replacement of LV HRC fuses or
isolation of systems.
LV HRC fuse links are available in the sizes 000, 00, 0, 1, 2, 3, 4
and 4a.
LV HRC fuse links are available in the following operational
classes:
•
gG for cable and line protection
•
aM for the short-circuit protection of switching devices in
motor circuits
•
gR or aR for the protection of power semiconductors
•
gS: The new gS operational class combines cable and line
protection with semiconductor protection.
LV HRC fuse links of size 000 can also be used in
LV HRC fuse bases, LV HRC fuse switch disconnectors,
LV HRC fuse strips as well as in LV HRC in-line fuse switch
disconnectors of size 00.
The fuse links 300 A, 355 A and 425 A comply with the standard
but do not have the VDE mark.
LV HRC components:
$
LV HRC fuse base from the SR60 busbar system
%
LV HRC fuse base for busbar mounting
&
LV HRC fuse base, 3P
(
LV HRC fuse base, 1P
)
LV HRC contact cover
*
LV HRC fuse link
+
LV HRC signal detector
,
LV HRC partition
-
LV HRC protective cover
LV HRC fuse bases with swivel mechanism
.
-
For screw fixing on mounting plate
/
-
For screw fixing on busbar system
0
-
For claw fixing on busbar
1
LV HRC protective cover for LV HRC fuse bases with swivel
mechanism
2
LV HRC swivel mechanism
3
LV HRC fuse base cover
4
LV HRC isolating link with insulated grip lugs
5
LV HRC isolating link with non-insulated grip lugs
6
LV HRC fuse puller with sleeve
7
LV HRC fuse puller
I2_13743
1
2
3
4
5
6
15
16
17
18
19
10
11
12
14
13
9
8
7
© Siemens AG 2008