Auxiliary Switch; Electrical Design; Cross-Sections - Siemens 3NJ6 Series Instructions Manual

Auxiliary switch

3NJ6912..

Electrical design

Cross-sections

16
Equipment for the main circuit
a b
Fig 2: Electical design
a Module for fuses of sizes NH 00, 1, 2 and 3
b 3NJ61.0 -.E..1-OBBO
Switch disconnector with fuse element with independent manually operated snap-action
mechanism for DIN fuses; in sizes NH 00, 1, 2 and 3
c 3NJ61.0 -.M..1-OBBO- as b, but with breaking on both sides of the fuses
d Switch disconnector with independent manually operated snap-action mechanism
The following table contains the possible cross-sections for connection with cable lugs and
cable terminals:
Device
size
Screw size
00 M8
1 M12
2 M12
3 M12
c
Cable lug
Torque [Nm]
15
30
30
30
Auxiliary switch terminals of the
plug-on in line-type fuse switches
are located
in the right-hand rear area for the
switching device and are accessi-
ble from the cable connection
department (see Fig.). Auxiliaries
are connected with flat-pin plug
6,3 x 0,8 mm.
d
Cable terminal
Cable terminal Torque [Nm]
SE/SM Kabel
1 X 10 to 95
1 X 95 to 240
or
2 X 10 to 95
2 X 95 to 240
2 X 95 to 240
3ZX1012-0NJ61-2AN1
15
25
15
25
25