Figure 3-32: Auxiliary Switch At Side; Table 3-24: Possible Auxiliary Switch Combinations (Frame Size S0/S2); Table 3-25: Possible Auxiliary Switch Combinations (Frame Size S3) - Siemens sirius System Manual

Auxiliary switches at
side (S0 to S3)
Maximum number of
auxiliary switches
SIRIUS System Manual
GWA 4NEB 430 0999-02b
The auxiliary switches are hooked onto the left or right side of the contactor
and snapped onto it. They are removed again by pressing the ribbed sur-
faces.
1
2
1
2

Figure 3-32: Auxiliary switch at side

Note
When you use two 2-pole, auxiliary switches at the side, you must attach an
auxiliary switch block on the left and right in the interests of symmetry.
The following table shows you the maximum number of auxiliary switches and their
combination options:
Frame size S0 and S2 (3RT102./3RT103.)
1 auxiliary 4 auxiliary
contact contact
element elements
Max. 4 0
Max. 2 0
0 1
0 0

Table 3-24: Possible auxiliary switch combinations (frame size S0/S2)

(3RT104./3RT14)
Frame size S3
1 auxiliary 4 auxiliary
contact contact
element elements
4 0
0 1
0 0

Table 3-25: Possible auxiliary switch combinations (frame size S3)

A maximum of 4 auxiliary contacts can
2 auxiliary
contact
be attached, and you can use any type
elements
of auxiliary switch. When you use two
2-pole, auxiliary switch blocks at the
side, you must attach a block on the
left and right in the interests of sym-
metry. In some situations, it is permis-
0
sible to have more auxiliary contacts
1
in frame size S2 (for more details,
please contact Technical Assistance).
0
1+1
2 auxiliary A maximum of 8 auxiliary contacts can
contact
be attached. Please note the follow-
elements
ing:
Of these 8 auxiliary contacts, a maxi-
mum of four can be NC contacts.
Symmetry must be preserved in the
case of auxiliary switch blocks
1+1
attached at the side.
1+1
2+2
3RT1/3RH1 contactors
1
2
1
3-55