In-Line Switch-Disconnectors With Fuses (3Nj62 / Sasil Plus); Withdrawable Design - Siemens Sivacon S8 Planning Information

4.2 In-line switch-disconnectors
with fuses (3NJ62 / SASIL plus)
For the cubicle in universal mounting design, an adapter is
available that allows the installation of in-line switch-dis-
connectors with fuses. This adapter is mounted at the
bottom of the cubicle. It occupies 600 mm in the cubicle's
device compartment. An installation height of 500 mm is
Tab. 4/6: Cubicle characteristics for in-line switch-disconnectors
Application range
Form of internal separation
Degree of protection
Cubicle dimensions
4.3

Withdrawable design

If fast replacement of functional units is required in order to
prevent downtimes, the withdrawable design offers a safe
and flexible solution. Regardless of whether small or nor-
mal withdrawable units are used, the size is optimally
Tab. 4/7: General cubicle characteristics for the withdrawable design
Application range
Form of internal separation
Design options
Design variants for feeders
(see Fig. 4/5)
1)
Also form 4b type 7 in acc. with BS EN 61439-2 possible
2)
Withdrawable unit variants SFD and HFD can be mixed within one cubicle
Fig. 4/5: Design variants of the withdrawable units in standard feature design (SFD; left) and high feature design (HFD; right)
38 SIVACON S8 Planning Principles – Universal mounting design
- Incoming feeders up to 630 A
- Outgoing cable feeders up to 630 A
- Form 3b, 4b
- Up to IP41
- Width (front connection in cubicle)
- Incoming feeders up to 630 A
- Outgoing cable feeders up to 630 A
- Outgoing motor feeders up to 630 A
- Form 3b, 4b
- Withdrawable unit in compartment
- Reserve compartment
- Empty compartment, device compartment
2)
- Standard feature design (SFD)
- High feature design (HFD)
available for the installation of in-line switch-disconnectors.
The basic cubicle characteristics are stated in Tab. 4/6.
Further information about in-line switch-disconnectors with
fuses can be found in Chapter Chapter 5.
adapted for the required performance. The patented with-
drawable unit contact system has been designed to be
user-friendly and wear-resistant. Tab. 4/7 lists typical cubi-
cle characteristics of the withdrawable design.
1)
Ventilated
1,000, 1,200 mm
Compartment door,
compartment cover