Download Print this page

Siemens SENTRON 3WL Reference Manual page 44

Air circuit breakers
Hide thumbs Also See for SENTRON 3WL:

Advertisement

3WL Air Circuit Breakers
3WL Air Circuit Breakers/Non-Automatic Air Circuit Breakers up to 6300 A (AC)
Project planning aids
Size II, up to 3200 A, withdrawable version, 3- and 4-pole
Standard version
Horizontal connection
4)
5)
NSE0_00643b
40
10)
270
350
55
480
382,5
367,5
327
NSE0_00646f
9
3)
14
Ø
10)
27
220
45
42
58
88,5
121,5
140,5
30
30
Ø 13,5
11)
139
138
270
95
460
590
530
400
90
90
90
90
3)
10)
55 45
130
130
130
Rated circuit breaker current
a
A
Up to 2000
10
2500
15
3200/4000
30
44
Siemens · 2009
Optional connection variants
Front connection (single)
62,5
10)
Front connection (double hole)
according to DIN 43673
62,5
13)
2)
12)
7)
8)
9)
6)
——— 4-pole version
2) For guide frame ≤ 690 V, without arc chute cover, arc quenching space facing groun-
ded or non-conductive surfaces.
3) Grooves (4 mm wide, 5 mm deep) for supporting phase barriers in the system.
4) Auxiliary connector with SIGUT screw terminals.
5) Auxiliary connector with spring-loaded connection.
6) Dimension to inside surface of the closed cabinet door.
7) SENTRON 3WL in connected position.
8) SENTRON 3WL in test position.
9) SENTRON 3WL in disconnected position.
10) Fixing holes, diameter 10 mm.
11) Terminal face.
12) Guide frame upper edge – only 1000 V AC version.
13) Arc quenching space, 1000 V circuit breaker facing grounded or non-conductive
surfaces.
10)
b
c
10
10
15
20
30
20
1 3 , 5
6
c
169,5
6
3 )
c
169,5
For safety clearances to grounded parts and to live parts see
page 38.
For vertical connection and flange connection see following
page.
5 3 0
4 0 0
9 0
9 0
9 0
9 0
4 0
4 0
3 )
4 5 , 1
5 5
1 3 0
1 3 0
1 3 0
5 3 0
4 0 0
9 0
9 0
9 0
9 0
4 0
4 0
1 1 )
5 5
4 5
1 3 0
1 3 0
1 3 0
1 1 )

Advertisement

loading