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Siemens SENTRON 3WL Reference Manual page 42

Air circuit breakers
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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 4000 A, fixed-mounted version, 3- and 4-pole
Standard version
Horizontal connection
4)
5)
NSE0_00633a
85
270
440
570
13)
1)
2)
12)
14)
3)
5,5
NSE0_00636e
45
150
210
106
230
127
130
130
130
30
30
13,5
3)
Ø
7)
139
128
460
590
NSE00642
3)
90
130
130
130
Rated circuit
a
b
c
breaker
current
A
Up to 2000
10
10
10
2500
15
15
20
3200/4000
30
30
20
For safety clearances to grounded parts and to live parts see
page 38.
For flange connections see following page.
42
Siemens · 2009
Optional connection variants
Front connection (single)
6
10
Front connection (double hole)
according to DIN 43673
6
6)
c
Vertical connection, up to 3200 A
11)
7)
9
Ø
NSE00640b
——— 4-pole version
1) Mounting space for removal of the arc chutes.
2) Arc quenching space, "≤ 690 V" circuit breaker facing grounded 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) Fixing points for mounting the circuit breaker in the system.
11) Terminal face.
12) Circuit breaker upper edge, only 1000 V circuit breaker.
13) Arc quenching space, 1000 V circuit breaker facing grounded or non-conductive
surfaces.
14) Space for electrical auxiliary circuit connections.
d
e
f
g
11
451
34
541
6
461
39
551
6
461
39
551
4 7
c
8 2
4 7
8 2
3)
35
113,5
11)
128,5
90
90
90
90
40
40
3)
13,5
90
130
130
130
90
90
90
90
40
40
3)
11)
90 130
130
130
13,5
b
NSE00641
90
130
130
130
11)

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