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Siemens SENTRON 3WL Reference Manual page 39

Air circuit breakers
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3WL Air Circuit Breakers/Non-Automatic Air Circuit Breakers up to 6300 A (AC)
Size I, up to 1600 A, fixed-mounted version, 3- and 4-pole
Standard version
Horizontal connection
4)
5)
NSE0_00611a
270
15
300
10
390
1) 2)
14)
9)
60,5
8)
33,5
3)
5,5
45
6)
NSE0_00614e
150
106
210
230
127
90
90
90
60
55
Ø 13,5
11)
7)
3)
7)
Ø M 8
139
58
320
410
NSE00620
3)
60
90
90
90
——— 4-pole version
1) Mounting space for removal of the arc chutes.
2) Arc quenching space.
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.
8) "Secure OFF" locking device.
3WL Air Circuit Breakers
Optional connection variants
Front connection (single)
4 7
6
c
8 2
Front connection (double hole)
according to DIN 43673
4 7
6
c
8 2
Vertical connection
3 5
1 1 )
1 1 3 , 5
1 3 , 5
1 2 8 , 5
9) Key operation.
11) Terminal face.
14) Space for electrical auxiliary circuit connections.
Rated
a
circuit breaker
current
A
Up to 1000
10
1250 ... 1600
15
For safety clearances to grounded parts and to live parts see
page 38.
Project planning aids
55
55
55
55
13,5
Æ
3)
11)
60 90
90
90
Ø 13,5
55
55
55
55
3)
11)
60
90
90
90
b
NSE00619
3)
60
90
90
90
b
c
d
e
10
10
11
451
15
15
6
461
Siemens · 2009
f
g
34
541
39
551
39

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