Siemens SENTRON 3WL Reference Manual page 54

3WL Air Circuit Breakers
3WL Non-Automatic Air Circuit Breakers up to 4000 A (DC)
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
16) 17)
1) 2)
12)
15)
14)
3)
5,5
45
NSE0_02003
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
4000 30 30 20
54 Siemens · 2009
Optional connection variants
Front connection (single)
6
10
c
Front connection (double hole)
according to DIN 43673
6
6)
c
Vertical connection
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.
14) Space for electrical auxiliary circuit connections.
15) Arc quenching space, 300 V circuit breaker facing grounded or non-conductive
surfaces.
16) Arc quenching space, 600 V circuit breaker facing grounded or non-conductive
surfaces.
17) Arc quenching space, 1000 V circuit breaker (with high arc chute) facing grounded or
non-conductive surfaces.
d e f g
11 451 34 541
6 461 39 551
4 7
3)
8 2
4 7
3)
8 2
3)
35
113,5
11)
128,5
For safety clearances to grounded parts and to live parts see
page 38.
90 90 90 90
40 40
13,5
90 130 130 130
90 90 90 90
40
40
11)
90 130 130 130 13,5
b
NSE00641
90 130 130 130
11)