Siemens SENTRON 3WA1 - Breaking Capacity for AC

Technical specifications
6.3 Technical specifications of 3WA circuit breakers
3WA1 air circuit breaker
496 Equipment Manual, 02/2023, 92310000002-06
6.3.3.2 Breaking capacity for AC
3WA12
AC
S
M
H
C
E
Rated short-circuit breaking capacity I
cu
/ I
cs
U
e
≤ 415 V
kA
66 / 66
85 / 85
100 / 100
130 / 130
--
U
e
≤ 500 V
kA
66 / 66
85 / 85
100 / 100
130 / 130
--
U
e
≤ 690 V
kA
50 / 50
66 / 66
85 / 85
100 / 100
85 / 85
U
e
≤ 1000 V
kA
--
--
--
--
85 / 85
U
e
≤ 1150 V
kA
--
--
--
--
50 / 50
Rated short-circuit making capacity I
cm
U
e
≤ 415 V
kA
145
187
220
286
--
U
e
≤ 500 V
kA
145
187
220
286
--
U
e
≤ 690 V
kA
105
145
187
220
187
U
e
≤ 1000 V
kA
--
--
--
--
187
U
e
≤ 1150 V
kA
--
--
--
--
105
Rated short-time withstand current I
cw
U
e
≤ 500 V
0.5 s
kA
66
85
100
100
--
1 s
kA
66
85
85
100
--
2 s
kA
66
66
1)
/ 85
2)
66
1)
/ 85
2)
85
--
3 s
kA
55
1)
/ 66
2)
55
1)
/ 75
2)
55
1)
/ 75
2)
75
--
U
e
≤ 690 V
0.5 s
kA
50
66
85
100
85
1 s
kA
50
66
85
100
85
2 s
kA
50
66
66
1)
/ 85
2)
85
66
1)
/ 85
2)
3 s
kA
50
55
1)
/ 66
2)
55
1)
/ 75
2)
75
55
1)
/ 75
2)
U
e
≤ 1000 V
0.5 s
kA
--
--
--
--
85
1 s
kA
--
--
--
--
85
2 s
kA
--
--
--
--
66
1)
/ 85
2)
3 s
kA
--
--
--
--
55
1)
/ 75
2)
U
e
≤ 1150 V
0.5 s
kA
--
--
--
--
50
1 s
kA
--
--
--
--
50
2 s
kA
--
--
--
--
50
3 s
kA
--
--
--
--
50
1)
I
nmax
≤ 2500 A
2)
I
nmax
≥ 3200 A
Rated conditional short-circuit current I
cc
of the non-automatic circuit breakers
U
e
≤ 500 V
kA
66
85
100
--
U
e
≤ 690 V
kA
50
66
85
100
85
U
e
≤ 1000 V
kA
--
--
--
--
85
U
e
≤ 1150 V
kA
--
--
--
--
50
Single-pole short-circuit breaking capacity I
IT
acc. to IEC 60947-2 Annex H (IT network capability)
≤ 500 V
kA
50
50
50
50
--
≤ 690 V
kA
--
--
--
--
50
1000 V
kA
--
--
--
--
--