Siemens SENTRON 3WA1 - Breaking Capacity

Technical specifications
6.3 Technical specifications of 3WA circuit breakers
3WA1 air circuit breaker
Equipment Manual, 02/2023, 92310000002-06
491
6.3.2.2 Breaking capacity
3WA11
AC
N
S
M
E
Rated short-circuit breaking capacity I
cu
/ I
cs
U
e
≤ 415 V
kA
55 / 55
66 / 66
85 / 85
--
U
e
≤ 500 V
kA
55 / 55
66 / 66
85 / 85
--
U
e
≤ 690 V
kA
42 / 42
50 / 50
66 / 66
85 / 85
U
e
≤ 1000 V
kA
--
--
--
50 / 50
Rated short-circuit making capacity I
cm
U
e
≤ 415 V
kA
121
145
187
--
U
e
≤ 500 V
kA
121
145
187
--
U
e
≤ 690 V
kA
88
105
145
187
U
e
≤ 1000 V
kA
--
--
--
105
Rated short-time withstand current I
cw
U
e
≤ 500 V
0.5 s
kA
55
66
85
--
1 s
kA
50
66
85
--
2 s
kA
35
1)
/ 45
2)
45
70
--
3 s
kA
30
1)
/ 35
2)
35
60
--
U
e
≤ 690 V
0.5 s
kA
42
50
66
85
1 s
kA
42
50
66
85
2 s
kA
35
1)
/
42
2)
45
66
70
3 s
kA
30
1)
/
35
2)
35
60
60
U
e
≤ 1000 V
0.5 s
kA
--
--
--
50
1 s
kA
--
--
--
50
2 s
kA
--
--
--
50
3 s
kA
--
--
--
50
1)
I
nmax
≤ 1250 A
2)
I
nmax
≥ 1600 A
Rated conditional short-circuit current I
cc
of the non-automatic circuit breakers
U
e
≤ 500 V
kA
55
66
85
--
U
e
≤ 690 V
kA
42
50
66
85
U
e
≤ 1000 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
--
≤ 690 V
kA
--
--
--
50
1000 V
kA
--
--
--
--