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Technical Specifications - Siemens SENTRON 3WL Reference Manual

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)
General data

Technical specifications

Size
Type
Switching capacity class
Short-circuit breaking capacity
Rated operational voltage U
e
up to 415 V AC
I
cu
I
cs
I
cm
Rated operational voltage U
e
up to 500 V AC
I
cu
I
cs
I
cm
Rated operational voltage U
e
up to 690 V AC
I
cu
I
cs
I
cm
Rated operational voltage U
e
up to 1000 V/1150 V AC
I
cu
I
cs
I
cm
Rated short-time withstand current
3)
of the circuit breakers
0.5 s
1 s
2 s
3 s
Short-circuit breaking capacity
of the non-automatic air circuit breakers
Up to 500 V AC
Up to 690 V AC
Circuit breakers with ECO switching capacity N
N
(I
= I
up to 55 kA size I/up to 66 kA size II at 500 V)
cu
cs
Circuit breakers with standard switching capacity S
S
(I
= I
up to 66 kA size I/up to 80 kA size II at 500 V)
cu
cs
Circuit breakers with high switching capacity H
H
(I
= I
up to 100 kA at 500 V)
cu
cs
Circuit breakers with very high switching capacity C
C
(I
= I
up to 150 kA (3-pole)/130 kA (4-pole)
cu
cs
at 500 V)
Circuit breakers with DC switching capacity
DC
These circuit breakers are indicated in the Technical
specifications by orange-colored backgrounds.
26
Siemens · 2009
I
3WL11
N
S
N
S
kA
55
66
kA
55
66
kA
121
145
kA
55
66
kA
55
66
kA
121
145
kA
42
50
kA
42
50
kA
88
105
kA
--
--
kA
--
--
kA
--
--
I
cw
kA
50
66
kA
42
50
kA
29.5
35
kA
24
29
I
cc
kA
50
66
kA
42
50
II
3WL12
N
S
H
N
S
66
80
100
66
80
100
145
176
220
66
80
100
66
80
100
145
176
220
50
75
85
50
75
85
105
165
187
--
--
45
--
--
45
--
--
95
66
80
100
55
66
80
1)
2)
39
46
65
/70
1)
2)
32
37
50
/65
66
80
100
50
75
85
≤ 2500 A.
1) Size II with I
n max
2) Size II with I
= 3200 A and I
n max
3) At a rated voltage of 690 V the I
greater than the I
or I
value at 690 V.
cu
cs
4) Rated operational voltage U
e
III
3WL13
H
C
C
H
H
C
3-pole
4-pole
100
150
130
100
150
130
220
330
286
100
150
130
100
150
130
220
330
286
85
150
130
85
150
130
187
330
286
4)
4)
50
70
70
4)
4)
50
70
70
4)
4)
105
154
154
100
100
100
100
100
100
80
80
80
65
65
65
100
100
100
85
100
100
= 4000 A.
n max
value of the circuit breaker cannot be
cw
= 1150 V.
C

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