Siemens SENTRON 3WA1 - Page 285

Accessories
4.5 Accessories for main connections
3WA1 air circuit breaker
Equipment Manual, 02/2023, 92310000002-06
283
Overview of possible connection methods for fixed-mounted circuit breakers
3WA1 circuit breakers / non-automatic circuit breakers - size 1
Short-
circuit
breaking
capacity
I
cu
= I
cs
Rated short-
circuit
breaking
capacity
class
I
n
[A]
Vertical Horizontal Front vertical on
top /
horizontal at
the bottom
horizontal
on top /
vertical at
the bottom
55 kA @
500 V AC
N
630
✓
✓
✓
✓
✓
800
✓
✓
✓
✓
✓
1000
✓
✓
✓
✓
✓
1250
✓
✓
✓
✓
✓
1600
✓
✓
✓
✓
✓
2000
✓
✓
✓
✓
✓
2500
✓
✓
--
✓
✓
66 kA @
500 V AC
S
630
✓
✓
✓
✓
✓
800
✓
✓
✓
✓
✓
1000
✓
✓
✓
✓
✓
1250
✓
✓
✓
✓
✓
1600
✓
✓
✓
✓
✓
2000
✓
✓
✓
✓
✓
2500
✓
✓
--
✓
✓
85 kA @
500 V AC
M
630
✓
✓
✓
✓
✓
800
✓
✓
✓
✓
✓
1000
✓
✓
✓
✓
✓
1250
✓
✓
✓
✓
✓
1600
✓
✓
✓
✓
✓
2000
✓
✓
✓
✓
✓
2500
✓
✓
--
✓
✓
85 kA @
690 V AC
50 kA @
1000 V AC
E
630
✓
✓
✓
✓
✓
800
✓
✓
✓
✓
✓
1000
✓
✓
✓
✓
✓
1250
✓
✓
✓
✓
✓
1600
✓
✓
✓
✓
✓
2000
✓
✓
✓
✓
✓
2500
✓
✓
--
✓
✓