Siemens SENTRON 3WA1 - Minimum Cross-Sections of Main Conductors for DC; Size 3; Basic Data

Technical specifications
6.3 Technical specifications of 3WA circuit breakers
3WA1 air circuit breaker
502 Equipment Manual, 02/2023, 92310000002-06
6.3.3.9 Minimum cross-sections of main conductors for DC
3WA12
DC
1000 A
2000 A
4000 A
Minimum cross-sections of main conductors
Copper bars, bare or painted black
1 x 50 x 10 mm
2 x 50 x 10 mm
On the infeed and
outgoing sides:
3 x 100 x 10 mm
For jumpers:
6 x 250 x 5 mm
6.3.4 Size 3
6.3.4.1 Basic data
3WA13
AC
Fixed-mounted
Withdrawable
Key electrical data
Rated operational voltage U
e
V
≤ 1150 at 50/60 Hz
≤ 1150 at 50/60 Hz
Rated insulation voltage U
i
V
≤ 1150
≤ 1150
Rated current
A
4000 … 6300
4000 … 6300
Size
3
3
Weight
Circuit
breaker
3-pole /
4-pole
4000 A
kg
82 / 99
88 / 106
5000 A
kg
82 / 99
88 / 106
6300 A
kg
90 / 108
96 / 108
Guide
frame
3-pole /
4-pole
4000 A
kg
--
60 / 84
5000 A
kg
--
60 / 84
6300 A
kg
--
70 / 119
You will find basic data that are identical for all sizes in Chapter Basic data for sizes 1 to
3 (Page 489).