Siemens SENTRON 3WA1 - Page 525

Integration in power distribution equipment
7.3 Derating in the power distribution equipment
3WA1 air circuit breaker
Equipment Manual, 02/2023, 92310000002-06
523
Withdrawable, IP31/IP41 - ventilated
Control panel dimensions H x W x D [mm]: 2200 x 800 x 800
Rated
current
Conductor cross-
section
Number
of 3WAs
Max. operational current at ambient temperature
20 °C
25 °C
30 °C
35 °C
40 °C
45 °C
50 °C
2000 A
3 x 50 mm x 10 mm
1
2000 A
2000 A
1970 A
1920 A
1870 A
1810 A
1760 A
2
1960 A
1910 A
1870 A
1820 A
1770 A
1720 A
1670 A
2500 A
2 x 100 mm x
10 mm
1
2500 A
2440 A
2380 A
2320 A
2260 A
2190 A
2130 A
2
2380 A
2330 A
2270 A
2230 A
2150 A
2090 A
2030 A
3200 A
3 x 100 mm x
10 mm
1
3140 A
3070 A
3000 A
2920 A
2840 A
2760 A
2680 A
2
2880 A
2820 A
2750 A
2670 A
2610 A
2540 A
2460 A
4000 A
4 x 120 mm x
10 mm
1
3860 A
3790 A
3720 A
3650 A
3590 A
3520 A
3450 A
Note
When the 3WA12 circuit breaker is used in the range I
n
≤ 1250
A, no derating needs to be
considered.
Withdrawable, IP55
Control panel dimensions H x W x D [mm]: 2200 x 800 x 800
Rated
current
Conductor cross-
section
Number
of 3WAs
Max. operational current at ambient temperature
20 °C
25 °C
30 °C
35 °C
40 °C
45 °C
50 °C
2000 A
3 x 50 mm x 10 mm
1
1750 A
1710 A
1670 A
1630 A
1580 A
1540 A
1490 A
2
1670 A
1630 A
1590 A
1550 A
1510 A
1460 A
1420 A
2500 A
2 x 100 mm x
10 mm
1
2100 A
2050 A
2000 A
1950 A
1900 A
1840 A
1790 A
2
2050 A
1990 A
1920 A
1880 A
1790 A
1720 A
1650 A
3200 A
3 x 100 mm x
10 mm
1
2660 A
2600 A
2530 A
2470 A
2400 A
2340 A
2270 A
2
2300 A
2250 A
2200 A
2140 A
2080 A
2020 A
1960 A
4000 A
4 x 120 mm x
10 mm
1
3440 A
3370 A
3300 A
3230 A
3160 A
3090 A
3020 A
Note
When the 3WA12 circuit breaker is used in the range I
n
≤ 1250
A, no derating needs to be
considered.