Siemens SENTRON 3WL10 - Page 146

Application planning
4.1 Types of installation and installation locations
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
144 Manual, 10/2018, L1V30499596002-01
Rated opera-
tional current
I
n
[A]
Min. cop-
per cross
section
[mm
2
]
Ambient temperature
< 40 °C
45 °C
50 °C
55 °C
60 °C
65 °C
70 °C
800 500
800
800
800
800
800
750
700
100% 100% 100% 100% 100% 94% 88%
1000 600
1000
1000
1000
971
942
885
827
100%
100%
100%
97%
94%
88%
83%
1250
Bars
2x40x10
800
1250
1250
1250
1184
1118
1049
980
100% 100% 100% 95% 89% 84% 78%
1250
Bars
2x50x10
1000
1250
1250
1250
1240
1182
1122
1057
100% 100% 100% 99% 95% 90% 85%
1600
Bars
2x50x10
1000
1400
1350
1296
1240
1183
1122
1058
88% 84% 81% 78% 74% 70% 66%
1600
Bars
3x50x10
*)
1500
1600
1541
1481
1417
1352
1281
1209
100% 96% 93% 89% 85% 80% 76%
*) Socket head cap screw DIN 7984 – M10x50 – 8.8 required
Withdrawable
for
● Rear vertical main circuit connection
● Rear connection bars for CuAl cables using cable lug
Rated opera-
tional current
I
n
[A]
Min. cop-
per cross
section
[mm
2
]
Ambient temperature
< 40 °C
45 °C
50 °C
55 °C
60 °C
65 °C
70 °C
800 500
800
800
800
800
800
759
716
100%
100%
100%
100%
100%
95%
89%
1000 600
1000
1000
1000
1000
953
905
853
100%
100%
100%
100%
95%
90%
85%
1250 800 1250 1250 1250 1250 1192 1131 1066
100%
100%
100%
100%
95%
90%
85%
1600 1000
1600
1600
1537
1470
1403
1329
1255
100%
100%
96%
92%
88%
83%
78%