Rated opera‐
tional cur‐
rent 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
1000 600 1000 1000 1000 971 942 885 827
100% 100% 100% 97% 94% 88% 83%
1250 800 1250 1250 1250 1184 1118 1049 980
100% 100% 100% 95% 89% 84% 78%
1600 1000 1600 1541 1481 1417 1352 1281 1209
100% 96% 93% 89% 85% 80% 76%
for
• Nut keeper kit
Rated opera‐
tional cur‐
rent 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 cur‐
rent 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%
Application planning
4.1Types of installation and installation locations
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Equipment Manual, 10/2023, L1V30499596002-03 135