Data Sheet

Electrical endurance (switching cycles) / at AC-1 / at
380/415 V 50/60 Hz
6000
Electrical endurance (switching cycles) / at AC-1 / at
690 V 50/60 Hz
3000
Electrical endurance (switching cycles) / at 480 V / at
50/60 Hz
6000
Electrical endurance (switching cycles) / at 600 V / at
50/60 Hz
7500
Neutral conductors / upgradeable/retrofittable Yes
Ground fault monitoring version Without
Product function
● communication function
Yes
● other measurement function
Yes
Current
Marking / acc. to UL 489 / 100%-rated breaker No
Max. rated operational current of the frame size 250A
Rated continuous current Iu 250A
Operating current
● at 40 °C
250A
● at 45 °C
250A
● at 50 °C
250A
● at 55 °C
250A
● at 60 °C
250A
● at 65 °C
245A
● at 70 °C
277A
Switching capacity according to IEC 60947
Switching capacity class of the circuit breaker C
Maximum short-circuit current breaking capacity (Icu)
● at 240 V
150kA
● at 415 V
110kA
● at 690 V
3kA
Operational short-circuit current breaking capacity
(Ics)
● at 240 V
150kA
● at 415 V
110kA
● at 690 V
3kA
Short-circuit current making capacity (Icm)
● at 240 V
330kA
● at 415 V
242kA
● at 690 V
4.5kA
Switching capacity according to UL 489
Breaking capacity current
3VA6225-7KT31-0AA0 Subject to change without notice
Page 2/
8
09/14/2019 © Copyright Siemens