Electric air circuit breakers protection for hospital , shopping mall , bank

20/10

20/10

30/12

30/12

45/20

45/20

Making breaking capacity

100

1000

1600

1600

2500

3200

12

12

17

17

30

30

mechanical life (loop operation times)

10000

10000

10000

10000

5500

5500

electric life (loop operation times)

rated voltage Ue=660V