Parameter

Circuit-breaker type1

ВВ-БЭМН-М-10-20/ХХХХУ3

ВВ-БЭМН-М-10-25/ХХХХУ3

ВВ-БЭМН-М-10-31.5/ХХХХУ3

Rated voltage, kV

10

10

10

Highest working voltage, kV

12

12

12

One-minute test voltage with frequency 50 Hz, kV

42

42

42

Rated current (ХХХХ), A

800; 1250; 1600

800; 1250; 1600

800; 1250; 1600

Rated interrupted current, kA

20

25

31,5

Opening time:

•     1st electric magnet (Y1), ms, not exceeding

•     2nd electric magnet (Y2), ms, not exceeding

60

45

60

45

60

45

Closing time, ms, not exceeding

60

60

60

Rated voltage of electric motor spring windup, V

= 220 or ~230

= 220 or ~230

= 220 or ~230

Circuit-breaker arrangement

•    Stationary

•    Pull-out:

- with a pull-out trolley

- with a pull-out trolley and contact system

Circuit-breaker weight, kg

57,5/77

57,5/77

57,5/77

Circuit-breaker service life, years

25

25

25