Purpose
Specifications
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 |
1 In the Circuit-breaker designation: ВВ-БЭМН-10-ХХ/ХХХХУ3: ХХ — rated interrupted current, кА; ХХХХ — rated current, А.