6,10, 35kV BB-EL series vacuum switches
BB-EL-12 type vacuum switches of average voltage switchgears are designed for the reception and distribution of three-phase AC 50Hz, with rated operating voltage 7.2 to 12 kV in power distribution networks.
Outdoor vacuum circuit breakers, type BB-EL-35, are designed for switching electrical circuits in normal and emergency modes in three-phase AC networks with a voltage of 35 kV.
BB-EL-12 vacuum switches are awailable in the following values:
| steady type | sliding type |
| 630А, 1250А - 20кА - 25кА 630А, 1250А, 1600А - 31,5кА | 630А , 1250А - 20кА - 25кА 630А , 1250А , 1600А , 2000А, 2500А - 31,5кА 2000А , 2500А , 3150А, 4000А - 40кА |
The BB-EL vacuum switch complies to IEC standards: IEC 62271-100 (AC high voltage automatic switches)
and IEC 60694 (Switchgear and HV control devices. General technical requirements included in the standards).
Outdoor vacuum circuit breakers, type BB-EL-35, are designed for switching electrical circuits in normal and emergency modes in three-phase AC networks with a voltage of 35 kV.
| Outdoor vacuum circuit breaker BB-EL-35
| Indoor vacuum circuit breaker BB-EL-12
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| Rear view BB-EL-12
| BB-EL-12 appearance without bezel
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| BB-EL-12 in KCO-393-17B cell | Withdrawable vacuum circuit breaker BB-EL-12 for switchgear cubicles
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| Vacuum circuit breakers in KCO-393 cubicles
| Vacuum circuit breaker in ЯКНO-6У1
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