ABB - Model HECS Series - Generator Circuit Breaker
From Generator Circuit Breakers (GCB)
The wide range of ratings with short circuit current from 80 to 130 kA and rated current of up to 23,000 A makes HECS the most used GCB in the world for generators up to 800 MW. The complete range of HECS is naturally cooled and its reliability is proven by over 2,000 installations worldwide since 2003. It has the lowest lifecycle cost with up to 20,000 CO no-load operations or 20 years between main overhauls. With smaller and standardized dimensions, HECS is easy to install and highly suitable for replacements and retrofits.
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The 3-phase system includes circuit-breaker, disco...
The 3-phase system includes circuit-breaker, disconnector, capacitors and control cubicle, and offers wide selection of additional components such as earthing and starting switches, current and voltage transformers, and surge arresters. It is delivered fully assembled to minimize the installation and commissioning time on site.
Characteristics
- Metal enclosed GCB system
- Indoor or outdoor installation
- Delivered fully assembled and tested
Advantages
- Compact, integrated system solution
- Natural cooling up to 23 000 a
- Maintenance after 20 years (or 20 000 close-open operations)
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