Siemens, Berlin, Germany
Siemens manufacturered over 136,000 circuit breakers delivered to 150 countries with over 100 years of operational experience.
An ultra-high voltage circuit breaker, rated 1100 kV, 63 kA, 50 Hz.
Siemens successfully tested their ultra-hig voltage circuit breaker for short-time current withstand ability and capacitive current switching.
KEMA Type Test Certificate of complete type tests.
KEMA Laboratories, Arnhem, the Netherlands