We offer dead tank circuit breakers for applications from 72.5 kV to 550 kV with a service life of up to 50 years. Our DT circuit breakers deliver the greatest possible reliability – even in extreme environmental conditions across the globe.
Features & advantages
• Toroidal-core current transformers on bushings (compact construction)
• High short-circuit breaking currents possible (up to 90 kA with one interrupter unit)
• Low center of gravity of the bases leads to higher seismic withstand capability up to 0.5 g
• Available with porcelain or composite insulators
• Suitable for temperatures from -60 to 55°C with mixed gas solutions or various heating systems
• Suitable for altitudes of up to 1,000 meters
• Gas leakage rate of less than 0.1 % per year
• Inspection after 12 and maintenance after 25 years
• 10,000 switching operations are guaranteed
• Product life time of up to 50 years
• Easy installation and commissioning: only few assemblies
• Installation, commissioning, maintenance, training and technical advice from a single source
• Guaranteed availability of spare parts for all Siemens Energy circuit breakers for a minimum of 25 years after delivery