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dead tank circuit breakers in operation in over 37 countries
We deliver 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. The interrupter unit in this technology is located in a grounded metal-enclosed housing.
Our 3AP dead tank breaker family is available for applications from 72.5 kV up to 550 kV and for short-circuit interruption up to 90 kA. 3AP1DT circuit breakers up to 362 kV are equipped with one interrupter unit per pole. 3AP1DT circuit breakers up to 362 kV are equipped with one interrupter unit per pole.
3AP2DT circuit breakers for applications up to 550 kV include two interrupter units. We provide dead tank circuit breakers with 2-cycle operation for applications up to 362 kV. The circuit breakers can be equipped with optional closing resistors for applications from 362 kV to 550 kV (3AP3). Several current transformer solutions are at your disposal which can be realized according to your specific project requirements.
Our high-voltage dead tank circuit breakers are available for three-pole operation with a common base (FG), for single-pole operation also with a common base (FE) or for single-pole operation with separate bases (FI).
Downloads, support and services
You can find details on our dead tank circuit breakers and information about our services here.
Our dead tank circuit breakers for applications from 72.5 kV to 550 kV are especially stable and suitable for use in all climate zones. We can gladly provide information about the benefits of our dead tank circuit breakers.