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Dead-tank circuit breaker 3AP1 DTC series
air-insulatedsingle-polehigh-voltage

dead-tank circuit breaker
dead-tank circuit breaker
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Characteristics

Type
air-insulated, dead-tank
Electrical characteristics
single-pole, high-voltage, high-speed
Operating mode
modular
Other characteristics
compact
Current

Min.: 0 A

Max.: 4,000 A

VAC

145 kV, 245 kV

Description

The dead tank compact (DTC) circuit breaker for 145 kV and 245 kV applications is a compact arrangement of several functions needed in a substation. The hybrid concept combines SF6-encapsulated components and air-insulated components. It is possible to arrange the components in a variety of ways depending on your substation configuration. Flexible solutions according to your substation configuration •Circuit breaker with single- or three-pole operating mechanism •Disconnector, earthing switch, high-speed earthing switch •Current transformer, voltage transformer and voltage detection system •Cable connections possible at various positions •Bushings available as porcelain or composite insulators •Additional separation of gas compartment, with SF6 density monitor on request •Double breaker modules for ultra-compact substation designs •Possibility for stand-alone components, e.g. disconnector module with voltage transformer Advantages: •Flexibility in confined spaces and extreme environmental conditions, e.g. low-temperature applications •Gas-insulated components ensure the highest availability at minimum maintenance effort •Optimized investments according to the requirements of your individual substation layout •Gas-insulated components ensure increased availability and safety •Minimum design work required for various applications thanks to predefined modules Based on our modular design, the core components are adopted from our high-voltage circuit breakers, disconnectors and the GIS product family. Our dead tank compact circuit breakers have a three-pole operating mechanism with a common base, or single-pole operating mechanism on separate bases.

Catalogs

Other Siemens High-voltage – Power transmission products

High-voltage – Power transmission | Transmission Products

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.