With ever-growing loads and decreasing reserve margins, the demands on transmission systems have never been greater. Transformer protection and capacitor bank switches are becoming even more important to protect valuable equipment and provide voltage support. S&C offers an array of products and services to address these challenges — from Circuit-Switchers to complete transmission system design and construction.

Series 2000 Circuit-Switcher

Circuit-Switchers provide reliable and economical switching and protection of transformers, lines, cables, capacitor banks, and reactors through 230 kV.

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Mark V Circuit-Switcher

Circuit-Switchers provide reliable and economical switching and protection of transformers, lines, cables, capacitor banks, and reactors through 230 kV.

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Trans-Rupter II^® Transformer Protector

Trans-Rupter II® Transformer Protectors are specially designed for primary-side protection of distribution substation transformers, 69 kV through 138 kV.

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Mark VI Circuit-Switcher

Circuit-Switchers provide reliable and economical switching and protection of transformers, lines, cables, capacitor banks, and reactors through 138 kV.

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Circuit-Isolator II™ Disconnect

Circuit-Isolator II Disconnect provides a robust, reliable isolating disconnect for use in distribution substations or transmission lines through 138 kV. Manual or power-operated disconnects are available.

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Line-Rupter^™

Line-Rupters consist of in-series circuit-breaking interrupters and circuit-making and isolating disconnects, especially suited for line and cable switching; specifically load splitting (parallel or loop switching), load dropping, and line and cable dropping.

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