Category Archives: ABB Circuit Breakers

Load Bread Switches – A History by Manufacturer

Westinghouse and Cutler-Hammer WLI Load Break Switches Westinghouse began manufacturing load break switches in 1950, with 5KV-15KV being the most popular sizes. The earliest switches were non-load break types, and were called Westinghouse LBF switches, while the next generation of … Continue reading

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