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Conmutador de polos, 2 velocidades (Dahlander), 2-1-0-1-2, GN20, 25A, modelo U 48x48, 4,8 x 4,8 x 4,8 centímetros, color negro (Referencia: GN2520U) : Amazon.es: Industria, empresas y ciencia
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Why does the Dual Speed Dahlander motor need a bridge in the fast speed configuration? - Electrical Engineering Stack Exchange
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