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Busbars anddistribution 12 PowEr guidE 2009 / Book 121 INTROIn accordance with its policy of continuous improvement, the Company reserves the right to change specifications and designs without notice. All illustrations, descriptions, dimensions and weights in this catalogue are for guidance and cannot be held binding on the and control of operating circuits are the basic functions of a distribution panel. But upstream there is another function, possibly more discreet, but just as essential: more than for the protection and control functions, the selection and setup of distribution equipment require an approach that combines selection of products (number of outputs, cross-sections, conductor types, connection method) and checking the operating conditions (current-carrying capacity, short circuits, isolation, etc.) in multiple configurations.

temperature < 50°C). Currents according to standard iEC 60947-1 The current-carrying capacity in n bars is less than n times the current-carrying capacity in one bar. Use n = 1.6 to 1.8 for a group of 2 bars, n = 2.2 to 2.4 for 3 bars and n = 2.7 to 2.9 for 4 bars.

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