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The starting point
In a sewing workshop in Paris, a 40 A circuit on the electrical board had to be upgraded to 63 A.
Project · Emergency repairs
A 40 A circuit upgraded to 63 A: a cable of suitable cross-section and a new 63 A residual current switch.
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In a sewing workshop in Paris, a 40 A circuit on the electrical board had to be upgraded to 63 A.
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Supply isolated, cable replaced with a cross-section suited to 63 A, 40 A residual current switch replaced with a 63 A one, connected, then put back into service.
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A 63 A circuit, with cable and protection sized accordingly, and the board closed and back in service.
In a Paris sewing workshop, a 40 A circuit on the electrical board had to be upgraded to 63 A.
Changing the device alone is not enough: the cable must be sized for the current it carries. After isolating the supply, we therefore replaced the cable with one of suitable cross-section, then replaced the 40 A residual current switch with a 63 A model. Once connected, the board was closed and put back into service.
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Contact
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