protection devices - Legrand
Protection devices must be provided to limit and break the short-circuit currents before their thermal (heating of the conductors, electric arcs) and mechanical (electrodynamic forces) effects become harmful and dangerous Protection against short- circuits can be provided by …
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12 - home | Legrand
www.legrand.beType of insulation of the conductor PvC Thermoplastic Thermoplastic 90°C EPR xLPE Thermosetting Rubber 60°C Thermosetting mineral Conductor cross-sect. mm2 < 300 > 300 Initial temperature °C 7090 60 105 Final temperature °C 160 140 160 140 250 200 160 250 k values Copper conductor 115 103 100 86 143 141 115 135 -115 Aluminium conductor 76 ...
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