8 MB - POWERLAB

InstallationrecommendationsDerating in switchboards 0Masterpact NW20-40 N/H/L (switchboard 2300 x 800 x 900)Type NW20 H1/H2/H3 NW20 L1 NW25 H1/2/3 NW32 H1/2/3 NW40 H1/2/3Switchboard composition4321Connection typeBusbar dimensions (mm) 3b. 100 x 5 3b. 100 x 5 4b. 100 x 5 3b. 100 x 10 4b. 100 x 10Ventilated switchboard (➨ IP31) 43 2000 1830T a = 35 °C 2 2000 2000 2000 2000 2000 2000 2375 2500 3040 3200 3320 370014T a = 45 °C3 2000 17502 2000 2000 2000 1810 1960 1920 2250 2380 2880 3100 3160 350014T a = 55 °C3 2000 16402 2000 2000 2000 1700 1850 1800 2100 2250 2690 2900 2960 32801DB101490Non ventilated switchboard(➨ IP54)43 2000 1750Ta = 35 °C 2 2000 2000 2000 1800 1900 1890 2125 2275 2650 2850 3040 332014T a = 45 °C3 1900 16602 1900 1960 1960 1680 1810 1800 2000 2150 2550 2700 2880 312014Ta = 55 °C3 1780 15502 1800 1920 1920 1590 1700 1700 1900 2020 2370 2530 2720 29601DB101491Note: the values indicated in these tables have been extrapolated from test data and theoreticalcalculations. These tables are only intended as a guide and cannot replace industrial experienceor a temperature rise test.116