Main range of productSM6 device short nameQM 375 product or component typeFuse-switch width375 mm technology typeAir insulated switchgear internal arc protection12.5 kA 1 s network typeAC network frequency50 Hz [Ur] Rated voltage24 kV [Ir] Rated current200 A [Ik] Short time withstand current20 kA 1 s [Ud] Insulation voltage power frequency28 kV 50 Hz 1 min [Up] Insulation voltage lightning impulse withstand125 kV peak VPIS18...24 kV cable connection1 x 95 mm² per phase Complementary colour codeRAL 9003 bus rated current630 A type of operatorCI1 manual protection typeFuse [Uc] control circuit voltage230 V DC opening coil Environment product weight120 kg depth940 mm standardsIEC 62271-100 ambient air temperature for operation-5...40 °C ambient air temperature for storage-40...70 °C IP degree of protectionIP3x vibration resistance0.5 gn horizontal class 20.4 gn vertical class 2 operating altitude<= 1000 m
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