Main range of productMasterpact NW product or component typeBasic frame device short nameMasterpact NW12 1000V circuit breaker nameMasterpact NW12HA10 poles description3P network typeAC breaking capacity codeH10 suitability for isolationYes conforming to IEC 60947-2 utilisation categoryCategory B Complementary network frequency50/60 Hz control typePush-button mounting modeDrawout [In] rated current1250 A ( 40 °C ) [Ui] rated insulation voltage1250 V AC 50/60 Hz conforming to IEC 60947-2 [Uimp] rated impulse withstand voltage12 kV conforming to IEC 60947-2 [Icm] rated short-circuit making capacity105 kA 1150 V AC 50/60 Hz [Ue] rated operational voltage1150 V AC 50/60 Hz conforming to IEC 60947-2 breaking capacity50 kA Icu at 1150 V AC 50/60 Hz conforming to IEC 60947-2 [Ics] rated service breaking capacityIcs 50 kA 1150 V AC 50/60 Hz conforming to IEC 60947-2 protection typeWithout protection mechanical durability12500 cycles without maintenance conforming to IEC 60947-225000 cycles with maintenance conforming to IEC 60947-2 electrical durability500 cycles 1150 V AC 50/60 Hz without maintenance conforming to IEC 60947-2 connection pitch115 mm [Icw] rated short-time withstand current50 kA ( 1 s ) conforming to IEC 60947-250 kA ( 3 s ) conforming to IEC 60947-2 maximum breaking time25 ms closing response time< 70 ms height439 mm width441 mm depth394.5 mm Environment standardsIEC 60947-2 product certificationsASEFAASTA pollution degree3 conforming to IEC 60664-1 ambient air temperature for operation-25...70 °C ambient air temperature for storage-40...85 °C Contractual warranty Warranty period18 months
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