Main range of productMasterpact NW product or component typeBasic frame device short nameMasterpact NW25 circuit breaker nameMasterpact NW25H3 poles description4P neutral positionLeft network typeAC breaking capacity codeH3 suitability for isolationYes conforming to IEC 60947-2 utilisation categoryCategory B Complementary network frequency50/60 Hz control typePush-button mounting modeDrawout [In] rated current2500 A ( 40 °C ) [Ui] rated insulation voltage1000 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 capacity220 kA 690 V AC 50/60 Hz286 kA 525 V AC 50/60 Hz [Ue] rated operational voltage690 V AC 50/60 Hz conforming to IEC 60947-2 circuit breaker CT rating2500 A breaking capacity100 kA Icu at 690 V AC 50/60 Hz conforming to IEC 60947-2150 kA Icu at 220...240 V AC 50/60 Hz conforming to IEC 60947-2150 kA Icu at 380...415 V AC 50/60 Hz conforming to IEC 60947-2130 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2150 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2 [Ics] rated service breaking capacityIcs 100 kA 690 V AC 50/60 Hz conforming to IEC 60947-2Ics 130 kA 525 V AC 50/60 Hz conforming to IEC 60947-2 protection typeWithout protection mechanical durability10000 cycles without maintenance conforming to IEC 60947-220000 cycles with maintenance conforming to IEC 60947-2 electrical durability1250 cycles 440 V AC 50/60 Hz without maintenance conforming to IEC 60947-21250 cycles 690 V AC 50/60 Hz without maintenance conforming to IEC 60947-2 connection pitch115 mm [Icw] rated short-time withstand current65 kA ( 1 s ) conforming to IEC 60947-265 kA ( 3 s ) conforming to IEC 60947-2 integral instant protection135...165 kA maximum breaking time25 ms closing response time< 70 ms height439 mm width556 mm depth394.5 mm Environment standardsIEC 60947-2 product certificationsASTAASEFA pollution degree4 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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