Main range of productMasterpact NW product or component typeBasic frame device short nameMasterpact NW12 circuit breaker nameMasterpact NW12H2 poles description3P network typeAC breaking capacity codeH2 suitability for isolationYes conforming to IEC 60947-2 utilisation categoryCategory B Complementary network frequency50/60 Hz control typePush-button mounting modeFixed [In] rated current1250 A at 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 capacity187 kA 525 V AC at 50/60 Hz187 kA 690 V AC at 50/60 Hz [Ue] rated operational voltage690 V AC 50/60 Hz conforming to IEC 60947-2 circuit breaker CT rating1250 A breaking capacity85 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-285 kA Icu at 690 V AC 50/60 Hz conforming to IEC 60947-2100 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2100 kA Icu at 220...240 V AC 50/60 Hz conforming to IEC 60947-2100 kA Icu at 380...415 V AC 50/60 Hz conforming to IEC 60947-2 [Ics] rated service breaking capacity85 kA at 525 V AC 50/60 Hz conforming to IEC 60947-285 kA at 690 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 durability10000 cycles 440 V AC 50/60 Hz without maintenance conforming to IEC 60947-210000 cycles 690 V AC 50/60 Hz without maintenance conforming to IEC 60947-2AC-23A: 10000 cycles 440 V AC 50/60 Hz without maintenance conforming to IEC 60947-2AC-23A: 10000 cycles 690 V AC 50/60 Hz without maintenance conforming to IEC 60947-2AC-3: 6000 cycles 440/690 V AC 50/60 Hz without maintenance conforming to IEC 60947-2 connection pitch115 mm [Icw] rated short-time withstand current50 kA 3 s conforming to IEC 60947-285 kA 1 s conforming to IEC 60947-2 integral instant protection171…209 kA maximum breaking time25 ms maximum closing response time70 ms height352 mm width422 mm depth297 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 Offer Sustainability Sustainable offer statusGreen Premium product REACh Regulation EU RoHS DirectiveCompliant
EU RoHS Declaration
Mercury freeYes RoHS exemption information China RoHS RegulationChina RoHS declaration
Product out of China RoHS scope. Substance declaration for your information
Environmental Disclosure Circularity Profile WEEEThe product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins Contractual warranty Warranty18 months
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