Main range of productMasterpact NW product or component typeBasic frame device short nameMasterpact NW08 circuit breaker nameMasterpact NW08L1 poles description4P neutral positionLeft network typeAC breaking capacity codeL1 suitability for isolationYes conforming to IEC 60947-2 utilisation categoryCategory B Complementary network frequency50/60 Hz control typePush-button mounting modeDrawout [In] rated current800 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 capacity220 kA 690 V AC at 50/60 Hz286 kA 525 V AC at 50/60 Hz [Ue] rated operational voltage690 V AC 50/60 Hz conforming to IEC 60947-2 circuit breaker CT rating800 A breaking capacity150 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 60947-2100 kA Icu at 690 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 capacity100 kA at 690 V AC 50/60 Hz conforming to IEC 60947-2130 kA at 525 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 durability3000 cycles 690 V AC 50/60 Hz without maintenance conforming to IEC 60947-23000 cycles 440 V AC 50/60 Hz without maintenance conforming to IEC 60947-2 connection pitch115 mm [Icw] rated short-time withstand current30 kA 1 s conforming to IEC 60947-230 kA 3 s conforming to IEC 60947-2 integral instant protection72…88 kA maximum breaking time10 ms maximum closing response time70 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 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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