Main rangeCompact product nameCompact NSX product or component typeCircuit breaker device short nameCompact NSX400N device applicationDistribution poles description3P protected poles description3t network typeAC network frequency50/60 Hz [In] rated current400 A ( 40 °C ) [Ui] rated insulation voltage800 V AC 50/60 Hz [Uimp] rated impulse withstand voltage8 kV [Ue] rated operational voltage690 V AC 50/60 Hz breaking capacity codeN (50 kA) AC breaking capacity10 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-222 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-285 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-230 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-242 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-250 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-220 kA at 600 V AC 50/60 Hz conforming to UL 50850 kA at 480 V AC 50/60 Hz conforming to UL 50885 kA at 240 V AC 50/60 Hz conforming to UL 508 [Ics] rated service breaking capacityIcs 10 kA 660/690 V AC 50/60 Hz conforming to IEC 60947-2Ics 11 kA 525 V AC 50/60 Hz conforming to IEC 60947-2Ics 30 kA 500 V AC 50/60 Hz conforming to IEC 60947-2Ics 42 kA 440 V AC 50/60 Hz conforming to IEC 60947-2Ics 50 kA 380/415 V AC 50/60 Hz conforming to IEC 60947-2Ics 85 kA 220/240 V AC 50/60 Hz conforming to IEC 60947-2 suitability for isolationYes conforming to EN 60947-2Yes conforming to IEC 60947-2 utilisation categoryCategory A trip unit nameMicrologic 2.3 trip unit technologyElectronic trip unit protection functionsLSoI trip unit rating400 A ( 40 °C ) protection typeInstantaneous short-circuit protectionOverload protection (long time)Short time short-circuit protection pollution degree3 conforming to IEC 60664-1 Complementary control typeToggle mounting modeFixed mounting supportBackplate upside connectionFront downside connectionFront auxiliary contact compositionWithout mechanical durability15000 cycles electrical durability12000 cycles 440 V In/2 conforming to IEC 60947-23000 cycles 690 V In conforming to IEC 60947-26000 cycles 440 V In conforming to IEC 60947-26000 cycles 690 V In/2 conforming to IEC 60947-2 connection pitch45 mm local signallingLED 105 % IrLED 90 % IrLED ready long time pick-up adjustment type IrAdjustable 9 settings long time pick-up adjustment range0.9...1 x Io long time delay adjustment typeFixed [tr] long-time delay adjustment range16 s 6 x Ir thermal memory20 minutes before and after tripping short-time pick-up adjustment type IsdAdjustable 9 settings [Isd] short-time pick-up adjustment range1.5...10 x Ir short-time delay adjustment typeFixed instantaneous pick-up adjustment type IiFixed instantaneous pick-up adjustment range4800 A height255 mm width140 mm depth110 mm product weight6.05 kg Environment overvoltage categoryClass II electrical shock protection classClass II standardsEN/IEC 60947UL 508 product certificationsCCCMarineEAC IP degree of protectionIP40 conforming to IEC 60529 IK degree of protectionIK07 conforming to IEC 62262 ambient air temperature for operation-35...70 °C ambient air temperature for storage-55...85 °C Offer Sustainability Sustainable offer statusGreen Premium product RoHS (date code: YYWW) REACh Product environmental profile Product end of life instructions Contractual warranty Warranty period18 months 18 months
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User guideSizeAdd to My DocumentsCADSizeAdd to My Documents3P NSX400-630; Compact circuit breaker3P NSX400-630; Compact circuit breakerNSX400/630 3P; Compact circuit breaker
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