Main range of productCompact NS100...630 product or component typeCircuit breaker device short nameCompact NS400N circuit breaker nameCompact NS400N device applicationDistribution poles description3P protected poles description3t network typeAC network frequency50/60 Hz [In] rated current370 A at 65 °C400 A at 40 °C [Ui] rated insulation voltage1250 V AC 50/60 Hz conforming to IEC 60947-2 [Uimp] rated impulse withstand voltage8 kV conforming to IEC 60947-2 [Ue] rated operational voltage1000 V AC 50/60 Hz conforming to IEC 60947-21150 V 50/60 Hz breaking capacity codeN breaking capacity10 kA Icu at 1000 V conforming to IEC 60947-2 [Ics] rated service breaking capacity10 kA at 1000 V conforming to IEC 60947-2 suitability for isolationYes conforming to IEC 60947-2 utilisation categoryCategory A trip unit nameSTR23SP trip unit technologyElectronic trip unit rating400 A protection typeShort time short-circuit protectionInstantaneous short-circuit protectionOverload protection (long time) pollution degree3 conforming to IEC 60947 Complementary control typeToggle mounting modeFixed mounting supportBackplate upside connectionFront downside connectionFront circuit breaker CT rating150 A mechanical durability15000 cycles electrical durability2000 cycles 1000 V AC 50/60 Hz In conforming to IEC 60947-24000 cycles 1000 V AC 50/60 Hz In/2 conforming to IEC 60947-2 connection pitch45 mm local signallingPositive contact indication long time pick-up adjustment type IrAdjustable 48 settings long time pick-up adjustment range0.4...1 x In long time delay adjustment typeFixed [tr] long-time delay adjustment range90…180 s 1.5 x Ir short-time pick-up adjustment type IsdAdjustable 8 settings [Isd] short-time pick-up adjustment range2...9 x Ir short-time delay adjustment typeFixed [tsd] short-time delay adjustment range0.04…0.06 s instantaneous pick-up adjustment type IiFixed instantaneous pick-up adjustment range>= 9 x In display typeLED current sensor rating range250 A150 A400 A height140 mm width480 mm depth110 mm Environment standardsIEC 60947-2 product certificationsLCIEASEFAKEMAASTA IP degree of protectionIP40 conforming to IEC 60529 IK degree of protectionIK07 conforming to EN 50102 ambient air temperature for operation-25…70 °C ambient air temperature for storage-50…85 °C Offer Sustainability EU RoHS DirectivePro-active compliance (Product out of EU RoHS legal scope)
EU RoHS Declaration
Environmental Disclosure Contractual warranty Warranty18 months
EU RoHS DeclarationFormatSizeAdd to My Documents
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