circuit breaker Compact NS1250H - Micrologic 5.0 A - 1250 A - 4 poles 4tShow more characteristics >
Main rangeCompact range of productNS630b...1600 product or component typeCircuit breaker device short nameCompact NS1250H device applicationDistribution poles description4P protected poles description4t neutral positionLeft network typeAC breaking capacity codeH suitability for isolationYes conforming to IEC 60947-2 utilisation categoryCategory B trip unit nameMicrologic 5.0 A trip unit technologyElectronic trip unit rating1250 A ( 50 °C ) Complementary network frequency50/60 Hz control typeToggleRotary handle mounting modeFixed mounting supportBackplate upside connectionFront downside connectionFront (In) rated current up to 65 °C1250 A ( 50 °C ) [Ui] rated insulation voltage800 V AC 50/60 Hz conforming to IEC 60947-2 [Uimp] rated impulse withstand voltage8 kV conforming to IEC 60947-2 [Ue] rated operational voltage690 V AC 50/60 Hz conforming to IEC 60947-2 circuit breaker CT rating1250 A breaking capacity65 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-270 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-285 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-242 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-250 kA Icu at 500/525 V AC 50/60 Hz conforming to IEC 60947-2 [Ics] rated service breaking capacityIcs 52 kA 380/415 V AC 50/60 Hz conforming to IEC 60947-2Ics 31 kA 660/690 V AC 50/60 Hz conforming to IEC 60947-2Ics 37 kA 500/525 V AC 50/60 Hz conforming to IEC 60947-2Ics 48 kA 440 V AC 50/60 Hz conforming to IEC 60947-2Ics 52 kA 220/240 V AC 50/60 Hz conforming to IEC 60947-2 auxiliary contact composition1 NO/NC mechanical durability10000 cycles electrical durability2000 cycles IEC 60947-2 690 V In AC 50/60 Hz3000 cycles IEC 60947-2 690 V In/2 AC 50/60 Hz4000 cycles IEC 60947-2 440 V In AC 50/60 Hz5000 cycles IEC 60947-2 440 V In/2 AC 50/60 Hz local signallingPositive contact indication [Icw] rated short-time withstand current19.2 kA neutral protection settingIr trip unit protection functionsLSI protection typeInstantaneous short-circuit protectionOverload protection (long time)Short time short-circuit protection long time pick-up adjustment type IrAdjustable long time pick-up adjustment range0.4...1 x In long time delay adjustment typeAdjustable 9 settings [tr] long-time delay adjustment range0.5...24 s 6 x Ir0.7...16.6 s 7.2 x Ir12.5...600 s 1.5 x Ir thermal memory20 mn short-time pick-up adjustment type IsdAdjustable 9 settings [Isd] short-time pick-up adjustment range1.5...10 x Ir short-time delay adjustment typeAdjustable [tsd] short-time delay adjustment range0.02...0.5 s [tsd] short-time delay adjustment range0.1...0.4 s I²t=on0...0.4 s I²t=off instantaneous pick-up adjustment type IiAdjustable instantaneous pick-up adjustment rangeOff2...15 x In integrated instantaneous protection40 kA zone selective interlocking ZSIWith display typeLCD display type of measurementAmmeter height327 mm width280 mm depth147 mm Environment standardsIEC 60947-2 product certificationsASTAASEFA power losses44 W IP degree of protectionIP40 conforming to IEC 60529 IK degree of protectionIK07 conforming to EN 50102 pollution degree3 conforming to IEC 60947 ambient air temperature for operation-25...70 °C ambient air temperature for storage-50...85 °C Contractual warranty Warranty period18 months
Documents and DownloadsLanguage
CatalogueSizeAdd to My DocumentsUser guideSizeAdd to My DocumentsCADSizeAdd to My DocumentsFront-connected circuit breaker Compact NS630b to NS1600 4P; fixed manually operated (Version 1.0)Instruction sheetSizeAdd to My Documents
No results found.Unfortunately, related FAQs are unavailable due to temporary technical issues. Please try again later.