Main rangeCompact product nameCompact NSX product or component typeCircuit breaker device short nameCompact NSX250B device applicationDistribution poles description3P protected poles description2t network typeAC network frequency50/60 Hz [In] rated current250 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 codeB (25 kA) AC breaking capacity25 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-215 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-220 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-240 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 [Ics] rated service breaking capacityIcs 15 kA 500 V AC 50/60 Hz conforming to IEC 60947-2Ics 20 kA 440 V AC 50/60 Hz conforming to IEC 60947-2Ics 25 kA 380/415 V AC 50/60 Hz conforming to IEC 60947-2Ics 40 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 nameTM-D trip unit technologyThermal-magnetic trip unit protection functionsLI trip unit rating250 A ( 40 °C ) protection typeOverload protection (thermal) LShort-circuit protection (magnetic) I pollution degree3 conforming to IEC 60664-1 Complementary control typeToggle mounting modeFixed mounting supportBackplate upside connectionFront downside connectionFront mechanical durability20000 cycles electrical durability10000 cycles 440 V In conforming to IEC 60947-210000 cycles 690 V In/2 conforming to IEC 60947-220000 cycles 440 V In/2 conforming to IEC 60947-25000 cycles 690 V In conforming to IEC 60947-2 connection pitch35 mm local signallingPositive contact indication long time pick-up adjustment type IrAdjustable long time pick-up adjustment range0.7...1 x In long time delay adjustment typeFixed [tr] long-time delay adjustment range15 s 6 x Ir120...400 s 1.5 x In short-time pick-up adjustment type IsdAdjustable [Isd] short-time pick-up adjustment range5...10 x In short-time delay adjustment typeFixed height161 mm width105 mm depth86 mm product weight2.4 kg Environment overvoltage categoryClass II electrical shock protection classClass II standardsEN/IEC 60947 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 profileAvailable Product end of life instructionsAvailable Contractual warranty Warranty period18 months 18 months
Documents and DownloadsLanguage
CatalogueSizeAdd to My DocumentsUser guideSizeAdd to My DocumentsCADSizeAdd to My Documents3P NSX100-250; Compact circuit breaker (Version 1.0)3P NSX100-250; Compact circuit breaker (Version 1.0)3P NSX100-250; Compact circuit breaker (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.