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 at 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 415 V AC breaking capacity15 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 60947-225 kA Icu at 380/415 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 capacity20 kA at 440 V AC 50/60 Hz conforming to IEC 60947-225 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-240 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-215 kA at 500 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 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 protection typeL : for overload protection (thermal)I : for short-circuit protection (magnetic) trip unit rating250 A at 40 °C 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 range120…400 s at 1.5 x In15 s at 6 x Ir 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 net weight2.4 kg compatibility codeNSX250 Environment overvoltage categoryClass II electrical shock protection classClass II standardsEN/IEC 60947 product certificationsMarineCCCEAC 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 REACh Regulation EU RoHS DirectivePro-active compliance (Product out of EU RoHS legal scope)
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 Contractual warranty Warranty18 months
CatalogueFormatSizeAdd to My DocumentsUser guideFormatSizeAdd to My DocumentsCADFormatSizeAdd to My DocumentsSize zipSize 1.4 MBDate 2/27/14Size pdfSize 232.1 KBDate 10/24/18DescriptionYou will be redirected to the Traceparts website. Register for free or log in to your Traceparts account to download more than 15 different 2D or 3D CAD formats.Size zipSize 3.6 MBDate 8/4/08Size zipSize 6.4 MBDate 8/4/08Instruction sheetFormatSizeAdd to My DocumentsChina RoHS declarationFormatSizeAdd to My DocumentsEU RoHS DeclarationFormatSizeAdd to My DocumentsMarine certificateFormatSizeAdd to My Documents
- All Languages17
Technical FAQsNo results found.Unfortunately, related FAQs are unavailable due to temporary technical issues. Please try again later.