circuit breaker Compact NSX250B, 25 kA at 415 VAC, Micrologic 2.2 trip unit 250 A, 3 poles 3dShow more characteristics >
Main rangeCompact product nameCompact NSX product or component typeCircuit breaker device short nameCompact NSX250B device applicationDistribution poles description3P protected poles description3t 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 nameMicrologic 2.2 trip unit technologyElectronic trip unit protection functionsLSoI 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 signallingLED readyLED 105 % IrLED 90 % Ir protection typeL : for overload protection (long time)So : for short time short-circuit protection with fixed delayI : for instantaneous short-circuit protection trip unit rating250 A at 40 °C 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 range11 s at 7.2 x Ir16 s at 6 x Ir400 s at 1.5 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 range3000 A height161 mm width105 mm depth86 mm product weight2.4 kg compatibility codeNSX250 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 REACh Regulation EU RoHS DirectivePro-active compliance (Product out of EU RoHS legal scope)
EU RoHS Declaration
Mercury freeYes RoHS exemption information China RoHS Regulation Environmental Disclosure Circularity Profile WEEEThe product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins Contractual warranty Warranty18 months
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CatalogueSizeAdd to My DocumentsUser guideSizeAdd to My DocumentsCADSizeAdd to My Documents3P NSX100-250; Compact circuit breaker (Version 1.0)NSX100/160/250 3P; Compact circuit breaker (Version 1.0)CAD files for LV431140: NSX100/160/250 3P; Compact circuit breaker (Version 1.0)3P NSX100-250; Compact circuit breaker (Version 1.0)Instruction sheetSizeAdd to My Documents
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