Main rangeCompact product nameCompact NSX product or component typeCircuit breaker device short nameCompact NSX250HB2 device applicationMotor poles description3P protected poles description3t network typeAC network frequency50/60 Hz [In] rated current220 A ( 65 °C )250 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 codeHB2 (100 kA) AC breaking capacity100 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2100 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2100 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 [Ics] rated service breaking capacityIcs 100 kA 500 V AC 50/60 Hz conforming to IEC 60947-2Ics 100 kA 525 V AC 50/60 Hz conforming to IEC 60947-2Ics 100 kA 660/690 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 nameMA trip unit technologyMagnetic trip unit protection functionsI trip unit rating220 A ( 65 °C ) protection typeShort-circuit protection (magnetic) 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 short-time pick-up adjustment type IsdAdjustable [Isd] short-time pick-up adjustment range9...14 x In 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
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