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switch-disconnector Compact NS250 NA - 250 A - 4 polesShow more characteristics
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Main range of productNS100...250 rangeCompact product nameCompact NS250 NA device short nameCompact NS250 NA product or component typeSwitch disconnector device applicationDistribution poles description4P network typeDCAC network frequency50/60 Hz [Ie] rated operational currentAC-22A: 250 A AC 50/60 Hz 220/240 VAC-22A: 250 A AC 50/60 Hz 380/415 VAC-22A: 250 A AC 50/60 Hz 440/480 VAC-22A: 250 A AC 50/60 Hz 500/525 VAC-22A: 250 A AC 50/60 Hz 660/690 VAC-23A: 250 A AC 50/60 Hz 220/240 VAC-23A: 250 A AC 50/60 Hz 380/415 VAC-23A: 250 A AC 50/60 Hz 440/480 VAC-23A: 250 A AC 50/60 Hz 500/525 VAC-23A: 250 A AC 50/60 Hz 660/690 VDC-22A: 250 A DC 250 V 1PDC-22A: 250 A DC 500 V 2 poles in seriesDC-23A: 250 A DC 250 V 1PDC-23A: 250 A DC 500 V 2 poles in series [Ui] rated insulation voltage750 V AC 50/60 Hz conforming to IEC 60947-3 [Uimp] rated impulse withstand voltage8 kV conforming to IEC 60947-3 [Ith] conventional free air thermal current250 A at 60 °C [Icm] rated short-circuit making capacity4.9 kA [Ue] rated operational voltage500 V DC conforming to IEC 60947-3690 V AC 50/60 Hz conforming to IEC 60947-3 breaking capacity codeNA suitability for isolationYes conforming to IEC 60947-3 contact position indicatorYes visible breakNo pollution degree3 conforming to IEC 60947-3 Complementary control typeToggle mounting modeFixed upside connectionFront downside connectionFront [Icw] rated short-time withstand current1.35 kA during 20 s conforming to IEC 60947-33.5 kA during 1 s conforming to IEC 60947-33.5 kA during 3 s conforming to IEC 60947-3 mechanical durability20000 cycles conforming to IEC 60947-3 electrical durabilityAC-22A: 20000 cycles 690 V AC 50/60 Hz conforming to IEC 60947-3AC-23A: 10000 cycles 440 V AC 50/60 Hz conforming to IEC 60947-3AC-23A: 20000 cycles 440 V AC 50/60 Hz In/2 conforming to IEC 60947-3DC-23A: 10000 cycles 250 V DC conforming to IEC 60947-3DC-23A: 20000 cycles 250 V DC In/2 conforming to IEC 60947-3 connection pitch35 mm height161 mm width105 mm depth86 mm net weight2.2 kg Environment standardsIEC 60947-3 product certificationsKEMAASEFAASTA ambient air temperature for operation-25…70 °C ambient air temperature for storage-50…85 °C Contractual warranty Warranty18 months
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