Main product nameCompact NS device short nameCompact NS1250 NA product or component typeSwitch disconnector device applicationDistribution offer typeC4 poles description4P network typeAC performance levelNA suitability for isolationYes according to IEC 60947-3 Complementary network frequency50/60 Hz control typeToggle mounting modeFixed [Ie] rated operational currentAC-23A : 1250 A AC 50/60 Hz 220/240 VAC-23A : 1250 A AC 50/60 Hz 380/415 VAC-23A : 1250 A AC 50/60 Hz 440/480 VAC-23A : 1250 A AC 50/60 Hz 500/525 VAC-23A : 1250 A AC 50/60 Hz 660/690 V [Ui] rated insulation voltage800 V AC 50/60 Hz according to IEC 60947-3 [Uimp] rated impulse withstand voltage8 kV according to IEC 60947-3 [Ith] conventional free air thermal current1250 A ( 60 °C ) [Icw] rated short-time withstand current25 kA ( 0.5 s ) according to IEC 60947-34 kA ( 20 s ) according to IEC 60947-3 [Icm] rated short-circuit making capacity52 kA 690 V AC 50/60 Hz [Ue] rated operational voltage690 V AC 50/60 Hz according to IEC 60947-3 contact position indicatorYes visible breakNo mechanical durability6000 cycles conforming to IEC 60947-3 electrical durability1000 cycles 440 V AC 50/60 Hz according to IEC 60947-3 connection pitch70 mm height327 mm width280 mm depth147 mm product weight18 kg Environment standardsIEC 60947-3 product certificationsASEFAASTA pollution degree3 according to IEC 60947-3 ambient air temperature for operation-25...70 °C ambient air temperature for storage-50...85 °C Contractual warranty Warranty period18 months
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