View all Compact NS < 630A
Main range of productNS400...630 product or component typeTrip unit range compatibilityCompact NS400Compact NS630 device applicationDistribution poles description4P protected poles description3t + N/23t4t neutral positionLeft network typeAC network frequency50/60 Hz trip unit nameSTR53UE trip unit technologyElectronic protection typefor overload protection (long time) for instantaneous short-circuit protection for short time short-circuit protection trip unit rating250 A at 40 °C400 A at 40 °C630 A at 40 °C150 A at 40 °C earth-leakage protectionWith Complementary [Ue] rated operational voltage<= 525 V AC 50/60 Hz neutral protection setting0.5 x Ir long time pick-up adjustment type IrAdjustable 48 settings long time delay adjustment typeAdjustable [tr] long-time delay adjustment range12…16 s at 6 x Ir138…200 s at 1.5 x Ir277…400 s at 1.5 x Ir3…4 s at 6 x Ir34…50 s at 1.5 x Ir6…8 s at 6 x Ir69…100 s at 1.5 x Ir8…15 s at 1.5 x Ir0.2…0.74 s at 7.2 x Ir0.4…0.5 s at 6 x Ir1…1.4 s at 7.2 x Ir1.5…2 s at 6 x Ir2…2.8 s at 7.2 x Ir4…5.5 s at 7.2 x Ir8.2…11 s at 7.2 x Ir short-time pick-up adjustment type IsdAdjustable 8 settings [Isd] short-time pick-up adjustment range1.5...10 x Ir short-time delay adjustment typeAdjustable 4 settings [tsd] short-time delay adjustment range0.015…0.06 s0.06…0.14 s0.14…0.23 s0.23…0.35 s instantaneous pick-up adjustment type IiAdjustable 8 settings display typeDisplay Environment standardsIEC 60947-2 product certificationsASTALCIEKEMAASEFA IP degree of protectionIP40 conforming to IEC 60529 pollution degree3 conforming to IEC 60947 ambient air temperature for operation-25…70 °C ambient air temperature for storage-50…85 °C Contractual warranty Warranty18 months
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