View all Compact NS < 630A
circuit breaker Compact NS400N - STR53UE - 400 A - 4 poles 4dShow more characteristics
32700 has not been replaced. Please contact your customer care center for more information.
Add to My Products Remove from My Products
The maximum number of products that can be compared is 4
Main range of productCompact NS100...630 product or component typeCircuit breaker device short nameCompact NS400N circuit breaker nameCompact NS400N device applicationDistribution poles description4P protected poles description3t + N/24t3t neutral positionLeft network typeDCAC network frequency50/60 Hz [In] rated current400 A at 40 °C320 A at 65 °C [Ui] rated insulation voltage750 V AC 50/60 Hz conforming to IEC 60947-2 [Uimp] rated impulse withstand voltage8 kV conforming to IEC 60947-2 [Ue] rated operational voltage690 V AC 50/60 Hz conforming to IEC 60947-2750 V DC conforming to IEC 60947-2 breaking capacity codeN breaking capacity85 kA at 240 V AC 50/60 Hz conforming to NEMA AB1 HIC22 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-285 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-230 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-242 kA at 480 V AC 50/60 Hz conforming to NEMA AB1 HIC42 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-250 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 [Ics] rated service breaking capacity85 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-222 kA at 525 V AC 50/60 Hz conforming to IEC 60947-230 kA at 500 V AC 50/60 Hz conforming to IEC 60947-242 kA at 440 V AC 50/60 Hz conforming to IEC 60947-250 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 suitability for isolationYes conforming to IEC 60947-2 utilisation categoryCategory A trip unit nameSTR53UE F trip unit technologyElectronic trip unit rating400 A protection typeShort time short-circuit protectionProtection of the fourth poleOverload protection (long time)Instantaneous short-circuit protection pollution degree3 conforming to IEC 60947 Complementary control typeToggle mounting modeFixed mounting supportBackplate upside connectionFront downside connectionFront circuit breaker CT rating400 A mechanical durability15000 cycles electrical durability12000 cycles 440 V AC 50/60 Hz In/2 conforming to IEC 60947-26000 cycles 440 V AC 50/60 Hz In conforming to IEC 60947-2 connection pitch45 mm local signallingPositive contact indication neutral protection settingNo protection1 x Ir0.5 x Ir long time pick-up adjustment type IrAdjustable 48 settings long time pick-up adjustment range0.4...1 x In long time delay adjustment typeAdjustable [tr] long-time delay adjustment range12…16 s 6 x Ir138…200 s 1.5 x Ir277…400 s 1.5 x Ir3…4 s 6 x Ir34…50 s 1.5 x Ir6…8 s 6 x Ir8…15 s 1.5 x Ir0.2…0.74 s 7.2 x Ir0.4…0.5 s 6 x Ir1…1.4 s 7.2 x Ir1.5…2 s 6 x Ir2…2.8 s 7.2 x Ir4…5.5 s 7.2 x Ir8.2…11 s 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 typeAdj 4 setgs + const I²t option [tsd] short-time delay adjustment range0.06…0.14 s0.015…0.06 s0.14…0.23 s0.23…0.35 s instantaneous pick-up adjustment type IiAdjustable instantaneous pick-up adjustment range1.5...11 x In display typeLED height255 mm width185 mm depth110 mm Environment standardsIEC 60947-2 product certificationsLCIEASEFAASTAKEMA IP degree of protectionIP40 conforming to IEC 60529 IK degree of protectionIK07 conforming to EN 50102 ambient air temperature for operation-25…70 °C ambient air temperature for storage-50…85 °C Contractual warranty Warranty18 months
Product Environmental ProfileFormatSizeAdd to My Documents
- All Languages3
Technical FAQsNo results found.Unfortunately, related FAQs are unavailable due to temporary technical issues. Please try again later.