Main rangeCompact range of productNS630b...1600 product or component typeCircuit breaker device short nameCompact NS800H device applicationDistribution poles description4P protected poles description4t neutral positionLeft network typeAC breaking capacity codeH suitability for isolationYes conforming to IEC 60947-2 utilisation categoryCategory B trip unit nameMicrologic 6.0 trip unit technologyElectronic trip unit rating800 A ( 50 °C ) Complementary network frequency50/60 Hz control typeRotary handleToggle mounting modeFixed mounting supportBackplate upside connectionFront downside connectionFront (In) rated current up to 65 °C800 A ( 50 °C ) [Ui] rated insulation voltage800 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 60947-2 circuit breaker CT rating800 A breaking capacity65 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-270 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-285 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-242 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-250 kA Icu at 500/525 V AC 50/60 Hz conforming to IEC 60947-2 [Ics] rated service breaking capacityIcs 30 kA 660/690 V AC 50/60 Hz conforming to IEC 60947-2Ics 40 kA 500/525 V AC 50/60 Hz conforming to IEC 60947-2Ics 50 kA 220/240 V AC 50/60 Hz conforming to IEC 60947-2Ics 50 kA 380/415 V AC 50/60 Hz conforming to IEC 60947-2Ics 50 kA 440 V AC 50/60 Hz conforming to IEC 60947-2 auxiliary contact composition1 NO/NC mechanical durability10000 cycles electrical durability2000 cycles IEC 60947-2 690 V In AC 50/60 Hz4000 cycles IEC 60947-2 690 V In/2 AC 50/60 Hz5000 cycles IEC 60947-2 440 V In AC 50/60 Hz6000 cycles IEC 60947-2 440 V In/2 AC 50/60 Hz local signallingPositive contact indication [Icw] rated short-time withstand current19.2 kA neutral protection settingIr trip unit protection functionsLSIG protection typeEarth faultOverload protection (long time)Instantaneous short-circuit protectionShort time short-circuit protection long time pick-up adjustment type IrAdjustable long time pick-up adjustment range0.4...1 x In long time delay adjustment typeAdjustable 9 settings [tr] long-time delay adjustment range0.5...24 s 6 x Ir0.7...16.6 s 7.2 x Ir12.5...600 s 1.5 x Ir thermal memory20 mn short-time pick-up adjustment type IsdAdjustable 9 settings [Isd] short-time pick-up adjustment range1.5...10 x Ir short-time delay adjustment typeAdjustable [tsd] short-time delay adjustment range0.1...0.4 s I²t=on0...0.4 s I²t=off instantaneous pick-up adjustment type IiAdjustable instantaneous pick-up adjustment rangeOff2...15 x In integrated instantaneous protection40 kA ground-fault pick-up adjustment typeAdjustable 9 settings [Ig] ground-fault pick-up adjustment range0.3...1 x In for In <= 400 A0.2...1 x In for 400 A < In < 1250 A500...1200 A for In >= 1250 A ground-fault time delay adjustment type -tgAdjustable [tg] ground-fault time delay adjustment range0.1...0.4 s I²t=on0...0.4 s I²t=off zone selective interlocking ZSIWith height327 mm width280 mm depth147 mm Environment standardsIEC 60947-2 product certificationsASEFAASTA power losses15 W IP degree of protectionIP40 conforming to IEC 60529 IK degree of protectionIK07 conforming to EN 50102 pollution degree3 conforming to IEC 60947 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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CatalogueSizeAdd to My DocumentsCADSizeAdd to My DocumentsFront-connected circuit breaker Compact NS630b to NS1600 4P; fixed manually operated (Version 1.0)CAD files for 33901: Front-connected circuit breaker Compact NS630b to NS1600 4P; fixed manually operated (Version 1.0)Instruction sheetSizeAdd to My DocumentsMarine certificateSizeAdd to My DocumentsLR Marine Certificate Compact NS630b-1600 moulded case circuit breaker (Version 1.0)LR Marine Certificate Compact NS630b-1600 moulded case circuit breaker (Version 1.0)ABS Marine Certificate Compact NS630b-1600N-H-L-LB moulded case circuit breaker (Version 1.0)BV Marine Certificate Compact NS630b-1600 moulded case circuit breaker (Version 1.0)
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