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circuit breaker Compact NS400H - MA - 320 A - 3 poles 3dShow more characteristics
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Main range of productCompact NS100...630 product or component typeCircuit breaker device short nameCompact NS400H circuit breaker nameCompact NS400H device applicationMotor poles description3P protected poles description3t 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 codeH breaking capacity100 kA at 240 V AC 50/60 Hz conforming to NEMA AB1 HIC35 kA at 600 V AC 50/60 Hz conforming to NEMA AB1 HIC65 kA at 480 V AC 50/60 Hz conforming to NEMA AB1 HIC35 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-250 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-265 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 60947-2100 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-220 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 [Ics] rated service breaking capacity35 kA at 525 V AC 50/60 Hz conforming to IEC 60947-250 kA at 500 V AC 50/60 Hz conforming to IEC 60947-265 kA at 440 V AC 50/60 Hz conforming to IEC 60947-270 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2100 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-220 kA at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 suitability for isolationYes conforming to IEC 60947-2 utilisation categoryCategory A trip unit nameMA trip unit technologyMagnetic trip unit rating320 A at 65 °C protection typeShort-circuit protection (magnetic) pollution degree3 conforming to IEC 60947 Complementary control typeToggle mounting modeFixed mounting supportBackplate upside connectionFront downside connectionFront 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 height255 mm width140 mm depth110 mm Environment standardsIEC 60947-2 product certificationsASEFALCIEKEMAASTA 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 Offer Sustainability EU RoHS DirectivePro-active compliance (Product out of EU RoHS legal scope)
EU RoHS Declaration
Environmental Disclosure Contractual warranty Warranty18 months
EU RoHS DeclarationFormatSizeAdd to My DocumentsProduct Environmental ProfileFormatSizeAdd to My Documents
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