circuit breaker Compact NS250N - TMD - 250 A - 4 poles 4dShow more characteristics
Main range of productCompact NS100...630 product or component typeCircuit breaker device short nameCompact NS250N circuit breaker nameCompact NS250N device applicationDistribution poles description4P protected poles description4t neutral positionLeft network typeDCAC network frequency50/60 Hz [In] rated current220 A at 65 °C250 A at 40 °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 HIC8 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-235 kA at 480 V AC 50/60 Hz conforming to NEMA AB1 HIC85 kA at 240 V AC 50/60 Hz conforming to UL 50822 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-235 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-236 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 60947-220 kA at 600 V AC 50/60 Hz conforming to NEMA AB1 HIC35 kA at 480 V AC 50/60 Hz conforming to UL 50830 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-218 kA at 600 V AC 50/60 Hz conforming to UL 508 [Ics] rated service breaking capacity8 kA at 660/690 V AC 50/60 Hz conforming to IEC 60947-235 kA at 440 V AC 50/60 Hz conforming to IEC 60947-236 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-285 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 60947-2 suitability for isolationYes conforming to IEC 60947-2 utilisation categoryCategory A trip unit nameTM-D trip unit technologyThermal-magnetic trip unit rating250 A at 40 °C protection typeOverload protection (thermal)Short-circuit protection (magnetic) pollution degree3 conforming to IEC 60947 Complementary control typeToggle mounting modeFixed mounting supportBackplate upside connectionFront downside connectionFront mechanical durability20000 cycles electrical durability10000 cycles 440 V AC 50/60 Hz In conforming to IEC 60947-220000 cycles 440 V AC 50/60 Hz In/2 conforming to IEC 60947-2 connection pitch35 mm local signallingPositive contact indication neutral protection settingNo protection long time pick-up adjustment type IrAdjustable long time pick-up adjustment range0.8...1 x In instantaneous pick-up adjustment type IiAdjustable instantaneous pick-up adjustment range5...10 x In height161 mm width140 mm depth86 mm Environment standardsIEC 60947-2 product certificationsASTAASEFALCIEKEMA 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 Packing Units Package 1 Weight2.550 kg Package 1 Height1.380 dm Package 1 width1.420 dm Package 1 Length1.720 dm Contractual warranty Warranty18 months
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