circuit breaker Compact NS250H - TMD - 250 A - 4 poles 4dShow more characteristics >
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Main range of productCompact NS100...630 product or component typeCircuit breaker device short nameCompact NS250H circuit breaker nameCompact NS250H device applicationDistribution poles description4P protected poles description4t neutral positionLeft network typeACDC network frequency50/60 Hz [In] rated current220 A 65 °C250 A 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 codeH breaking capacity50 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-210 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-235 kA Icu at 525 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 60947-2100 kA at 240 V AC 50/60 Hz conforming to NEMA AB1 HIC18 kA at 600 V AC 50/60 Hz conforming to UL 50835 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 HIC65 kA at 480 V AC 50/60 Hz conforming to UL 50885 kA at 240 V AC 50/60 Hz conforming to UL 508 [Ics] rated service breaking capacityIcs 10 kA 660/690 V AC 50/60 Hz conforming to IEC 60947-2Ics 100 kA 220/240 V AC 50/60 Hz conforming to IEC 60947-2Ics 35 kA 525 V AC 50/60 Hz conforming to IEC 60947-2Ics 50 kA 500 V AC 50/60 Hz conforming to IEC 60947-2Ics 65 kA 440 V AC 50/60 Hz conforming to IEC 60947-2Ics 70 kA 380/415 V AC 50/60 Hz conforming to IEC 60947-2 utilisation categoryCategory A trip unit nameTM-D trip unit technologyThermal-magnetic trip unit rating250 A protection typeOverload protection (thermal)Protection of the fourth poleShort-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 setting1 x Ir 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 certificationsASEFAASTAKEMALCIE 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 Warranty period18 months
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