LV431490
LV431490
trip unit MicroLogic 5.2 A for ComPact NSX 250 circuit breakers, electronic, rating 250A, 3 poles 3d
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Characteristics
Main range ComPactrange of product ComPact NSX100...250product or component type Trip unittrip unit name Micrologic 5.2 Atrip unit technology Electronicrange compatibility ComPact NSX250device application DistributionNumber of poles 3Pprotected poles description 3ttrip unit protection functions LSIprotection type L : for overload protection (long time)S : for short time short-circuit protectionI : for instantaneous short-circuit protectionTrip unit rated current 250 A at 40 °C[Ue] rated operational voltage 690 V AC 50/60 Hznetwork type ACnetwork frequency 50/60 HzComplementary Long-time pick-up adjustment type Ir (thermal protection) Adjustable 9 settings[Ir] long-time protection pick-up adjustment range 100...250 ALong-time protection delay adjustment type tr Adjustable[tr] long-time protection delay adjustment range 15…400 s at 1.5 x Ir0.35…11 s at 7.2 x Ir0.5…16 s at 6 x Irthermal memory 20 minutes before and after trippingShort-time protection pick-up adjustment type Isd Adjustable 9 settings[Isd] Short-time protection pick-up adjustment range 1.5...10 x IrShort-time protection delay adjustment type tsd Adjustable[tsd] Short-time protection delay adjustment range 0…0.4 s I²t=off0.1…0.4 s I²t=onInstantaneous protection pick-up adjustment type Ii Adjustable[Ii] instantaneous protection pick-up adjustment range 1.5...12 x Inearth-leakage protection Withoutzone selective interlocking ZSI Withlocal signalling Flashing LED (green) for ready to operateLED 105 % Ir (red) for overloadLED 90 % Ir (orange) for overloaddisplay type LCD displaytype of measurement Ammetercommunication of data Protection and alarm settingsPower qualityDemand current and powerEnergy meteringInstantaneous and demand valuesTime-stamped histories and event tablesMaintenance indicatorsMaximeters/minimeterselectrical data recording Maintenance indicatorsEnvironment standards EN/IEC 60947-2UL 508product certifications MarineCCCEACambient air temperature for operation -25…70 °Cambient air temperature for storage -40…85 °CPacking Units Unit Type of Package 1 PCENumber of Units in Package 1 1Package 1 Weight 527 gPackage 1 Height 9.7 cmPackage 1 width 11 cm