Compact body All-rounder

Selecting the rated sensitivity current for the earth leakage current breakerWhen using the earth leakage current breaker with the invertercircuit, select its rated sensitivity current as follows,independently of the PWM carrier frequency.• Breaker designed for harmonic and surge suppressionRated sensitivity current IΔn≥10×(Ig1+Ign+Igi+Ig2+Igm)• Standard breakerRated sensitivity current IΔn≥10×{Ig1+Ign+Igi+3X(Ig2+Igm)}Ig1, Ig2: Leakage currents in wire path during commercial power supplyoperationIgn : Leakage current of inverter input side noise filterIgm : Leakage current of motor during commercial power supply operationIgi : Leakage current of inverter unitExample of leakage current of Leakage current example ofcable path per 1km during the three-phase induction motorcommercial power supply operation during the commercialwhen the CV cable is routed in power supply operationmetal conduit(200V 60Hz)(200V 60Hz)Leakage currents (mA)1201008060402002 3.5 8142238801505.5 3060100Cable size (mm 2 )Leakage currents (mA)1.00.70.50.30.20.10.070.050.030.020.1 0.2 0.75 2.2 5.5 11 200.4 1.5 3.7 7.5 15Motor capacity (kW)exampleELB5.5mm 2Noisefilter(Note) 1 Install the earth leakage breaker (ELB) on the input side of the inverter.2 In the connection earthed-neutral system, the sensitivity current is bluntagainst an earth (ground) fault in the inverter output side. Earthing (Grounding)must conform to the requirements of national and local safety regulations andelectrical codes. (NEC section 250, IEC 536 class 1 and other applicablestandards)•Selection example (in the case of the above figure)Leakage currentIg1 (mA)Leakage currentIgn (mA)Leakage currentIgi (mA)Leakage currentIg2 (mA)Motor leakagecurrent Igm (mA)Total leakagecurrent (mA)Rated sensitivitycurrent (mA)(≥Ig×10)5mInverter5.5mm 250mIMIg1 Ign Ig2 IgmIgi3φ200V2.2kWBreaker Designed forHarmonic and Surge Standard BreakerSuppression33 ×5m1,000m= 0.170 (without noise filter)33 ×150m1,000m0.18= 1.653.00 6.6630 100InquiryFeaturesWarrantyCompatibilityMotorInstructionsOptionsPeripheralDevicesStandardSpecificationsOutlineDimensionDrawingsTerminal ConnectionDiagramTerminal SpecificationExplanationOperation panelParameter unitFR ConfiguratorParameterListProtectiveFunctionsExplanationsofParameters58