Main rangeTeSys product nameTeSys LT product or component typeElectronic over current relay device short nameLT47 device applicationProtection relay applicationLocked rotor, mechanical jamming I > 3 x IsettingOverload Imax > IsettingSensitivity to phase failure [Us] rated supply voltage24 V AC24 V DC thermal protection adjustment range0.5…6 A [Ui] rated insulation voltagePower circuit: 600 V AC conforming to CSAPower circuit: 600 V AC conforming to ULPower circuit: 690 V AC conforming to IEC 60947-4-1 Complementary network frequency50...60 Hz mounting supportRail tripping threshold0.5...5 A electromagnetic compatibilityResistance to electrostatic discharge: 8 kV in open air conforming to IEC 61000-4-2Resistance to electrostatic discharge: 6 kV in direct mode conforming to IEC 61000-4-2Conducted emission: class A conforming to EN 55011Immunity to electromagnetic interference: 10 V/m conforming to IEC 61000-4-3Immunity to fast transients: 2 kV conforming to IEC 61000-4-4Surge withstand: 6 kV conforming to IEC 61000-4-5Conducted HF disturbances: 10 V conforming to IEC 61000-4-6 auxiliary contact composition1 NO + 1 NC [Ith] conventional free air thermal current3 Afor signalling circuit associated fuse rating3 A gGfor signalling circuit3 A BSfor signalling circuit [Uimp] rated impulse withstand voltage6 kV time range1...120 s - control type R-time0.3...30 s - control type O-time local signalling1 LED (green) 1 LED (red) control typeautomatic: reset connections - terminalsSignalling circuit: screw clamp terminals 1 1…2.5 mm² - cable stiffness: flexible with cable endSignalling circuit: screw clamp terminals 1 1…2.5 mm² - cable stiffness: flexible without cable endSignalling circuit: screw clamp terminals 2 1…2.5 mm² - cable stiffness: flexible with cable endSignalling circuit: screw clamp terminals 2 1…2.5 mm² - cable stiffness: flexible without cable endSignalling circuit: lugs-ring terminals - external diameter: 7 mm tightening torqueSignalling circuit: 1.7 N.m M3.5 height70.3 mm width71 mm depth77.2 mm net weight0.192 kg Environment standardsIEC 60255-6IEC 60947 product certificationsULCSA protective treatmentTH conforming to IEC 60068 IP degree of protectionIP20 conforming to IEC 60529IP20 conforming to VDE 0106 ambient air temperature for operation-25…60 °C without derating conforming to IEC 60947-4-1 ambient air temperature for storage-30…80 °C operating altitude2000 m mechanical robustnessShocks: 15 Gn for 11 ms conforming to IEC 60068-2-7Vibrations: 4 gn conforming to IEC 60068-2-6 dielectric strength2 kV at 50 Hz conforming to IEC 60255-5 Offer Sustainability EU RoHS Directive Contractual warranty Warranty18 months
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Instruction sheetSizeAdd to My DocumentsCADSizeAdd to My DocumentsTeSys LT47 electronic over current relays (Version 1.0)Electronic over current relays LT47 for 0.5 at 60A, with relay setting range, with reset (Version 1.0)CertificateSizeAdd to My DocumentsEnd of Life InformationSizeAdd to My Documents
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