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 DC24 V AC thermal protection adjustment range3...30 A [Ui] rated insulation voltage600 V AC power circuit conforming to CSA600 V AC power circuit conforming to UL690 V AC power circuit conforming to IEC 60947-4-1 Complementary network frequency50...60 Hz mounting supportRail tripping threshold3...25 A electromagnetic compatibilityConducted emission class A conforming to EN 55011Immunity to electromagnetic interference 10 V/m conforming to IEC 61000-4-3Resistance 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 61000-4-2Immunity 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 A for signalling circuit associated fuse rating3 A gG for signalling circuit3 A BS for signalling circuit [Uimp] rated impulse withstand voltage6 kV time range0.5..30 s - control type D-time0.3...10 s - control type O-time local signalling1 LED (green)1 LED (red) control typePush-button for reset modeElectrical for reset mode connections - terminalsSignalling circuit : screw clamp terminals 1 cable(s) 1...2.5 mm² - cable stiffness: flexible - with cable end cable endSignalling circuit : screw clamp terminals 1 cable(s) 1...2.5 mm² - cable stiffness: flexible - without cable end cable endSignalling circuit : screw clamp terminals 2 cable(s) 1...2.5 mm² - cable stiffness: flexible - with cable end cable endSignalling circuit : screw clamp terminals 2 cable(s) 1...2.5 mm² - cable stiffness: flexible - without cable end cable end tightening torqueSignalling circuit : 1.7 N.m screw : M3.5 height70.3 mm width71 mm depth77.2 mm product weight0.192 kg Environment standardsIEC 60255-6IEC 60947 product certificationsCSAUL protective treatmentTH conforming to IEC 60068 IP degree of protectionIP20 conforming to VDE 0106IP20 conforming to IEC 60529 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 IEC 60068-2-7Vibrations 4 gn IEC 60068-2-6 dielectric strength2 kV at 50 Hz conforming to IEC 60255-5 Offer Sustainability RoHS (date code: YYWW) REACh Contractual warranty Warranty period18 months
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