Main rangeTeSys product nameTeSys LRD product or component typeNon differential thermal overload relay device short nameLR3D relay applicationMotor protection product compatibilityLC1D80A network typeACDC thermal overload classClass 10A thermal protection adjustment range62...80 A [Ui] rated insulation voltage600 V power circuit conforming to CSA C22.2 No 14600 V power circuit conforming to UL 60947-4-1690 V power circuit conforming to IEC 60947-4-1 Complementary network frequency0...400 Hz mounting supportPlate with terminal block LAD96560 on topRail with terminal block LAD96560 on topDirect mounting under contactor tripping threshold1.14 +/- 0.06 Ir conforming to IEC 60947-4-1 auxiliary contact composition1 NO + 1 NC [Ith] conventional free air thermal current5 A for signalling circuit permissible current0.95 A at 380 V AC-15 for signalling circuit0.06 A at 440 V DC-13 for signalling circuit [Ue] rated operational voltage690 V [Uimp] rated impulse withstand voltage6 kV power dissipation per pole4.8 W phase failure sensitivityTripping current 130 % of Ir on two phase, the last one at 0 control typeRed push-button stopBlue push-button for reset mode temperature compensation-20...60 °C connections - terminalsControl circuit : screw clamp terminals 2 cable(s) 1...2.5 mm² flexible with cable endPower circuit : EverLink BTR screw connectors 1 cable(s) 1...35 mm² flexible with cable endPower circuit : EverLink BTR screw connectors 1 cable(s) 1...35 mm² solidControl circuit : screw clamp terminals 2 cable(s) 1...2.5 mm² solidControl circuit : screw clamp terminals 2 cable(s) 1...2.5 mm² flexiblePower circuit : EverLink BTR screw connectors 1 cable(s) 1...35 mm² flexiblePower circuit : direct terminal link on top tightening torqueControl circuit : 1.7 N.m on screw clamp terminalsPower circuit : 5 N.m on EverLink BTR screw connectors for cable 25 mm²Power circuit : 8 N.m on EverLink BTR screw connectors for cable 35 mm² height70 mm width55 mm depth123 mm product weight0.375 kg colourGrey SE GREY 6 Environment protective treatmentTH conforming to IEC 60068 IP degree of protectionIP20 conforming to IEC 60529 ambient air temperature for operation-20...60 °C without derating conforming to IEC 60947-4-1 ambient air temperature for storage-60...70 °C flame retardanceV1 conforming to UL 94 mechanical robustnessVibrations 3 Gn IEC 60068-2-6Shocks 15 Gn for 11 ms IEC 60068-2-7 dielectric strength6 kV at 50 Hz conforming to IEC 60255-5 standardsATEX D 94/9/CEEN/IEC 60947-4-1EN/IEC 60947-5-1UL 60947-4-1CSA C22.2 No 14 product certificationsATEX INERISEAC Offer Sustainability Sustainable offer statusGreen Premium product RoHS (date code: YYWW)Compliant - since 1739 - Schneider Electric declaration of conformity
Schneider Electric declaration of conformity
REACh Product environmental profileAvailable Product end of life instructionsAvailable
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User guideSizeAdd to My DocumentsCADSizeAdd to My DocumentsTeSys LR3D3 - 3P - 70…80A - overload relay for unbalanced loads (Version 1.0)CAD files for LR3D380: TeSys LR3D3 - 3P - 70…80A - overload relay for unbalanced loads (Version 1.0)Instruction sheetSizeAdd to My Documents
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