Main rangeTeSys product nameTeSys LRF device short nameLR9F product or component typeElectronic thermal overload relay relay applicationMotor protection product compatibilityLC1F115...LC1F185 network typeAC thermal overload classClass 20 conforming to IEC 60947-4 thermal protection adjustment range30…50 A Complementary network frequency50/60 Hz supply voltage limits17…32 V mounting supportDirect on contactorPlate tripping threshold1.12 +/- 0.06 In tripping conforming to IEC 60947-4-1 surge withstand4 kV conforming to IEC 61000-4-5 contacts type and composition1 NO + 1 NC [Ith] conventional free air thermal current5 A for control circuit [Ue] rated operational voltage1000 V AC 50/60 Hz for power circuit conforming to VDE 0110 group C [Ui] rated insulation voltagePower circuit: 1000 V AC conforming to IEC 60947-4 [Uimp] rated impulse withstand voltage8 kV IEC 60947-1 phase failure sensitivityTripping in 4 s +/- 20 % conforming to IEC 60947-4-1 resetManual reset on front relay control typeDial white full-load current adjustmentTest button redPush-button red resetPush-button stop local signallingTrip indicator temperature compensation-20…70 °C current consumption<= 5 mA no-load switching capacity for alarm0...150 mA maximum voltage drop<2.5 V closed state connections - terminalsControl circuit: screw clamp terminals 1 cable 0.75…2.5 mm² - cable stiffness: flexible - with cable endControl circuit: screw clamp terminals 1 cable 0.75…2.5 mm² - cable stiffness: solidControl circuit: screw clamp terminals 1 cable 0.75…4 mm² - cable stiffness: flexible - without cable endControl circuit: screw clamp terminals 2 cable 1…1.5 mm² - cable stiffness: flexible - with cable endControl circuit: screw clamp terminals 2 cable 1…2.5 mm² - cable stiffness: flexible - without cable endControl circuit: screw clamp terminals 2 cable 1 mm² - cable stiffness: solidPower circuit: lugs-ring terminals M6 tightening torqueControl circuit: 1.2 N.m on screw clamp terminalsPower circuit: 10 N.m on screw clamp terminals height96 mm width115 mm depth123.5 mm net weight0.885 kg Environment standardsIEC 60947-4-1IEC 60255-17IEC 60255-8EN 60947-4-1VDE 0660 product certificationsCSAUL protective treatmentTH IP degree of protectionIP20 conforming to IEC 60529IP20 conforming to VDE 0106 ambient air temperature for operation-20…55 °C conforming to IEC 60255-8 ambient air temperature for storage-40…85 °C operating altitude<= 2000 m without derating fire resistance850 °C conforming to IEC 60695-2-1 mechanical robustnessShocks: 13 Gn for 11 ms conforming to IEC 60068-2-7Vibrations 5...300 Hz: 2 Gn conforming to IEC 60068-2-6 dielectric strength6 kV 50 Hz conforming to IEC 255-5 electromagnetic compatibilityResistance to electrostatic discharge: 6 kV in indirect mode conforming to IEC 61000-4-2Resistance to electrostatic discharge: 8 kV in air conforming to IEC 61000-4-2Radiated radio-frequency electromagnetic field immunity test: 10 V/m conforming to IEC 61000-4-3Fast transients immunity test: 2 kV conforming to IEC 61000-4-4 Offer Sustainability Sustainable offer statusGreen Premium product REACh Regulation EU RoHS DirectiveCompliant
EU RoHS Declaration
Mercury freeYes RoHS exemption information China RoHS RegulationChina RoHS declaration
Product out of China RoHS scope. Substance declaration for your information
Environmental Disclosure Circularity Profile WEEEThe product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins Contractual warranty Warranty18 months
Documents and DownloadsLanguage
Instruction sheetSizeAdd to My DocumentsCADSizeAdd to My DocumentsThermal motor- F range - Class 10 - 50A\LR9F5.5. (Version 1.0)CAD file (on TraceParts) for LR9F5557: TeSys LRF - electronic thermal overload relay - 30...50 A - class 20 (Version 3.0)Thermal motor - F range - Class 10 - 80 A, 100 A, 150 A\LR9F5.6 (Version 1.0)Thermal motor - F range - Class 10 - \LR9F5... (Version 1.0)CertificateSizeAdd to My DocumentsEnd of Life InformationSizeAdd to My DocumentsProduct Environmental ProfileSizeAdd to My Documents
Technical FAQsNo results found.Unfortunately, related FAQs are unavailable due to temporary technical issues. Please try again later.