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 10 conforming to IEC 60947-4 thermal protection adjustment range30...50 A Complementary network frequency50/60 Hz supply voltage limits17...32 V mounting supportPlateDirect on contactor 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 Afor control circuit System Voltage1000 V AC 50/60 Hz power circuit conforming to VDE 0110 group C [Ui] rated insulation voltage1000 V AC power circuit conforming to IEC 60947-4 [Uimp] rated impulse withstand voltage8 kV conforming to 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-4...158 °F (-20...70 °C) current consumption<= 5 mA no-load switching capacity for alarm0...150 mA voltage drop2.5 V closed state connections - terminalsControl circuit: screw clamp terminals 1 cable 0...0 in² (0.75...2.5 mm²) - cable stiffness: solidControl circuit: screw clamp terminals 2 cable 0 in² (1 mm²) - cable stiffness: solidControl circuit : screw clamp terminals 1 cable 0.75...2.5 mm² - cable stiffness: flexible - with cable end cable endControl circuit : screw clamp terminals 1 cable 0.75...4 mm² - cable stiffness: flexible - without cable end cable endControl circuit : screw clamp terminals 2 cable 1...1.5 mm² - cable stiffness: flexible - with cable end cable endControl circuit : screw clamp terminals 2 cable 1...2.5 mm² - cable stiffness: flexible - without cable end cable endPower circuit : lugs-ring terminals M6 tightening torqueControl circuit : 1.2 N.m - on screw clamp terminalsPower circuit : 10 N.m - on screw clamp terminals height3.78 in (96 mm) width4.53 in (115 mm) depth4.86 in (123.5 mm) product weight1.95 lb(US) (0.885 kg) Environment standardsEN 60947-4-1IEC 60255-17IEC 60255-8IEC 60947-4-1VDE 0660 product certificationsCSAUL protective treatmentTH IP degree of protectionIP20 conforming to VDE 0106IP20 conforming to IEC 60529 ambient air temperature for operation-4...131 °F (-20...55 °C) conforming to IEC 60255-8 ambient air temperature for storage-40...185 °F (-40...85 °C) operating altitude<= 6561.68 ft (2000 m) without derating fire resistance1562 °F (850 °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 kVat 50 Hz conforming to IEC 255-5 electromagnetic compatibilityRadiated radio-frequency electromagnetic field immunity test 10 V/m conforming to IEC 61000-4-3Resistance to electrostatic discharge 6 kV in indirect mode conforming to IEC 61000-4-2Resistance to electrostatic discharge 8 kV in air conforming to IEC 61000-4-2Fast transients immunity test 2 kV conforming to IEC 61000-4-4 Offer Sustainability Sustainable offer statusGreen Premium product RoHS (date code: YYWW) REACh Product environmental profile Product end of life instructions Contractual warranty Warranty period18 months
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