Main rangeTeSys product or component typeContactor product nameTeSys K device short nameLC1K device applicationControl contactor applicationResistive load Complementary utilisation categoryAC-1 poles description4P power pole contact composition4 NO [Ue] rated operational voltagePower circuit: 690 V AC 50/60 Hz [Ie] rated operational current20 A (at <50 °C) at <= 440 V AC AC-1 for power circuit16 A (at <70 °C) at <= 440 V AC AC-1 for power circuit control circuit typeDC low consumption [Uc] control circuit voltage110 V DC [Uimp] rated impulse withstand voltage8 kV overvoltage categoryIII [Ith] conventional free air thermal current20 A (at 50 °C) for power circuit Irms rated making capacity110 A AC for power circuit conforming to NF C 63-110110 A AC for power circuit conforming to IEC 60947 rated breaking capacity110 A at 415 V conforming to IEC 60947110 A at 440 V conforming to IEC 6094780 A at 500 V conforming to IEC 60947110 A at 220...230 V conforming to IEC 60947110 A at 380...400 V conforming to IEC 6094770 A at 660...690 V conforming to IEC 60947 [Icw] rated short-time withstand current90 A 50 °C - 1 s for power circuit85 A 50 °C - 5 s for power circuit80 A 50 °C - 10 s for power circuit60 A 50 °C - 30 s for power circuit45 A 50 °C - 1 min for power circuit40 A 50 °C - 3 min for power circuit20 A 50 °C - >= 15 min for power circuit associated fuse rating25 A gG at <= 440 V for power circuit10 A gG for signalling circuit conforming to IEC 6094710 A gG for signalling circuit conforming to VDE 0660 average impedance3 mOhm - Ith 20 A 50 Hz for power circuit [Ui] rated insulation voltagePower circuit: 690 V conforming to IEC 60947-4-1Signalling circuit: 690 V conforming to IEC 60947-4-1Signalling circuit: 690 V conforming to IEC 60947-5-1Power circuit: 750 V conforming to VDE 0110 group CPower circuit: 690 V conforming to BS 5424Power circuit: 690 V conforming to NF C 20-040 inrush power in W1.8 W (at 20 °C) hold-in power consumption in W1.8 W at 20 °C heat dissipation1.8 W control circuit voltage limitsOperational: 0.7...1.3 Uc (at <50 °C)Drop-out: >= 0.10 Uc (at <50 °C) connections - terminalsPower circuit: lugs-ring terminals (external diameter: 7 mm) maximum operating rate3600 cyc/h coil technologyWith integral suppression device mounting supportRailPlate tightening torquePower circuit: 1.3 N.m - on lugs-ring terminals - with screwdriver flat Ø 6 mm3.2 mmPower circuit: 1.3 N.m - on lugs-ring terminals - with screwdriver Philips No 23.2 mm operating time10...20 ms coil de-energisation and NO opening30...40 ms coil energisation and NO closing safety reliability levelB10d = 1369863 cycles contactor with nominal load conforming to EN/ISO 13849-1B10d = 20000000 cycles contactor with mechanical load conforming to EN/ISO 13849-1 mechanical durability30 Mcycles electrical durability0.18 Mcycles 20 A AC-1 at Ue <= 440 V mechanical robustnessShocks contactor closed, on X axis: 10 Gn for 11 ms conforming to IEC 60068-2-27Shocks contactor closed, on Y axis: 15 Gn for 11 ms conforming to IEC 60068-2-27Shocks contactor closed, on Z axis: 15 Gn for 11 ms conforming to IEC 60068-2-27Shocks contactor opened, on X axis: 6 Gn for 11 ms conforming to IEC 60068-2-27Shocks contactor opened, on Y axis: 10 Gn for 11 ms conforming to IEC 60068-2-27Shocks contactor opened, on Z axis: 10 Gn for 11 ms conforming to IEC 60068-2-27Vibrations contactor closed: 4 Gn, 5...300 Hz conforming to IEC 60068-2-6Vibrations contactor opened: 2 Gn, 5...300 Hz conforming to IEC 60068-2-6 height58 mm width45 mm depth57 mm net weight0.235 kg Environment standardsBS 5424IEC 60947NF C 63-110VDE 0660IEC 60077-1IEC 60077-2EN 45545: R22 HL3EN/IEC 60947-4-1EN/IEC 60947-5-1UL 60947-4-1CSA C22.2 No 60947-4-1 product certificationsULIECEACCSACCC IP degree of protectionIP20 conforming to VDE 0106 protective treatmentTC conforming to IEC 60068TC conforming to DIN 50016 ambient air temperature for storage-50…80 °C permissible ambient air temperature around the device-40…70 °C at Uc operating altitude2000 m without derating flame retardanceV0 conforming to UL 94 Packing Units Unit Type of Package 1PCE Number of Units in Package 11 Package 1 Weight240 g Package 1 Height5.7 cm Package 1 width4.8 cm Package 1 Length6.2 cm Offer Sustainability Sustainable offer statusGreen Premium product REACh free of SVHCYes EU RoHS DirectiveCompliant
EU RoHS Declaration
Toxic heavy metal freeYes Mercury freeYes RoHS exemption information China RoHS RegulationChina RoHS declaration
Pro-active China RoHS declaration (out of China RoHS legal scope)
Environmental Disclosure Circularity Profile WEEEThe product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins
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