LC1D18B7 TeSys D contactor 3P 3 NO AC-3 lc1d18b7 image web
LC1D18E7 | TeSys D contactor - 3P(3 NO) - AC-3 - <= 440 V 18 A - 48 V AC coil - Schneider Electric Original price was: ₹4,620.00.Current price is: ₹2,217.60. Excl. GST
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LC1D18FD TeSys D contactor 3P 3 NO AC-3 lc1d18fd image 1500x1500
LC1D18FD | TeSys D contactor - 3P(3 NO) - AC-3 - <= 440 V 18 A - 110 V DC coil - Schneider Electric Original price was: ₹6,585.00.Current price is: ₹2,963.25. Excl. GST
-63%
LC1D18B7 TeSys D contactor 3P 3 NO AC-3 lc1d18b7 image web
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LC1D18F7 | TeSys D contactor – 3P(3 NO) – AC-3 – <= 440 V 18 A - 110 V AC coil - Schneider Electric

SKU: LC1D18F7

Original price was: ₹4,230.00.Current price is: ₹1,565.10. Excl. GST

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    Looking for the LC1D18F7 | TeSys D contactor – 3P(3 NO) – AC-3 – <= 440 V 18 A - 110 V AC coil? This genuine Schneider Electric contactor from the TeSys Deca range is built for motor control and switching, combining proven reliability with full compliance to applicable IEC/IS standards. Key ratings include 18 A, Power circuit: <= 690 V AC 25...400 Hz, 3P. Order part number LC1D18F7 from myelectric.in — a trusted Schneider Electric supplier offering competitive pricing, GST billing, and shipping across India and overseas.

    📋 Technical Specifications

    Product
    BrandSchneider Electric
    Part Number / SKULC1D18F7
    CategoryContactor
    Main
    Range of productTeSys Deca
    Product or component typeContactor
    Device short nameLC1D
    Contactor applicationMotor control
    Resistive load
    Utilisation categoryAC-3
    AC-3e
    AC-1
    AC-4
    Poles description3P
    [Ue] rated operational voltagePower circuit: <= 690 V AC 25…400 Hz
    Power circuit: <= 300 V DC
    [Ie] rated operational current18 A (at <60 °C) at <= 440 V AC AC-3 for power circuit
    32 A (at <60 °C) at <= 440 V AC AC-1 for power circuit
    18 A (at <60 °C) at <= 440 V AC AC-3e for power circuit
    [Uc] control circuit voltage110 V AC 50/60 Hz
    Complementary
    Motor power kW4 kW at 220/230 V AC 50/60 Hz (AC-3)
    7.5 kW at 380/400 V AC 50/60 Hz (AC-3)
    9 kW at 415/440 V AC 50/60 Hz (AC-3)
    10 kW at 500 V AC 50/60 Hz (AC-3)
    10 kW at 660/690 V AC 50/60 Hz (AC-3)
    4 kW at 220/230 V AC 50/60 Hz (AC-3e)
    7.5 kW at 380/400 V AC 50/60 Hz (AC-3e)
    9 kW at 415/440 V AC 50/60 Hz (AC-3e)
    10 kW at 500 V AC 50/60 Hz (AC-3e)
    10 kW at 660/690 V AC 50/60 Hz (AC-3e)
    4 kW at 400 V AC 50/60 Hz (AC-4)
    Motor power hp1 hp at 115 V AC 50/60 Hz for 1 phase motors
    3 hp at 230/240 V AC 50/60 Hz for 1 phase motors
    5 hp at 200/208 V AC 50/60 Hz for 3 phases motors
    5 hp at 230/240 V AC 50/60 Hz for 3 phases motors
    10 hp at 460/480 V AC 50/60 Hz for 3 phases motors
    15 hp at 575/600 V AC 50/60 Hz for 3 phases motors
    Compatibility codeLC1D
    Pole contact composition3 NO
    Protective coverWith
    [Ith] conventional free air thermal current10 A (at 60 °C) for signalling circuit
    32 A (at 60 °C) for power circuit
    Irms rated making capacity140 A AC for signalling circuit conforming to IEC 60947-5-1
    250 A DC for signalling circuit conforming to IEC 60947-5-1
    300 A at 440 V for power circuit conforming to IEC 60947
    Rated breaking capacity300 A at 440 V for power circuit conforming to IEC 60947
    [Icw] rated short-time withstand current145 A 40 °C – 10 s for power circuit
    240 A 40 °C – 1 s for power circuit
    40 A 40 °C – 10 min for power circuit
    84 A 40 °C – 1 min for power circuit
    100 A – 1 s for signalling circuit
    120 A – 500 ms for signalling circuit
    140 A – 100 ms for signalling circuit
    Associated fuse rating10 A gG for signalling circuit conforming to IEC 60947-5-1
    50 A gG at <= 690 V coordination type 1 for power circuit
    35 A gG at <= 690 V coordination type 2 for power circuit
    Average impedance2.5 mOhm – Ith 32 A 50 Hz for power circuit
    Power dissipation per pole2.5 W AC-1
    0.8 W AC-3
    0.8 W AC-3e
    [Ui] rated insulation voltagePower circuit: 690 V conforming to IEC 60947-4-1
    Power circuit: 600 V CSA certified
    Power circuit: 600 V UL certified
    Signalling circuit: 690 V conforming to IEC 60947-1
    Signalling circuit: 600 V CSA certified
    Signalling circuit: 600 V UL certified
    Overvoltage categoryIII
    Pollution degree3
    [Uimp] rated impulse withstand voltage6 kV conforming to IEC 60947
    Safety reliability levelB10d = 1369863 cycles contactor with nominal load conforming to EN/ISO 13849-1
    B10d = 20000000 cycles contactor with mechanical load conforming to EN/ISO 13849-1
    Mechanical durability15 Mcycles
    Electrical durability1.65 Mcycles 18 A AC-3 at Ue <= 440 V
    1 Mcycles 32 A AC-1 at Ue <= 440 V
    1.65 Mcycles 18 A AC-3e at Ue <= 440 V
    Control circuit typeAC at 50/60 Hz standard
    Coil technologyWithout built-in suppressor module
    Control circuit voltage limits0.3…0.6 Uc (-40…70 °C):drop-out AC 50/60 Hz
    0.8…1.1 Uc (-40…60 °C):operational AC 50 Hz
    0.85…1.1 Uc (-40…60 °C):operational AC 60 Hz
    1…1.1 Uc (60…70 °C):operational AC 50/60 Hz
    Inrush power in VA70 VA 60 Hz cos phi 0.75 (at 20 °C)
    70 VA 50 Hz cos phi 0.75 (at 20 °C)
    Hold-in power consumption in VA7.5 VA 60 Hz cos phi 0.3 (at 20 °C)
    7 VA 50 Hz cos phi 0.3 (at 20 °C)
    Heat dissipation2…3 W at 50/60 Hz
    Operating time12…22 ms closing
    4…19 ms opening
    Maximum operating rate3600 cyc/h at 60 °C
    Connections – terminalsControl circuit: screw clamp terminals 1 1…4 mm² – cable stiffness: flexible without cable end
    Control circuit: screw clamp terminals 2 1…4 mm² – cable stiffness: flexible without cable end
    Control circuit: screw clamp terminals 1 1…4 mm² – cable stiffness: flexible with cable end
    Control circuit: screw clamp terminals 2 1…2.5 mm² – cable stiffness: flexible with cable end
    Control circuit: screw clamp terminals 1 1…4 mm² – cable stiffness: solid without cable end
    Control circuit: screw clamp terminals 2 1…4 mm² – cable stiffness: solid without cable end
    Power circuit: screw clamp terminals 1 1.5…6 mm² – cable stiffness: flexible without cable end
    Power circuit: screw clamp terminals 2 1.5…6 mm² – cable stiffness: flexible without cable end
    Power circuit: screw clamp terminals 1 1…6 mm² – cable stiffness: flexible with cable end
    Power circuit: screw clamp terminals 2 1…4 mm² – cable stiffness: flexible with cable end
    Power circuit: screw clamp terminals 1 1.5…6 mm² – cable stiffness: solid without cable end
    Power circuit: screw clamp terminals 2 1.5…6 mm² – cable stiffness: solid without cable end
    Tightening torquePower circuit: 1.7 N.m – on screw clamp terminals – with screwdriver flat Ø 6 mm
    Power circuit: 1.7 N.m – on screw clamp terminals – with screwdriver Philips No 2
    Control circuit: 1.7 N.m – on screw clamp terminals – with screwdriver flat Ø 6 mm
    Control circuit: 1.7 N.m – on screw clamp terminals – with screwdriver Philips No 2
    Control circuit: 1.7 N.m – on screw clamp terminals – with screwdriver pozidriv No 2
    Power circuit: 1.7 N.m – on screw clamp terminals – with screwdriver pozidriv No 2
    Auxiliary contact composition1 NO + 1 NC
    Auxiliary contacts typetype mechanically linked 1 NO + 1 NC conforming to IEC 60947-5-1
    type mirror contact 1 NC conforming to IEC 60947-4-1
    Signalling circuit frequency25…400 Hz
    Minimum switching voltage17 V for signalling circuit
    Minimum switching current5 mA for signalling circuit
    Insulation resistance> 10 MOhm for signalling circuit
    Non-overlap time1.5 ms on de-energisation between NC and NO contact
    1.5 ms on energisation between NC and NO contact
    Mounting supportPlate
    Rail
    Environment
    StandardsCSA C22.2 No 14
    EN 60947-4-1
    EN 60947-5-1
    IEC 60947-4-1
    IEC 60947-5-1
    UL 60947-4-1
    IEC 60335-1:Clause 30.2
    IEC 60335-2-40:Annex JJ
    UL 60335-2-40:Annex JJ
    CSA C22.2 No 60947-4-1
    Product certificationsUL
    CCC
    CSA
    Marine
    UKCA
    EAC
    CB Scheme
    IP degree of protectionIP20 front face conforming to IEC 60529
    Protective treatmentTH conforming to IEC 60068-2-30
    Climatic withstandconforming to IACS E10 exposure to damp heat
    conforming to IEC 60947-1 Annex Q category D exposure to damp heat
    Permissible ambient air temperature around the device-40…60 °C
    60…70 °C with derating
    Operating altitude0…3000 m
    Fire resistance850 °C conforming to IEC 60695-2-1
    Flame retardanceV1 conforming to UL 94
    Mechanical robustnessVibrations contactor open (2 Gn, 5…300 Hz)
    Vibrations contactor closed (4 Gn, 5…300 Hz)
    Shocks contactor open (10 Gn for 11 ms)
    Shocks contactor closed (15 Gn for 11 ms)
    Height77 mm
    Width45 mm
    Depth86 mm
    Product weight0.33 kg
    Packing Units
    Unit Type of Package 1PCE
    Number of Units in Package 11
    Package 1 Height5.200 cm
    Package 1 Width9.200 cm
    Package 1 Length11.200 cm
    Package 1 Weight346.000 g
    Unit Type of Package 2S02
    Number of Units in Package 220
    Package 2 Height15.000 cm
    Package 2 Width30.000 cm
    Package 2 Length40.000 cm
    Package 2 Weight7.520 kg
    Unit Type of Package 3P06
    Number of Units in Package 3320
    Package 3 Height80.000 cm
    Package 3 Width80.000 cm
    Package 3 Length60.000 cm
    Package 3 Weight129.300 kg
    Contractual warranty
    Warranty (in months)18

    ⚡ Key Features

    • 18 A AC-3 rated — suits up to a 11 kW squirrel-cage induction motor at 415V for direct-on-line (DOL) starting and running.
    • 110V AC coil — connects directly to pushbutton station, PLC digital output, or timer relay; suitable for standard 50Hz Indian industrial control circuits.
    • 3 Poles main contacts with silver-alloy (AgSnO₂) tips — rated for AC-3 duty (DOL motor starting/stopping); low contact resistance reduces heat at rated current.
    • Main contacts rated up to 440V AC — compatible with 415V AC three-phase Indian supply and 480V AC North American systems.
    • TeSys D series — world-standard contactor footprint; clip-on LA1D/LA4D auxiliary contact blocks and accessories attach without tools; compatible with TeSys LRD overload relays for direct-mount DOL starters.
    • Manufactured to IEC 60947-4-1 / IS 13947-4-1 — complies with the applicable Indian BIS and IEC international standards for this product category.
    • BIS certified, CE marked, RoHS compliant — meets Indian regulatory requirements for use in government, commercial, and industrial electrical installations.
    • Genuine authorised Schneider Electric product — sourced directly from the official distribution network with full manufacturer traceability and warranty.
    • GST invoice provided for India orders — valid for corporate procurement, government project orders, and public tender supply via myelectric.in.
    • Worldwide export available — UAE, Singapore, UK, USA, Sri Lanka & more. Contact +91 94814 00316 for bulk pricing and international shipping.

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    ❓ Frequently Asked Questions

    Q: Is the LC1D18F7 rated 18 A for AC-3 motor duty or AC-1 resistive duty?

    A: The 18 A rating of this Schneider Electric contactor applies to AC-3 duty (squirrel cage motor starting and running). For AC-1 (resistive/non-inductive) loads, the current can be up to ~1.3× the AC-3 rating. AC-4 (plugging/reversing) requires significant de-rating — consult the Schneider Electric selection table.

    Q: The LC1D18F7 has a coil voltage of 110V AC — what control supply is needed?

    A: This Schneider Electric device requires a 110V AC control supply connected to the coil terminals (A1 and A2). For AC coils, ensure the control circuit voltage is stable — voltage drops below 85% of rated coil voltage can cause chatter and coil overheating. Always fit a surge suppressor across the coil when switching with a PLC or solid-state relay.

    Q: What circuit can the 3 NO (Normally Open) contacts of the LC1D18F7 switch at 440V AC?

    A: The 3 NO (Normally Open) contacts on the LC1D18F7 are rated for switching at up to 440V AC. These auxiliary contacts are typically used for: (1) indication lamps and buzzers, (2) PLC input feedback to confirm device state, (3) interlocking with other contactors or relays in control circuits. Check the current rating of the auxiliary contact (typically 10A at 250V AC) — do not use for power load switching.

    Q: Can the LC1D18F7 be used for reversing duty (forward/reverse motor control)?

    A: Contactors used for reversing must be wired with two contactors interlocked so only one can energise at a time. The Schneider Electric series provides mechanical interlock kits that physically prevent both contactors from closing simultaneously — mandatory for reversing and brake applications to prevent phase-to-phase short circuits.

    Q: Can multiple LC1D18F7 contactors be wired for star-delta starting?

    A: Yes. Star-delta starters use three contactors: main (KM1), star (KM2), and delta (KM3). The Schneider Electric contactor series supports mechanical and electrical interlocking accessories that prevent simultaneous energisation of star and delta contactors — critical for safety. Ensure all three contactors are rated correctly for the motor FLC and star-delta transition current.

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