SchneiderContactors and Protection Relays

LC1D18KUE

Name: LC1D18KUE
Brand: Schneider
SKU: LC1D18KUE

The Schneider Electric LC1D18KUE is a reliable and efficient 3 pole contactor for industrial applications.

Product ModelLC1D18KUE

Product ID31528

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
FeatureHigh-performance contactor for industrial applications
2
FeatureRated for 18 AMPS AC-3 and 32 AMPS AC-1
3
FeatureOperates at 100-250V AC/DC
4
FeatureCompliant with UL and IEC standards
5
FeatureVersatile with optional LADN and LRD features

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Range

TeSysTeSys Deca

Range of Product

TeSys Deca

Product or Component Type

Contactor

Device short name

LC1D

Contactor application

Motor controlResistive load

Utilisation category

AC-1AC-3AC-3e

[Ue] rated operational voltage

Power circuit <= 690 V AC 25...400 Hz

[Ie] rated operational current

18 A (at <140 °F (60 °C)) at <= 440 V AC-3 for power circuit32 A (at <140 °F (60 °C)) at <= 440 V AC-1 for power circuit18 A (at <140 °F (60 °C)) at <= 440 V AC-3e for power circuit

[Uc] control circuit voltage

100...250 V AC 50/60 Hz100...250 V DC

Motor power kW

4 kW at 220...230 V AC 50 Hz (AC-3)7.5 kW at 380...400 V AC 50 Hz (AC-3)9 kW at 415 V AC 50 Hz (AC-3)9 kW at 440 V AC 50 Hz (AC-3)10 kW at 500 V AC 50 Hz (AC-3)10 kW at 660...690 V AC 50 Hz (AC-3)4 kW at 220...230 V AC 50 Hz (AC-3e)7.5 kW at 380...400 V AC 50 Hz (AC-3e)9 kW at 415 V AC 50 Hz (AC-3e)9 kW at 440 V AC 50 Hz (AC-3e)10 kW at 500 V AC 50 Hz (AC-3e)10 kW at 660...690 V AC 50 Hz (AC-3e)

Maximum Horse Power Rating

1 hp at 115 V AC 60 Hz for 1 phase motors3 hp at 230/240 V AC 60 Hz for 1 phase motors5 hp at 200/208 V AC 60 Hz for 3 phase motors5 hp at 230/240 V AC 60 Hz for 3 phase motors10 hp at 460/480 V AC 60 Hz for 3 phase motors15 hp at 575/600 V AC 60 Hz for 3 phase motors

compatibility code

LC1D

Pole contact composition

3 NO

Protective cover

With

[Ith] conventional free air thermal current

10 A (at 140 °F (60 °C)) for signalling circuit32 A (at 140 °F (60 °C)) for power circuit

Irms rated making capacity

140 A AC for signalling circuit conforming to IEC 60947-5-1250 A DC for signalling circuit conforming to IEC 60947-5-1300 A at 440 V for power circuit conforming to IEC 60947

Rated breaking capacity

300 A at 440 V for power circuit conforming to IEC 60947

[Icw] rated short-time withstand current

100 A - 1 s for signalling circuit120 A - 500 ms for signalling circuit140 A - 100 ms for signalling circuit40 A 104 °F (40 °C) - 10 min for power circuit84 A 104 °F (40 °C) - 1 min for power circuit145 A 104 °F (40 °C) - 10 s for power circuit240 A 104 °F (40 °C) - 1 s for power circuit

Associated fuse rating

10 A gG for signalling circuit conforming to IEC 60947-5-150 A gG at <= 690 V coordination type 1 for power circuit35 A gG at <= 690 V coordination type 2 for power circuit

Average impedance

2.5 mOhm - Ith 32 A 50 Hz for power circuit

Power dissipation per pole

2.5 W AC-10.8 W AC-30.8 W AC-3e

[Ui] rated insulation voltage

Power circuit 690 V IEC 60947-4-1Signalling circuit 690 V IEC 60947-1

Overvoltage category

III

Pollution degree

[Uimp] rated impulse withstand voltage

6 kV IEC 60947

Safety reliability level

B10d = 1369863 cycles contactor with nominal load EN/ISO 13849-1B10d = 20000000 cycles contactor with mechanical load EN/ISO 13849-1

Mechanical durability

15 Mcycles

Electrical durability

2.2 Mcycles 15 A AC-3 <= 440 V0.9 Mcycles 32 A AC-1 <= 440 V2.2 Mcycles 15 A AC-3e <= 440 V

Control circuit type

AC/DC 50/60 Hz AC/DC electronic

Coil technology

Built-in bidirectional peak limiting

Control circuit voltage limits

<= 0.1 Uc -40...158 °F (-40...70 °C) drop-out AC/DC0.85...1.1 Uc -40...140 °F (-40...60 °C) operational AC/DC1...1.1 Uc 140...158 °F (60...70 °C) operational AC/DC

Inrush power in VA

25 VA 50/60 Hz (at 68 °F (20 °C))

Inrush power in W

18 W 68 °F (20 °C))

Hold-in power consumption in VA

1.6 VA 50/60 Hz (at 68 °F (20 °C))

Hold-in power consumption in W

1.1 W 68 °F (20 °C)

Heat dissipation

1.1 W at 50/60 Hz

Operating time

45...55 ms closing20...90 ms opening

Maximum operating rate

3600 cyc/h at 60 °C

Connections - terminals

Control circuit: screw clamp terminals 1 0.002...0.006 inÂ² (1...4 mmÂ²) - cable stiffness: flexible without cable endControl circuit: screw clamp terminals 2 0.002...0.006 inÂ² (1...4 mmÂ²) - cable stiffness: flexible without cable endControl circuit: screw clamp terminals 1 0.002...0.006 inÂ² (1...4 mmÂ²) - cable stiffness: flexible with cable endControl circuit: screw clamp terminals 2 0.002...0.004 inÂ² (1...2.5 mmÂ²) - cable stiffness: flexible with cable endControl circuit: screw clamp terminals 1 0.002...0.006 inÂ² (1...4 mmÂ²) - cable stiffness: solidControl circuit: screw clamp terminals 2 0.002...0.006 inÂ² (1...4 mmÂ²) - cable stiffness: solidPower circuit: screw clamp terminals 1 0.002...0.009 inÂ² (1.5...6 mmÂ²) - cable stiffness: flexible without cable endPower circuit: screw clamp terminals 2 0.002...0.009 inÂ² (1.5...6 mmÂ²) - cable stiffness: flexible without cable endPower circuit: screw clamp terminals 1 0.002...0.009 inÂ² (1...6 mmÂ²) - cable stiffness: flexible with cable endPower circuit: screw clamp terminals 2 0.002...0.006 inÂ² (1...4 mmÂ²) - cable stiffness: flexible with cable endPower circuit: screw clamp terminals 1 0.002...0.009 inÂ² (1.5...6 mmÂ²) - cable stiffness: solidPower circuit: screw clamp terminals 2 0.002...0.009 inÂ² (1.5...6 mmÂ²) - cable stiffness: solid

Tightening torque

Control circuit 15.05 lbf.in (1.7 N.m) screw clamp terminals flat Ã 6 mmControl circuit 15.05 lbf.in (1.7 N.m) screw clamp terminals Philips No 2Power circuit 15.05 lbf.in (1.7 N.m) screw clamp terminals flat Ã 6 mmPower circuit 15.05 lbf.in (1.7 N.m) screw clamp terminals Philips No 2Power circuit 15.05 lbf.in (1.7 N.m) screw clamp terminals pozidriv No 2Control circuit 15.05 lbf.in (1.7 N.m) screw clamp terminals pozidriv No 2

Auxiliary contact composition

1 NO + 1 NC

Auxiliary contacts type

Mechanically linked 1 NO + 1 NC IEC 60947-5-1Mirror contact 1 NC IEC 60947-4-1

Signalling circuit frequency

25...400 Hz

Minimum switching voltage

17 V for signalling circuit

Minimum switching current

5 mA for signalling circuit

Insulation resistance

> 10 MOhm for signalling circuit

Non-overlap time

1.5 ms on de-energisation between NC and NO contact1.5 ms on energisation between NC and NO contact

Mounting Support

PlateRail

Standards

EN/IEC 60947-4-1EN/IEC 60947-5-1UL 60947-4-1CSA C22.2 No 60947-4-1IEC 60335-1

Product Certifications

CCCCSAEACULKCDNV-GLLROS (Lloyds register of shipping)UKCA

IP degree of protection

IP20 front face IEC 60529

Climatic withstand

IACS E10 exposure to damp heat IEC 60947-1 Annex Q category D exposure to damp heat

Permissible ambient air temperature around the device

-40...140 °F (-40...60 °C)140...158 °F (60...70 °C) with derating

Operating altitude

0...9842.52 ft (0...3000 m)

Fire resistance

1562 °F (850 °C) IEC 60695-2-1

Flame retardance

V1 conforming to UL 94

Mechanical robustness

Vibrations 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)

Height

3.03 in (77 mm)

Width

1.8 in (45 mm)

Depth

3.4 in (86 mm)

Net Weight

0.833 lb(US) (0.378 kg)