SchneiderContactors and Protection Relays

LC1D18B7TQ

Name: LC1D18B7TQ
Brand: Schneider
SKU: LC1D18B7TQ

The LC1D18B7TQ is a reliable 3-pole power contactor from Schneider Electric, suitable for industrial applications.

Product ModelLC1D18B7TQ

Product ID31505

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
FeatureHigh reliability and durability for industrial use.
2
FeatureEfficient 3-pole operation at 400V and 18A.
3
FeatureEasy installation with screw terminals.
4
FeatureCompact design for space-saving installations.
5
FeatureCompliant with AC-3/AC-3e standards for safety and performance.

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

Resistive loadMotor control

Utilisation category

AC-1AC-3AC-3e

[Ue] rated operational voltage

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

[Ie] rated operational current

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

[Uc] control circuit voltage

24 V AC 50/60 Hz

Motor power kW

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-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)4 kW at 400 V AC 50/60 Hz (AC-4)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 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)

Maximum Horse Power Rating

1 hp at 115 V AC 50/60 Hz for 1 phase motors conforming to UL1 hp at 115 V AC 50/60 Hz for 1 phase motors conforming to CSA10 hp at 460/480 V AC 50/60 Hz for 3 phase motors conforming to CSA10 hp at 460/480 V AC 50/60 Hz for 3 phase motors conforming to UL15 hp at 575/600 V AC 50/60 Hz for 3 phase motors conforming to CSA15 hp at 575/600 V AC 50/60 Hz for 3 phase motors conforming to UL5 hp at 200/208 V AC 50/60 Hz for 3 phase motors conforming to CSA5 hp at 200/208 V AC 50/60 Hz for 3 phase motors conforming to UL3 hp at 230...240 V AC 50/60 Hz for 1 phase motors conforming to CSA3 hp at 230...240 V AC 50/60 Hz for 1 phase motors conforming to UL5 hp at 230...240 V AC 50/60 Hz for 3 phase motors conforming to CSA5 hp at 230...240 V AC 50/60 Hz for 3 phase motors conforming to UL

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

Irms rated making capacity

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

Rated breaking capacity

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

Associated fuse rating

10 A gG for control circuit conforming to IEC 60947-5-135 A at <= 690 V coordination type 2 for power circuit50 A at <= 690 V coordination type 1 for power circuit

Average impedance

2.5 mOhm - Ith 32 A 50 Hz for power circuit

Power dissipation per pole

0.8 W AC-32.5 W AC-10.8 W AC-3e

[Ui] rated insulation voltage

Control circuit 600 V CSAControl circuit 600 V ULPower circuit 600 V CSAPower circuit 600 V ULControl circuit 690 V IEC 60947-4-1Power circuit 690 V IEC 60947-4-1

Overvoltage category

III

[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

15000000 cycles

Control circuit type

AC 50/60 Hz

Coil technology

Without built-in bidirectional peak limiting diode suppressor

Control circuit voltage limits

0.3...0.6 Uc 140 °F (60 °C) drop-out AC 50/60 Hz0.8...1.1 Uc 140 °F (60 °C) operational AC 50 Hz0.85...1.1 Uc 140 °F (60 °C) operational AC 60 Hz

Inrush power in VA

70 VA cos phi 0.75 (at 68 °F (20 °C))

Hold-in power consumption in VA

7 VA 50/60 Hz cos phi 0.3 (at 68 °F (20 °C))

Heat dissipation

2...3 W at 50/60 Hz for control circuit

Operating time

4...19 ms opening12...22 ms closing

Maximum operating rate

3600 cyc/h 140 °F (60 °C)

Connections - terminals

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

Tightening torque

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

Auxiliary contact composition

1 NO + 1 NC

Minimum switching voltage

17 V for control circuit

Minimum switching current

5 mA for control circuit

Insulation resistance

> 10 MOhm for control circuit

Non-overlap time

1.5 ms on de-energisation between NC and NO contacts1.5 ms on energisation between NC and NO contacts

Mounting Support

PlateRail

Standards

EN/IEC 60947-5-1EN/IEC 60947-4-1CSA C22.2 No 14UL 508IEC 60335-1

Product Certifications

CSAULBVGOSTGLLROS (Lloyds register of shipping)RINACCCDNVUKCA

IP degree of protection

IP2X IEC 60529IP2X VDE 0106

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

23...140 °F (-5...60 °C)-40...158 °F (-40...70 °C) at Uc

Operating altitude

9842.52 ft (3000 m) without derating

Fire resistance

1562 °F (850 °C) IEC 60695-2-1

Flame retardance

V1 conforming to UL 94

Mechanical robustness

Shocks contactor opened 10 Gn for 11 ms) Shocks contactor closed 15 Gn for 11 ms) Vibrations contactor opened 2 Gn, 5...300 Hz) Vibrations contactor closed 4 Gn, 5...300 Hz)

Height

3.03 in (77 mm)

Width

1.8 in (45 mm)

Depth

3.4 in (86 mm)

Net Weight

7.3 lb(US) (3.3 kg)

Quantity per Set

Set of 10