SchneiderContactors and Protection Relays

LC1D123U7

Name: LC1D123U7
Brand: Schneider
SKU: LC1D123U7

The LC1D123U7 contactor is a 3-pole, 3 NO contactor designed for motor control applications, ensuring reliable and efficient operation.

Product ModelLC1D123U7

Product ID31357

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
FeatureReliable motor control for various applications
2
FeatureEfficient operation with high performance
3
FeatureCompact design for easy installation
4
FeatureCompliance with IEC 60947-5-1 standards
5
Feature2-year warranty for added peace of mind

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Range

TeSys

Range of Product

TeSys Deca

Product or Component Type

Contactor

Device short name

LC1D

Contactor application

Resistive loadMotor control

Utilisation category

AC-1AC-3AC-4AC-3e

[Ue] rated operational voltage

Power circuit <= 690 V AC 25...400 HzPower circuit <= 300 V DC

[Ie] rated operational current

16 A (at <140 °F (60 °C)) at <= 440 V AC AC-1 for power circuit12 A (at <140 °F (60 °C)) at <= 440 V AC AC-3 for power circuit12 A (at <140 °F (60 °C)) at <= 440 V AC AC-3e for power circuit

[Uc] control circuit voltage

240 V AC 50/60 Hz

Motor power kW

3 kW at 220...230 V AC 50/60 Hz (AC-3)5.5 kW at 380...400 V AC 50/60 Hz (AC-3)5.5 kW at 415...440 V AC 50/60 Hz (AC-3)7.5 kW at 500 V AC 50/60 Hz (AC-3)7.5 kW at 660...690 V AC 50/60 Hz (AC-3)3.7 kW at 400 V AC 50/60 Hz (AC-4)

Maximum Horse Power Rating

0.5 hp at 115 V AC 50/60 Hz for 1 phase motors2 hp at 230/240 V AC 50/60 Hz for 1 phase motors3 hp at 200/208 V AC 50/60 Hz for 3 phase motors3 hp at 230/240 V AC 50/60 Hz for 3 phase motors7.5 hp at 460/480 V AC 50/60 Hz for 3 phase motors10 hp at 575/600 V AC 50/60 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 circuit16 A (at 140 °F (60 °C)) for power circuit

Irms rated making capacity

250 A at 440 V for power circuit conforming to IEC 60947140 A AC for signalling circuit conforming to IEC 60947-5-1250 A DC for signalling circuit conforming to IEC 60947-5-1

Rated breaking capacity

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

[Icw] rated short-time withstand current

105 A 104 °F (40 °C) - 10 s for power circuit210 A 104 °F (40 °C) - 1 s for power circuit30 A 104 °F (40 °C) - 10 min for power circuit61 A 104 °F (40 °C) - 1 min for power circuit100 A - 1 s for signalling circuit120 A - 500 ms for signalling circuit140 A - 100 ms for signalling circuit

Associated fuse rating

10 A gG for signalling circuit conforming to IEC 60947-5-140 A gG at <= 690 V coordination type 1 for power circuit25 A gG at <= 690 V coordination type 2 for power circuit

Average impedance

2.5 mOhm - Ith 16 A 50 Hz for power circuit

Power dissipation per pole

0.36 W AC-31.56 W AC-1

[Ui] rated insulation voltage

Power circuit 690 V IEC 60947-4-1Power circuit 600 V CSAPower circuit 600 V ULSignalling circuit 690 V IEC 60947-1Signalling circuit 600 V CSASignalling circuit 600 V UL

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 Mcycles 12 A AC-3 <= 440 V0.8 Mcycles 25 A AC-1 <= 440 V

Control circuit type

AC 50/60 Hz

Coil technology

Without built-in suppressor module

Control circuit voltage limits

0.3...0.6 Uc -40...158 °F (-40...70 °C) drop-out AC 50/60 Hz0.8...1.1 Uc -40...140 °F (-40...60 °C) operational AC 50 Hz0.85...1.1 Uc -40...140 °F (-40...60 °C) operational AC 60 Hz1...1.1 Uc 140...158 °F (60...70 °C) operational AC 50/60 Hz

Inrush power in VA

70 VA 60 Hz cos phi 0.75 (at 68 °F (20 °C))70 VA 50 Hz cos phi 0.75 (at 68 °F (20 °C))

Hold-in power consumption in VA

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

Heat dissipation

2...3 W at 50/60 Hz

Operating time

12...22 ms closing4...19 ms opening

Maximum operating rate

3600 cyc/h 140 °F (60 °C)

Connections - terminals

Power circuit: spring terminals 1 0.004 inÂ² (2.5 mmÂ²) - cable stiffness: flexible without cable endPower circuit: spring terminals 2 0.004 inÂ² (2.5 mmÂ²) - cable stiffness: flexible without cable endControl circuit: spring terminals 1 0.004 inÂ² (2.5 mmÂ²) - cable stiffness: flexible without cable endControl circuit: spring terminals 2 0.004 inÂ² (2.5 mmÂ²) - cable stiffness: flexible without cable end

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

RailPlate

Standards

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

Product Certifications

LROS (Lloyds register of shipping)BVCCCGOSTCSARINAULGLDNV

IP degree of protection

IP20 front face IEC 60529

Protective treatment

THIEC 60068-2-30

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

3.9 in (99 mm)

Width

1.8 in (45 mm)

Depth

3.4 in (86 mm)

Net Weight

0.717 lb(US) (0.325 kg)