SchneiderContactors and Protection Relays

LC1D323U7

Name: LC1D323U7
Brand: Schneider
SKU: LC1D323U7

The LC1D323U7 TeSys Deca Contactor is a reliable and efficient 3-phase AC-3 contactor designed for various industrial applications.

Product ModelLC1D323U7

Product ID31712

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
FeatureHigh reliability and efficiency in 3-phase AC-3 applications.
2
FeatureFlexible control circuit with spring terminals and flexible cable stiffness.
3
Fast closing and opening times12...22 ms closing, 4...19 ms opening.
4
FeatureSuitable for a wide range of industrial applications, including those requiring high current ratings.
5
FeatureMeets stringent safety standards, including IEC 60695-2-1 and UL 94.

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

Motor controlResistive load

Utilisation category

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

[Ue] rated operational voltage

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

[Ie] rated operational current

32 A (at <140 °F (60 °C)) at <= 440 V AC AC-3 for power circuit50 A (at <140 °F (60 °C)) at <= 440 V AC AC-1 for power circuit32 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

7.5 kW at 220...230 V AC 50/60 Hz (AC-3)15 kW at 380...400 V AC 50/60 Hz (AC-3)15 kW at 415...440 V AC 50/60 Hz (AC-3)18.5 kW at 500 V AC 50/60 Hz (AC-3)18.5 kW at 660...690 V AC 50/60 Hz (AC-3)7.5 kW at 400 V AC 50/60 Hz (AC-4)

Maximum Horse Power Rating

2 hp at 115 V AC 50/60 Hz for 1 phase motors5 hp at 230/240 V AC 50/60 Hz for 1 phase motors10 hp at 200/208 V AC 50/60 Hz for 3 phase motors10 hp at 230/240 V AC 50/60 Hz for 3 phase motors20 hp at 460/480 V AC 50/60 Hz for 3 phase motors25 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 circuit50 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 60947-5-1550 A at 440 V for power circuit conforming to IEC 60947

Rated breaking capacity

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

[Icw] rated short-time withstand current

260 A 104 °F (40 °C) - 10 s for power circuit430 A 104 °F (40 °C) - 1 s for power circuit60 A 104 °F (40 °C) - 10 min for power circuit138 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 60947-5-163 A gG at <= 690 V coordination type 1 for power circuit63 A gG at <= 690 V coordination type 2 for power circuit

Average impedance

2 mOhm - Ith 50 A 50 Hz for power circuit

Power dissipation per pole

2 W AC-35 W AC-12 W AC-3e

[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

1.65 Mcycles 32 A AC-3 <= 440 V1.4 Mcycles 50 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

Control 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 endPower circuit: spring terminals 1 0.006 inÂ² (4 mmÂ²) - cable stiffness: flexible without cable endPower circuit: spring terminals 2 0.006 inÂ² (4 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

PlateRail

Standards

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

Product Certifications

RINACCCLROS (Lloyds register of shipping)DNVULGOSTBVCSAGL

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 closed 15 Gn for 11 ms) Shocks contactor open 8 Gn for 11 ms)

Height

3.9 in (99 mm)

Width

1.8 in (45 mm)

Depth

3.6 in (92 mm)

Net Weight

0.827 lb(US) (0.375 kg)