SchneiderContactors and Protection Relays

LC1D50SD

Name: LC1D50SD
Brand: Schneider
SKU: LC1D50SD

The LC1D50SD contactor is a high-performance, 3-pole AC-3 device with a 50 A coil at 440V, suitable for various motor control applications.

Product ModelLC1D50SD

Product ID32446

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
FeatureHigh-performance motor control for demanding applications
2
Feature3-pole AC-3 design for reliability and efficiency
3
Feature50 A coil at 440V for robust operation
4
FeatureRigid cable stiffness for secure connections
5
FeatureFast opening and closing times for precise control

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-2AC-1AC-4AC-3

[Ue] rated operational voltage

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

[Ie] rated operational current

50 A (at <140 °F (60 °C)) at <= 440 V AC AC-3 for power circuit80 A (at <140 °F (60 °C)) at <= 440 V AC AC-1 for power circuit

[Uc] control circuit voltage

72 V DC

Motor power kW

22 kW at 380...400 V AC 50 Hz25 kW at 415 V AC 50 Hz30 kW at 440 V AC 50 Hz30 kW at 500 V AC 50 Hz33 kW at 660...690 V AC 50 Hz15 kW at 220...230 V AC 50 Hz30 kW at 1000 V AC 50 Hz

Maximum Horse Power Rating

3 hp at 115 V AC 60 Hz for 1 phase motors7.5 hp at 230/240 V AC 60 Hz for 1 phase motors15 hp at 200/208 V AC 60 Hz for 3 phase motors15 hp at 230/240 V AC 60 Hz for 3 phase motors40 hp at 460/480 V AC 60 Hz for 3 phase motors40 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 control circuit80 A (at 140 °F (60 °C)) for power circuit

Irms rated making capacity

250 A DC for control circuit conforming to IEC 60947-5-1900 A at 440 V for power circuit conforming to IEC 60947

Rated breaking capacity

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

Associated fuse rating

10 A gG for control circuit conforming to IEC 60947-5-1100 A gG at <= 690 V coordination type 1 for power circuit100 A gG at <= 690 V coordination type 2 for power circuit

Power dissipation per pole

3.7 W AC-39.6 W AC-1

[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 60947-1Power circuit 690 V IEC 60947-1

Overvoltage category

III

[Uimp] rated impulse withstand voltage

8 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

10000000 cycles

Control circuit type

DC standard

Coil technology

Built-in bidirectional peak limiting diode suppressor

Control circuit voltage limits

0.1...0.3 Uc -40...158 °F (-40...70 °C) drop-out DC0.75...1.25 Uc -40...140 °F (-40...60 °C) operational DC1...1.25 Uc 140...158 °F (60...70 °C) operational DC

Inrush power in W

19 W 68 °F (20 °C))

Hold-in power consumption in W

7.4 W 68 °F (20 °C)

Operating time

20 ms opening50 ms closing

Time constant

34 ms

Maximum operating rate

3600 cyc/h 140 °F (60 °C)

Connections - terminals

Control circuit: screw clamp terminals 1 0.002...0.006 inÂ² (1...4 mmÂ²) - cable stiffness: rigidControl circuit: screw clamp terminals 2 0.002...0.006 inÂ² (1...4 mmÂ²) - cable stiffness: rigidControl 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...0.004 inÂ² (1...2.5 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 endPower circuit: screw terminals 1 0.004...0.04 inÂ² (2.5...25 mmÂ²) - cable stiffness: rigidPower circuit: screw terminals 2 0.004...0.02 inÂ² (2.5...16 mmÂ²) - cable stiffness: rigidPower circuit: screw terminals 1 0.004...0.04 inÂ² (2.5...25 mmÂ²) - cable stiffness: flexible without cable endPower circuit: screw terminals 2 0.004...0.02 inÂ² (2.5...16 mmÂ²) - cable stiffness: flexible without cable endPower circuit: screw terminals 1 0.004...0.04 inÂ² (2.5...25 mmÂ²) - cable stiffness: flexible with cable endPower circuit: screw terminals 2 0.004...0.02 inÂ² (2.5...10 mmÂ²) - cable stiffness: flexible with cable end

Tightening torque

Control circuit 15.05 lbf.in (1.7 N.m) screw clamp terminal flat Ã 6 mmControl circuit 15.05 lbf.in (1.7 N.m) screw clamp terminal Philips No 2Power circuit 44.3 lbf.in (5 N.m) screw terminal flat Ã 6 to Ã 8 mmControl circuit 15.05 lbf.in (1.7 N.m) screw clamp terminal 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

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

RailPlate

Standards

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

Product Certifications

CSABVCCCRINALROS (Lloyds register of shipping)GOSTULGLDNV

IP degree of protection

IP2X IEC 60529IP2X VDE 0106

Climatic withstand

IACS E10 exposure to damp heat

Permissible ambient air temperature around the device

-76...176 °F (-60...80 °C) storage-40...140 °F (-40...60 °C) operation140...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

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

Height

5.0000000000 in (127 mm)

Width

3.3 in (85 mm)

Depth

6.9 in (176 mm)

Net Weight

4.817 lb(US) (2.185 kg)