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Schneider LC1D18E7 Contactor | TeSys D – 3P(3 NO) – AC-3 – <= 440 V 18 A – 48 V AC coil

Schneider Electric
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Schneider LC1D18E7 Contactor

1,938.40 EGP 3,589.60 EGP

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Schneider LC1D18E7 Contactor: Enhancing Electrical Systems

Electricity powers our modern ensuring its efficient and safe distribution is paramount. In electrical systems, contactors play a crucial role in controlling the flow of electricity, making them indispensable components. Schneider Electric, a renowned name in the electrical industry, offers the LC1D18E7 Contactor, a reliable solution for various applications.

Understanding the Functionality of a Contactor

What is a contactor?

A contactor is an electrical device designed to control the flow of electricity in a circuit. It consists of a coil and contacts that open and close to allow or interrupt the flow of current.

Importance of contactors in electrical systems

Contactors are essential for controlling motors, lighting systems, heating elements, and other electrical loads. They provide a safe and reliable method for switching high currents, protecting equipment and ensuring smooth operation.

Features of Schneider LC1D18E7 Contactor

Schneider LC1D18E7 is a high-performance contactor with impressive features tailored for industrial and commercial applications.

Technical specifications

  • Rated operational current: 18A
  • Coil voltage: 24V AC
  • Number of poles: 3
  • AC-1 and AC-3 utilization categories
  • Compact design for space-saving installations

Unique selling points

  • Superior performance under heavy loads
  • Long lifespan for extended durability
  • Low power consumption for energy efficiency
  • Built-in surge suppression for enhanced safety
Main
Range of productTeSys Deca
Product or component typeContactor
Device short nameLC1D
Contactor applicationResistive load
Motor control
Utilisation categoryAC-4
AC-1
AC-3
AC-3e
Poles description3P
[Ue] rated operational voltagePower circuit: <= 690 V AC 25…400 Hz
Power circuit: <= 300 V DC
[Ie] rated operational current18 A (at <60 °C) at <= 440 V AC AC-3 for power circuit
32 A (at <60 °C) at <= 440 V AC AC-1 for power circuit
18 A (at <60 °C) at <= 440 V AC AC-3e for power circuit
[Uc] control circuit voltage48 V AC 50/60 Hz
Complementary
Motor power kW4 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)
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 400 V AC 50/60 Hz (AC-4)
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)
10 kW at 500 V AC 50/60 Hz (AC-3e)
10 kW at 660…690 V AC 50/60 Hz (AC-3e)
Motor power hp1 hp at 115 V AC 50/60 Hz for 1 phase motors
3 hp at 230/240 V AC 50/60 Hz for 1 phase motors
5 hp at 200/208 V AC 50/60 Hz for 3 phases motors
5 hp at 230/240 V AC 50/60 Hz for 3 phases motors
10 hp at 460/480 V AC 50/60 Hz for 3 phases motors
15 hp at 575/600 V AC 50/60 Hz for 3 phases motors
Compatibility codeLC1D
Pole contact composition3 NO
Protective coverWith
[Ith] conventional free air thermal current10 A (at 60 °C) for signalling circuit
32 A (at 60 °C) for power circuit
Irms rated making capacity140 A AC for signalling circuit conforming to IEC 60947-5-1
250 A DC for signalling circuit conforming to IEC 60947-5-1
300 A at 440 V for power circuit conforming to IEC 60947
Rated breaking capacity300 A at 440 V for power circuit conforming to IEC 60947
[Icw] rated short-time withstand current145 A 40 °C – 10 s for power circuit
240 A 40 °C – 1 s for power circuit
40 A 40 °C – 10 min for power circuit
84 A 40 °C – 1 min for power circuit
100 A – 1 s for signalling circuit
120 A – 500 ms for signalling circuit
140 A – 100 ms for signalling circuit
Associated fuse rating10 A gG for signalling circuit conforming to IEC 60947-5-1
50 A gG at <= 690 V coordination type 1 for power circuit
35 A gG at <= 690 V coordination type 2 for power circuit
Average impedance2.5 mOhm – Ith 32 A 50 Hz for power circuit
Power dissipation per pole2.5 W AC-1
0.8 W AC-3
0.8 W AC-3e
[Ui] rated insulation voltagePower circuit: 690 V conforming to IEC 60947-4-1
Power circuit: 600 V CSA certified
Power circuit: 600 V UL certified
Signalling circuit: 690 V conforming to IEC 60947-1
Signalling circuit: 600 V CSA certified
Signalling circuit: 600 V UL certified
Overvoltage categoryIII
Pollution degree3
[Uimp] rated impulse withstand voltage6 kV conforming to IEC 60947
Safety reliability levelB10d = 1369863 cycles contactor with nominal load conforming to EN/ISO 13849-1
B10d = 20000000 cycles contactor with mechanical load conforming to EN/ISO 13849-1
Mechanical durability15 Mcycles
Electrical durability1.65 Mcycles 18 A AC-3 at Ue <= 440 V
1 Mcycles 32 A AC-1 at Ue <= 440 V
1.65 Mcycles 18 A AC-3e at Ue <= 440 V
Control circuit typeAC at 50/60 Hz standard
Coil technologyWithout built-in suppressor module
Control circuit voltage limits0.3…0.6 Uc (-40…70 °C):drop-out AC 50/60 Hz
0.8…1.1 Uc (-40…60 °C):operational AC 50 Hz
0.85…1.1 Uc (-40…60 °C):operational AC 60 Hz
1…1.1 Uc (60…70 °C):operational AC 50/60 Hz
Inrush power in VA70 VA 60 Hz cos phi 0.75 (at 20 °C)
70 VA 50 Hz cos phi 0.75 (at 20 °C)
Hold-in power consumption in VA7.5 VA 60 Hz cos phi 0.3 (at 20 °C)
7 VA 50 Hz cos phi 0.3 (at 20 °C)
Heat dissipation2…3 W at 50/60 Hz
Operating time12…22 ms closing
4…19 ms opening
Maximum operating rate3600 cyc/h 60 °C
Maximum operating rate3600 cyc/h at 60 °C
Connections – terminalsControl circuit: screw clamp terminals 1 1…4 mm² – cable stiffness: flexible without cable end
Control circuit: screw clamp terminals 2 1…4 mm² – cable stiffness: flexible without cable end
Control circuit: screw clamp terminals 1 1…4 mm² – cable stiffness: flexible with cable end
Control circuit: screw clamp terminals 2 1…2.5 mm² – cable stiffness: flexible with cable end
Control circuit: screw clamp terminals 1 1…4 mm² – cable stiffness: solid without cable end
Control circuit: screw clamp terminals 2 1…4 mm² – cable stiffness: solid without cable end
Power circuit: screw clamp terminals 1 1.5…6 mm² – cable stiffness: flexible without cable end
Power circuit: screw clamp terminals 2 1.5…6 mm² – cable stiffness: flexible without cable end
Power circuit: screw clamp terminals 1 1…6 mm² – cable stiffness: flexible with cable end
Power circuit: screw clamp terminals 2 1…4 mm² – cable stiffness: flexible with cable end
Power circuit: screw clamp terminals 1 1.5…6 mm² – cable stiffness: solid without cable end
Power circuit: screw clamp terminals 2 1.5…6 mm² – cable stiffness: solid without cable end
Tightening torquePower circuit: 1.7 N.m – on screw clamp terminals – with screwdriver flat Ø 6 mm
Power circuit: 1.7 N.m – on screw clamp terminals – with screwdriver Philips No 2
Control circuit: 1.7 N.m – on screw clamp terminals – with screwdriver flat Ø 6 mm
Control circuit: 1.7 N.m – on screw clamp terminals – with screwdriver Philips No 2
Control circuit: 1.7 N.m – on screw clamp terminals – with screwdriver pozidriv No 2
Power circuit: 1.7 N.m – on screw clamp terminals – with screwdriver pozidriv No 2
Auxiliary contact composition1 NO + 1 NC
Auxiliary contacts typetype mechanically linked 1 NO + 1 NC conforming to IEC 60947-5-1
type mirror contact 1 NC conforming to IEC 60947-4-1
Signalling circuit frequency25…400 Hz
Minimum switching voltage17 V for signalling circuit
Minimum switching current5 mA for signalling circuit
Insulation resistance> 10 MOhm for signalling circuit
Non-overlap time1.5 ms on de-energisation between NC and NO contact
1.5 ms on energisation between NC and NO contact
Mounting supportRail
Plate
Environment
StandardsCSA C22.2 No 14
EN 60947-4-1
EN 60947-5-1
IEC 60947-4-1
IEC 60947-5-1
UL 60947-4-1
IEC 60335-1:Clause 30.2
IEC 60335-2-40:Annex JJ
UL 60335-2-40:Annex JJ
CSA C22.2 No 60947-4-1
Product certificationsUL
CCC
CSA
Marine
UKCA
EAC
CB Scheme
IP degree of protectionIP20 front face conforming to IEC 60529
Protective treatmentTH conforming to IEC 60068-2-30
Climatic withstandconforming to IACS E10 exposure to damp heat
conforming to IEC 60947-1 Annex Q category D exposure to damp heat
Permissible ambient air temperature around the device-40…60 °C
60…70 °C with derating
Operating altitude0…3000 m
Fire resistance850 °C conforming to IEC 60695-2-1
Flame retardanceV1 conforming to UL 94
Mechanical robustnessVibrations 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)
Height77 mm
Width45 mm
Depth86 mm
Net weight0.33 kg
Packing Units
Unit Type of Package 1PCE
Number of Units in Package 11
Package 1 Height4.900 cm
Package 1 Width11.100 cm
Package 1 Length8.900 cm
Package 1 Weight364.000 g
Unit Type of Package 2P06
Number of Units in Package 2160
Package 2 Height45.000 cm
Package 2 Width60.000 cm
Package 2 Length80.000 cm
Package 2 Weight70.380 kg
Contractual warranty
Warranty18 months

Main documents

DatasheetDownload Datasheet
Product datasheetLC1D18E7 
Instruction sheet
Download
Catalogue
Download
CAD Files
Download
Environmental disclosureDownload

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