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Schneider LC1D18BD Contactor | TeSys D – 3P(3 NO) – AC-3 – <= 440 V 18 A – 24 V DC coil

Schneider Electric
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Schneider LC1D18BD Contactor

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Schneider LC1D18BD Contactor: A Comprehensive Guide

Introduction

In this digital era, electrical systems play a pivotal role in various industries. Among the essential components of these systems is the contactor. Schneider Electric, a renowned name in the electrical industry, offers a wide range of contactors, including the LC1D18BD model. Let’s delve into the intricacies of the Schneider LC1D18BD contactor and understand its significance in electrical applications.

Understanding Contactor Basics

Before diving into specifics, let’s grasp the fundamentals of contactors. A contactor is an electromechanical device used to control the flow of electricity in a circuit. It consists of contacts that open and close to allow or interrupt the electrical current. Contactors are commonly employed in industrial and commercial settings to manage heavy loads efficiently.

Features of Schneider LC1D18BD Contactor

The Schneider LC1D18BD contactor boasts several features that set it apart. With its compact design and high-performance capabilities, it’s ideal for a variety of applications. Some notable features include:

  • Compact Design: Despite its robust functionality, the LC1D18BD contactor is designed to occupy minimal space, making it suitable for installations where space is limited.
  • High Switching Capacity: This contactor can handle heavy loads with ease, thanks to its high switching capacity, ensuring reliable performance even in demanding environments.
  • Built-in Auxiliary Contacts: The LC1D18BD model comes equipped with auxiliary contacts, allowing for enhanced control and monitoring of electrical circuits.
  • Coil Voltage Options: Schneider Electric offers a range of coil voltage options for the LC1D18BD contactor, providing flexibility to suit various voltage requirements.

Applications of Schneider LC1D18BD Contactor

The versatility of the Schneider LC1D18BD contactor makes it suitable for a wide range of applications, including:

  • Motor control in industrial machinery
  • HVAC systems
  • Lighting control
  • Elevator systems
  • Conveyor belts
  • And more

Installation Process

Installing the Schneider LC1D18BD contactor is straightforward, but it’s crucial to follow the manufacturer’s guidelines to ensure proper operation and safety. Here’s a basic outline of the installation process:

  1. Selecting the Mounting Location: Choose a suitable location for installing the contactor, considering factors such as accessibility and ventilation.
  2. Wiring Connections: Connect the control circuit wires to the appropriate terminals on the contactor, ensuring proper polarity and tight connections.
  3. Mounting the Contactor: Secure the contactor in place using the provided mounting screws or brackets.
  4. Testing: After installation, perform a thorough test to verify the functionality of the contactor and ensure that it operates as expected.

Maintenance Tips

To ensure optimal performance and longevity of the Schneider LC1D18BD contactor, regular maintenance is essential. Here are some maintenance tips to follow:

  • Keep it Clean: Periodically clean the contactor to remove dust and debris that can affect its performance.
  • Inspect for Wear and Tear: Check the contacts and other components for signs of wear and tear, and replace any damaged parts promptly.
  • Tighten Loose Connections: Ensure that all wiring connections are tight to prevent overheating and electrical faults.

Troubleshooting Common Issues

Despite its reliability, the Schneider LC1D18BD contactor may encounter occasional issues. Here are some common problems and troubleshooting steps:

  1. Failure to Energize: Check the power supply and control circuit connections to ensure proper voltage and continuity.
  2. Overheating: Inspect for any obstructions or poor ventilation around the contactor and address them accordingly.
  3. Contact Welding: If the contacts become welded due to high current or arcing, replace the contactor to prevent further damage.

 

Main
Range of productTeSys Deca
Product or component typeContactor
Device short nameLC1D
Contactor applicationMotor control
Resistive load
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 voltage24 V DC
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 durability30 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 typeDC standard
Coil technologyWith integral suppression device
Control circuit voltage limits0.1…0.25 Uc (-40…70 °C):drop-out DC
0.7…1.25 Uc (-40…60 °C):operational DC
1…1.25 Uc (60…70 °C):operational DC
Inrush power in W5.4 W (at 20 °C)
Hold-in power consumption in W5.4 W at 20 °C
Operating time63 ±15 % ms closing
20 ±20 % ms opening
Time constant28 ms
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 supportPlate
Rail
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
Depth95 mm
Net weight0.49 kg
Packing Units
Unit Type of Package 1PCE
Number of Units in Package 11
Package 1 Height5.000 cm
Package 1 Width9.000 cm
Package 1 Length11.000 cm
Package 1 Weight522.500 g
Unit Type of Package 2S02
Number of Units in Package 215
Package 2 Height15.000 cm
Package 2 Width30.000 cm
Package 2 Length40.000 cm
Package 2 Weight8.108 kg
Unit Type of Package 3P06
Number of Units in Package 3240
Package 3 Height75.000 cm
Package 3 Width60.000 cm
Package 3 Length80.000 cm
Package 3 Weight137.080 kg
Contractual warranty
Warranty18 months

Main documents

DatasheetDownload Datasheet
Product datasheetLC1D18BD 
Instruction sheet
Download
Catalogue
Download
CAD Files
Download
Environmental disclosureDownload

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