Schneider LC1D18BD Contactor | TeSys D – 3P(3 NO) – AC-3 – <= 440 V 18 A – 24 V DC coil
Schneider LC1D18BD Contactor
Description
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:
- Selecting the Mounting Location: Choose a suitable location for installing the contactor, considering factors such as accessibility and ventilation.
- Wiring Connections: Connect the control circuit wires to the appropriate terminals on the contactor, ensuring proper polarity and tight connections.
- Mounting the Contactor: Secure the contactor in place using the provided mounting screws or brackets.
- 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:
- Failure to Energize: Check the power supply and control circuit connections to ensure proper voltage and continuity.
- Overheating: Inspect for any obstructions or poor ventilation around the contactor and address them accordingly.
- Contact Welding: If the contacts become welded due to high current or arcing, replace the contactor to prevent further damage.
Additional information
| brands | Schneider Electric |
|---|
Specifications
| Range of product | TeSys Deca |
|---|---|
| Product or component type | Contactor |
| Device short name | LC1D |
| Contactor application | Motor control Resistive load |
| Utilisation category | AC-4 AC-1 AC-3 AC-3e |
| Poles description | 3P |
| [Ue] rated operational voltage | Power circuit: <= 690 V AC 25...400 Hz Power circuit: <= 300 V DC |
| [Ie] rated operational current | 18 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 voltage | 24 V DC |
| Motor power kW | 4 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 hp | 1 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 code | LC1D |
| Pole contact composition | 3 NO |
| Protective cover | With |
| [Ith] conventional free air thermal current | 10 A (at 60 °C) for signalling circuit 32 A (at 60 °C) for power circuit |
| Irms rated making capacity | 140 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 capacity | 300 A at 440 V for power circuit conforming to IEC 60947 |
| [Icw] rated short-time withstand current | 145 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 rating | 10 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 impedance | 2.5 mOhm - Ith 32 A 50 Hz for power circuit |
| Power dissipation per pole | 2.5 W AC-1 0.8 W AC-3 0.8 W AC-3e |
| [Ui] rated insulation voltage | Power 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 category | III |
| Pollution degree | 3 |
| [Uimp] rated impulse withstand voltage | 6 kV conforming to IEC 60947 |
| Safety reliability level | B10d = 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 durability | 30 Mcycles |
| Electrical durability | 1.65 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 type | DC standard |
| Coil technology | With integral suppression device |
| Control circuit voltage limits | 0.1...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 W | 5.4 W (at 20 °C) |
| Hold-in power consumption in W | 5.4 W at 20 °C |
| Operating time | 63 ±15 % ms closing 20 ±20 % ms opening |
| Time constant | 28 ms |
| Maximum operating rate | 3600 cyc/h 60 °C |
| Maximum operating rate | 3600 cyc/h at 60 °C |
| Connections - terminals | Control 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 torque | Power 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 composition | 1 NO + 1 NC |
| Auxiliary contacts type | type 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 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 contact 1.5 ms on energisation between NC and NO contact |
| Mounting support | Plate Rail |
| Standards | CSA 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 certifications | UL CCC CSA Marine UKCA EAC CB Scheme |
| IP degree of protection | IP20 front face conforming to IEC 60529 |
| Protective treatment | TH conforming to IEC 60068-2-30 |
| Climatic withstand | conforming 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 altitude | 0...3000 m |
| Fire resistance | 850 °C conforming to 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 | 77 mm |
| Width | 45 mm |
| Depth | 95 mm |
| Net weight | 0.49 kg |
| Unit Type of Package 1 | PCE |
|---|---|
| Number of Units in Package 1 | 1 |
| Package 1 Height | 5.000 cm |
| Package 1 Width | 9.000 cm |
| Package 1 Length | 11.000 cm |
| Package 1 Weight | 522.500 g |
| Unit Type of Package 2 | S02 |
| Number of Units in Package 2 | 15 |
| Package 2 Height | 15.000 cm |
| Package 2 Width | 30.000 cm |
| Package 2 Length | 40.000 cm |
| Package 2 Weight | 8.108 kg |
| Unit Type of Package 3 | P06 |
| Number of Units in Package 3 | 240 |
| Package 3 Height | 75.000 cm |
| Package 3 Width | 60.000 cm |
| Package 3 Length | 80.000 cm |
| Package 3 Weight | 137.080 kg |
| Warranty | 18 months |
|---|
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