Schneider LC1D50AB7 Contactor: Enhancing Electrical Control
In the realm of electrical engineering and industrial automation, the Schneider LC1D50AB7 Contactor stands as a beacon of reliability and efficiency. As one of the flagship products from Schneider Electric, this contactor embodies cutting-edge technology and unparalleled performance. Let’s delve deeper into its features, applications, installation, troubleshooting, and maintenance to understand why it’s a preferred choice for professionals across various industries.
Understanding the Functionality of Contactors
Contactors serve as crucial components in electrical circuits, primarily used for switching and controlling electrical power circuits. Unlike relays, which are designed for low-power applications, contactors are built to handle high currents and voltages, making them ideal for industrial and commercial settings where heavy-duty performance is essential.
Features and Specifications of Schneider LC1D50AB7 Contactor
Voltage and Current Ratings
The Schneider LC1D50AB7 Contactor is rated for up to 50 amps of current, allowing it to handle substantial electrical loads with ease. Additionally, it supports voltage ratings compatible with standard industrial power systems, ensuring seamless integration into existing setups.
Coil Voltage
With a wide range of coil voltage options available, ranging from 24V to 690V, the LC1D50AB7 Contactor offers flexibility in compatibility with different control systems and power supplies.
Operating Temperature Range
Designed to operate reliably in diverse environmental conditions, this contactor boasts an impressive operating temperature range, ensuring consistent performance even in extreme temperatures.
Enclosure Type
The LC1D50AB7 Contactor comes in various enclosure types, including open and enclosed designs, catering to different installation requirements and environmental considerations.
Applications of Schneider LC1D50AB7 Contactor
From industrial machinery to HVAC systems and lighting control applications, the Schneider LC1D50AB7 Contactor finds extensive use across various industries. Its versatility and robust design make it suitable for a wide range of applications where precise electrical control is paramount.
Advantages of Using Schneider LC1D50AB7 Contactor
Durability and Reliability
Crafted from high-quality materials and subjected to rigorous testing, the LC1D50AB7 Contactor is built to last, offering unmatched durability and reliability in demanding environments.
Easy Installation
Featuring user-friendly design elements and clear installation instructions, the Schneider contactor can be easily installed by professionals, minimizing downtime and ensuring swift deployment.
Compatibility with Various Systems
Whether integrating into existing control systems or forming part of new installations, the LC1D50AB7 Contactor seamlessly interfaces with different components and devices, providing hassle-free compatibility and interoperability.
Installation Guide for Schneider LC1D50AB7 Contactor
Before proceeding with the installation, it’s crucial to observe safety precautions to prevent accidents and ensure personal safety.
Safety Precautions
- Ensure power to the circuit is turned off before beginning the installation.
- Use appropriate personal protective equipment (PPE) such as gloves and safety glasses.
- Verify that the contactor is compatible with the intended application and electrical specifications.
Mounting Procedure
- Select a suitable location for mounting the contactor, considering factors such as accessibility and ventilation.
- Securely mount the contactor using appropriate hardware, ensuring stability and proper alignment.
- Verify that the mounting surface is clean and free from any obstructions.
Wiring Instructions
- Identify the incoming and outgoing power supply lines.
- Connect the power supply lines to the appropriate terminals on the contactor, following the manufacturer’s wiring diagram.
- Double-check all connections to ensure they are secure and properly tightened.
Troubleshooting Common Issues with Schneider LC1D50AB7 Contactor
Despite its robust design, occasional issues may arise with the LC1D50AB7 Contactor. Here are some common problems and troubleshooting steps:
Overheating
- Check for excessive current draw or inadequate ventilation around the contactor.
- Verify that the contactor is properly sized for the load it is controlling.
- Inspect for any loose connections or damaged components.
Failure to Energize
- Ensure that the control circuit is functioning correctly and supplying power to the contactor coil.
- Check for any faults in the control wiring or auxiliary devices connected to the contactor.
Mechanical Wear and Tear
- Periodically inspect the contactor for signs of mechanical wear, such as worn contact tips or damaged contact surfaces.
- Lubricate moving parts as per the manufacturer’s recommendations to prevent excessive friction and wear.
Maintenance Tips for Schneider LC1D50AB7 Contactor
Regular maintenance is essential to ensure optimal performance and longevity of the LC1D50AB7 Contactor. Follow these tips to keep your contactor in top condition:
Regular Inspection
- Periodically inspect the contactor for signs of damage, overheating, or abnormal wear.
- Clean the contactor and surrounding area to remove dust, debris, and other contaminants that may affect performance.
Cleaning and Lubrication
- Clean the contactor contacts and terminals using a suitable contact cleaner to remove any accumulated dirt or oxidation.
- Apply a thin layer of lubricant to moving parts to reduce friction and prevent corrosion.
Component Replacement
- Replace worn or damaged components such as contact tips, coils, or auxiliary devices promptly to prevent further damage or failure.
- Follow the manufacturer’s recommendations and specifications when sourcing replacement parts.
Conclusion
In conclusion, the Schneider LC1D50AB7 Contactor represents a pinnacle of electrical engineering excellence, combining durability, reliability, and versatility in a single device. With its robust construction, wide range of applications, and easy installation, it’s the preferred choice for professionals seeking uncompromising performance in electrical control systems.
| Range | TeSys TeSys Deca |
|---|---|
| Range of product | TeSys Deca |
| Product or component type | Contactor |
| Device short name | LC1D |
| Contactor application | Resistive load Motor control |
| 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 | 50 A (at <60 °C) at <= 440 V AC AC-3 for power circuit 80 A (at <60 °C) at <= 440 V AC AC-1 for power circuit 50 A (at <60 °C) at <= 440 V AC AC-3e for power circuit |
| [Uc] control circuit voltage | 24 V AC 50/60 Hz |
| Motor power kW | 15 kW at 220…230 V AC 50/60 Hz (AC-3) 22 kW at 380…400 V AC 50/60 Hz (AC-3) 30 kW at 500 V AC 50/60 Hz (AC-3) 33 kW at 660…690 V AC 50/60 Hz (AC-3) 25 kW at 415 V AC 50/60 Hz (AC-3) 30 kW at 440 V AC 50/60 Hz (AC-3) 11 kW at 400 V AC 50/60 Hz (AC-4) 15 kW at 220…230 V AC 50/60 Hz (AC-3e) 22 kW at 380…400 V AC 50/60 Hz (AC-3e) 30 kW at 500 V AC 50/60 Hz (AC-3e) 33 kW at 660…690 V AC 50/60 Hz (AC-3e) 25 kW at 415 V AC 50/60 Hz (AC-3e) 30 kW at 440 V AC 50/60 Hz (AC-3e) |
|---|---|
| Motor power hp | 3 hp at 115 V AC 50/60 Hz for 1 phase motors 7.5 hp at 230/240 V AC 50/60 Hz for 1 phase motors 15 hp at 200/208 V AC 50/60 Hz for 3 phases motors 15 hp at 230/240 V AC 50/60 Hz for 3 phases motors 40 hp at 460/480 V AC 50/60 Hz for 3 phases motors 40 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 80 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 60947-5-1 900 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 |
| [Icw] rated short-time withstand current | 400 A 40 °C – 10 s for power circuit 810 A 40 °C – 1 s for power circuit 84 A 40 °C – 10 min for power circuit 208 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 60947-5-1 100 A gG at <= 690 V coordination type 1 for power circuit 100 A gG at <= 690 V coordination type 2 for power circuit |
| Average impedance | 1.5 mOhm – Ith 80 A 50 Hz for power circuit |
| Power dissipation per pole | 3.7 W AC-3 9.6 W AC-1 3.7 W AC-3e |
| [Ui] rated insulation voltage | 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 Power circuit: 690 V conforming to IEC 60947-4-1 |
| 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 | 6 Mcycles |
| Electrical durability | 1.45 Mcycles 50 A AC-3 at Ue <= 440 V 1.1 Mcycles 80 A AC-1 at Ue <= 440 V 1.45 Mcycles 50 A AC-3e at Ue <= 440 V |
| Control circuit type | AC at 50/60 Hz standard |
| Coil technology | Without built-in suppressor module |
| Control circuit voltage limits | 0.3…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 VA | 140 VA 60 Hz cos phi 0.75 (at 20 °C) 160 VA 50 Hz cos phi 0.75 (at 20 °C) |
| Hold-in power consumption in VA | 13 VA 60 Hz cos phi 0.3 (at 20 °C) 15 VA 50 Hz cos phi 0.3 (at 20 °C) |
| Heat dissipation | 4…5 W at 50/60 Hz |
| Operating time | 4…19 ms opening 12…26 ms closing |
| Maximum operating rate | 3600 cyc/h 60 °C |
| Maximum operating rate | 3600 cyc/h at 60 °C |
| Connections – terminals | 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: 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 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 connection 1 1…35 mm² – cable stiffness: flexible without cable end Power circuit: screw connection 2 1…25 mm² – cable stiffness: flexible without cable end Power circuit: screw connection 1 1…35 mm² – cable stiffness: flexible with cable end Power circuit: screw connection 2 1…25 mm² – cable stiffness: flexible with cable end Power circuit: screw connection 1 1…35 mm² – cable stiffness: solid without cable end Power circuit: screw connection 2 1…25 mm² – cable stiffness: solid without cable end |
| Tightening torque | 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 Power circuit: 8 N.m – on EverLink BTR screw connectors – cable 25…35 mm² hexagonal screw head 4 mm Power circuit: 5 N.m – on EverLink BTR screw connectors – cable 1…25 mm² hexagonal screw head 4 mm Control circuit: 1.7 N.m – on screw clamp terminals – with screwdriver pozidriv No 2 Power circuit: 2.5 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 | EN 60947-4-1 EN 60947-5-1 IEC 60947-4-1 IEC 60947-5-1 CSA C22.2 No 14 UL 60947-4-1 IEC 60335-2-40:Annex JJ UL 60335-2-40:Annex JJ IEC 60335-1:Clause 30.2 |
|---|---|
| Product certifications | CCC UL CB Scheme CSA CE UKCA Marine EAC |
| 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 closed (15 Gn for 11 ms) Shocks contactor open (10 Gn for 11 ms) |
| Height | 122 mm |
| Width | 55 mm |
| Depth | 120 mm |
| Net weight | 0.855 kg |
| Unit Type of Package 1 | PCE |
|---|---|
| Number of Units in Package 1 | 1 |
| Package 1 Height | 6.3 cm |
| Package 1 Width | 13.5 cm |
| Package 1 Length | 15.2 cm |
| Package 1 Weight | 920.0 g |
| Unit Type of Package 2 | S02 |
| Number of Units in Package 2 | 10 |
| Package 2 Height | 15.0 cm |
| Package 2 Width | 30.0 cm |
| Package 2 Length | 40.0 cm |
| Package 2 Weight | 9.934 kg |
| Unit Type of Package 3 | P06 |
| Number of Units in Package 3 | 160 |
| Package 3 Height | 77.0 cm |
| Package 3 Width | 80.0 cm |
| Package 3 Length | 60.0 cm |
| Package 3 Weight | 167.444 kg |
| Warranty | 18 months |
|---|
Main documents
| Datasheet | Download Datasheet |
| Product datasheet | LC1D50AB7 |
| Download | |
| Catalog | Download |
| Download | |
| CAD Files | Download |
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