Schneider LC1D128B7 Contactor | TeSys D contactor – 4P(2 NO + 2 NC) – AC-1 – <= 440 V 25 A – 24 V AC coil
Schneider LC1D128B7 Contactor
Description
Schneider LC1D128B7 Contactor: Powering Your Industrial Solutions
In the realm of industrial automation, precision and reliability are paramount. This is where the Schneider LC1D128B7 contactor shines. As a crucial component in electrical systems, this contactor plays a pivotal role in ensuring seamless operations across various industries.
Understanding Contactor Basics
What is a contactor?
A contactor is an electromechanical device used to make or break electrical connections. It is essentially a switch that is controlled by an electromagnet, allowing it to handle high currents and voltages.
Purpose and function of a contactor
Contactor’s primary function is to control the flow of electricity in an electrical circuit. It enables the control of motors, lighting systems, heating elements, and other electrical loads.
Features and Specifications
Overview of Schneider LC1D128B7
The Schneider LC1D128B7 is a high-performance contactor designed to meet the demanding requirements of industrial applications. It boasts robust construction, advanced technology, and exceptional reliability.
Key features
- High current and voltage rating
- Compact design
- Low power consumption
- Built-in overload protection
- Wide operating temperature range
Technical specifications
- Rated operational current: 128A
- Rated operational voltage: Up to 690V
- Coil voltage: 24V AC
Applications and Industries
Where is Schneider LC1D128B7 used?
it finds widespread use across various industries, including:
- Manufacturing
- Automotive
- Chemical
- Oil and gas
- Mining
Industrial applications
- Motor control
- Lighting systems
- HVAC systems
- Power distribution
Advantages
Efficiency and reliability
The Schneider LC1D128B7 excels in terms of efficiency and reliability. Its robust design ensures long-term performance even in harsh industrial environments.
Safety features
Safety is paramount in industrial settings, and the Schneider LC1D128B7 doesn’t disappoint. It comes equipped with built-in overload protection and meets stringent safety standards.
Easy installation and maintenance
Installing and maintaining the Schneider LC1D128B7 is a breeze, thanks to its user-friendly design. It simplifies the process, saving time and effort for technicians.
Comparison with Competitors
How does it compare with other contactors?
In comparison to its competitors, the Schneider LC1D128B7 stands out due to its superior performance, reliability, and advanced features.
Strengths and weaknesses
- Strengths: High durability, wide voltage range, overload protection
- Weaknesses: Slightly higher cost compared to some competitors
Installation and Maintenance Guide
Step-by-step installation process
- Mount the contactor securely on a suitable surface.
- Connect the control circuit wires to the appropriate terminals.
- Connect the power supply wires to the main terminals.
- Test the contactor to ensure proper operation.
Maintenance tips and best practices
- Regularly inspect for signs of wear or damage.
- Clean the contactor contacts to ensure optimal conductivity.
- Check and tighten terminal connections periodically.
Troubleshooting Common Issues
Identifying common problems
- Contact welding
- Coil failure
- Overheating
Solutions and fixes
- Clean contacts or replace if necessary.
- Check and replace the coil if defective.
- Ensure proper ventilation to prevent overheating.
- Pros: Robust construction, easy installation, reliable performance
- Cons: Slightly higher initial cost compared to some alternatives
Pricing and Availability
Cost considerations
The Schneider LC1D128B7 is competitively priced considering its advanced features and performance.
Where to purchase Schneider LC1D128B7
The contactor is available through authorized distributors and online retailers, ensuring easy accessibility for customers worldwide.
Additional information
| brands | Schneider Electric |
|---|
Specifications
| Range of product | TeSys Deca |
|---|---|
| Product or component type | Contactor |
| Device short name | LC1D |
| Contactor application | Resistive load |
| Utilisation category | AC-1 AC-3 AC-3e AC-4 |
| Poles description | 4P |
| [Ue] rated operational voltage | Power circuit: <= 690 V AC 25...400 Hz Power circuit: <= 300 V DC |
| [Ie] rated operational current | 25 A (at <60 °C) at <= 440 V AC AC-1 for power circuit |
| [Uc] control circuit voltage | 24 V AC 50/60 Hz |
| Compatibility code | LC1D |
|---|---|
| Pole contact composition | 2 NO + 2 NC |
| Protective cover | With |
| [Ith] conventional free air thermal current | 25 A (at 60 °C) for power circuit 10 A (at 60 °C) for signalling circuit |
| Irms rated making capacity | 250 A at 440 V for power circuit conforming to IEC 60947 140 A AC for signalling circuit conforming to IEC 60947-5-1 250 A DC for signalling circuit conforming to IEC 60947-5-1 |
| Rated breaking capacity | 250 A at 440 V for power circuit conforming to IEC 60947 |
| [Icw] rated short-time withstand current | 105 A 40 °C - 10 s for power circuit 210 A 40 °C - 1 s for power circuit 30 A 40 °C - 10 min for power circuit 61 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 40 A gG at <= 690 V coordination type 1 for power circuit 25 A gG at <= 690 V coordination type 2 for power circuit |
| Average impedance | 2.5 mOhm - Ith 25 A 50 Hz for power circuit |
| Power dissipation per pole | 1.56 W AC-1 |
| [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 | 15 Mcycles |
| Electrical durability | 0.8 Mcycles 25 A AC-1 at Ue <= 440 V |
| Control circuit type | AC at 50/60 Hz |
| 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 | 70 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 VA | 7.5 VA 60 Hz cos phi 0.3 (at 20 °C) 7 VA 50 Hz cos phi 0.3 (at 20 °C) |
| Heat dissipation | 2…3 W at 50/60 Hz |
| Operating time | 12...22 ms closing 4...19 ms opening |
| Maximum operating rate | 3600 cyc/h 60 °C |
| Maximum operating rate | 3600 cyc/h at 60 °C |
| Connections - terminals | Power circuit: screw clamp terminals 1 1…4 mm² - cable stiffness: flexible without cable end Power circuit: screw clamp terminals 2 1…4 mm² - cable stiffness: flexible without cable end Power circuit: screw clamp terminals 1 1…4 mm² - cable stiffness: flexible with cable end Power circuit: screw clamp terminals 2 1…2.5 mm² - cable stiffness: flexible with cable end Power circuit: screw clamp terminals 1 1…4 mm² - cable stiffness: solid without cable end Power circuit: screw clamp terminals 2 1…4 mm² - cable stiffness: solid without 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 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 |
| 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 | Rail Plate |
| 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 | 85 mm |
| Width | 45 mm |
| Depth | 92 mm |
| Net weight | 0.365 kg |
| Unit Type of Package 1 | PCE |
|---|---|
| Number of Units in Package 1 | 1 |
| Package 1 Height | 5.500 cm |
| Package 1 Width | 9.500 cm |
| Package 1 Length | 12.000 cm |
| Package 1 Weight | 394.000 g |
| Unit Type of Package 2 | S02 |
| Number of Units in Package 2 | 16 |
| Package 2 Height | 15.000 cm |
| Package 2 Width | 30.000 cm |
| Package 2 Length | 40.000 cm |
| Package 2 Weight | 6.862 kg |
| Warranty | 18 months |
|---|
Main Document
Main Document
Data Sheet : LC1D128B7
Main Document
Data Sheet : LC1D128B7
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