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LC2D18B7
Schneider LC2D18B7 available at EU Automation. Get in touch today for a quick price.
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Full 12-month warranty
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What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
The Schneider LC2D18B7 is a robust and reliable reversing contactor designed for efficient motor control and resistive load applications. This versatile component is part of the TeSys Deca range, known for its high performance and durability. It features a 3-pole (3 NO) configuration, making it suitable for a variety of industrial settings. With a rated operational voltage of up to 440 V AC and a current rating of 18 A, it ensures optimal performance in demanding environments. The contactor is equipped with a 24 V AC coil, operating at both 50 and 60 Hz, providing flexibility in control circuit design. Its compact dimensions and screw clamp terminals facilitate easy installation and integration into existing systems. The LC2D18B7 is engineered to meet rigorous standards, ensuring reliable operation and long service life in a wide range of applications.
| Specification | Description |
|---|---|
| Part Number | LC2D18B7 |
| Manufacturer | Schneider Electric |
| Series / Range | TeSys Deca |
| Product Type | Reversing contactor (preassembled reversing assembly) |
| Contactor Application | Motor control and resistive loads |
| Utilisation Category | AC-3, AC-1 |
| Poles | 3-pole (3P) |
| Main Power Contacts | 3 NO (normally open) |
| Rated Operational Voltage (Power Circuit) | Up to 690 V AC (25…400 Hz); up to 300 V DC |
| Rated Operational Current (AC-3) | 18 A at ≤ 440 V AC (at < 60 °C) |
| Rated Operational Current (AC-1) | 32 A at ≤ 440 V AC (at < 60 °C) |
| Motor Power Rating (AC-3, 50 Hz) | 4 kW at 220…230 V; 7.5 kW at 380…400 V; 9 kW at 415…440 V; 10 kW at 500 V; 10 kW at 660…690 V |
| Motor Power Rating (UL/CSA, 60 Hz) | 1 hp at 115 V (1-phase); 3 hp at 230/240 V (1-phase); 5 hp at 200/208 V (3-phase); 5 hp at 230/240 V (3-phase); 10 hp at 460/480 V (3-phase); 15 hp at 575/600 V (3-phase) |
| Control Circuit Type | AC, 50/60 Hz |
| Coil Voltage (Uc) | 24 V AC, 50/60 Hz |
| Coil Voltage Limits | Drop-out: 0.3…0.6 × Uc (-40…70 °C); Operational: 0.8…1.1 × Uc (50 Hz, -40…60 °C) / 0.85…1.1 × Uc (60 Hz, -40…60 °C) |
| Inrush Power (Coil) | 70 VA (50/60 Hz, at 20 °C) |
| Hold-in Power (Coil) | 7 VA (50 Hz) / 7.5 VA (60 Hz) (at 20 °C) |
| Built-in Suppression Module | None |
| Auxiliary Contacts | 1 NO + 1 NC |
| Rated Impulse Withstand Voltage (Uimp) | 6 kV (IEC 60947) |
| Overvoltage Category | III |
| Conventional Free Air Thermal Current (Ith) | 32 A (power circuit, 60 °C); 10 A (signalling circuit, 60 °C) |
| Rated Breaking Capacity | 300 A at 440 V (power circuit) |
| Short-time Withstand Current (Icw) | 40 A (10 min), 84 A (1 min), 145 A (10 s), 240 A (1 s) for power circuit |
| Rated Insulation Voltage (Ui) | 690 V (IEC) |
| Average Impedance | 2.5 mΩ (Ith 32 A, 50 Hz) |
| Electrical Durability | 1.65 million cycles (18 A AC-3 at ≤ 440 V); 1 million cycles (32 A AC-1 at ≤ 440 V) |
| Mechanical Durability | 15 million cycles |
| Maximum Operating Rate | 3600 cycles/hour (at < 60 °C) |
| Operating Time | Closing: 12…22 ms; Opening: 4…19 ms |
| Interlocking Type | Mechanical |
| Front Cover | Included |
| Mounting | Plate mounting or DIN rail mounting |
| Connection Type | Screw clamp terminals |
| Terminal Capacity (Power Circuit) | 1.5…6 mm² (solid or flexible, depending on configuration) |
| Terminal Capacity (Control Circuit) | 1…4 mm² (solid or flexible, depending on configuration) |
| Tightening Torque | 1.7 N·m (typical screw clamp); up to 2.5 N·m (as specified for certain terminals) |
| Degree of Protection | IP20 (front face) |
| Ambient Operating Temperature | -40…60 °C (up to 70 °C with derating) |
| Storage Temperature | -60…80 °C |
| Operating Altitude | 0…3000 m |
| Dimensions (H × W × D) | 77 mm × 90 mm × 86 mm |
| Net Weight | 0.707 kg |
| Commodity Code | 853649 |
| Description | TeSys Deca reversing contactor assembly for forward/reverse motor control, featuring 3 normally open power poles and a 24 V AC coil. Designed for AC-3 duty up to 18 A at 440 V, with built-in mechanical interlocking and screw clamp terminals for straightforward panel or DIN-rail installation. |
What is the primary function of this Schneider contactor?
The Schneider LC2D18B7 is a reversing contactor designed for motor control and resistive load applications, suitable for use in AC-3 and AC-1 categories.
What are the electrical specifications of this contactor?
This contactor operates with a rated operational voltage of up to 440V AC and a rated operational current of 18A for AC-3 applications.
What type of auxiliary contacts does this contactor have?
The Schneider LC2D18B7 contactor is equipped with 1 normally open (NO) and 1 normally closed (NC) auxiliary contact.
What is the rated power capacity for motors using this contactor?
The contactor can handle motor power up to 9 kW at 415V AC and 10 kW at 500V AC.
What are the dimensions of this contactor?
The dimensions of the Schneider LC2D18B7 contactor are 77 mm in height, 90 mm in width, and 86 mm in depth.
What is the environmental operating range for this contactor?
This contactor can operate in ambient temperatures ranging from -40°C to 60°C, with a derating applied up to 70°C.
What is the mechanical durability of this contactor?
The Schneider LC2D18B7 contactor has a mechanical durability of up to 15 million cycles.
What is the degree of protection provided by this contactor?
The contactor has an IP20 degree of protection, suitable for front face applications.
What type of mounting support is required for this contactor?
The Schneider LC2D18B7 contactor can be mounted on a plate or rail, providing flexibility in installation.
Is this contactor compliant with international standards?
Yes, the contactor complies with standards such as IEC 60947-4-1, IEC 60947-5-1, and UL 508.
- Motor control in industrial automation systems
- Reversing motor applications in manufacturing plants
- Integration into control panels for machinery
- Use in HVAC systems for motor-driven components
- Electrical distribution systems requiring motor switching
- Automation of conveyor systems in logistics and warehousing
- Control of pumps and fans in industrial settings
- Switching applications in renewable energy systems
- Use in water treatment facilities for motor operations
- Integration into automated production lines for efficient motor management
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
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Customer reviews
steve
Daniel
Excellent customer service...
Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
4 months ago
Jerry Schrink
Tom Higgins provided amazing service
Tom Higgins provided great prompt service. I contacted Tom by phone and within 10 minutes there was a quote in my in box. WOW Thank you Tom and Thank you EU Automation!
5 months ago
Paulo Pereira
Excellent service and communication…
Excellent service and communication from Alex Bailey. He truly goes above and beyond to ensure his clients are 100% satisfied. The entire process was seamless, and his attention to detail made a huge difference. Highly recommended for anyone looking for amazing service!
5 months ago
Gary
Tom Higgins did a great job at getting…
Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
5 months ago
Lessle Smith
Thomas Higgins has gone above and…
Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!
6 months ago
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