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Specification & Description
| Specification | Description |
|---|---|
| Part Number | LC1D12BL |
| Manufacturer | Schneider Electric |
| Product Type | Contactor |
| Contactor Application | Motor control, Resistive load |
| Utilisation Category | AC-1, AC-3, AC-4 |
| Poles Description | 3 Pole |
| Contact Composition | 3 Normally Open (NO) |
| Rated Operational Voltage | <= 690 V AC 25...400 Hz for power circuit; <= 300 V DC for power circuit |
| Rated Operational Current | 12 A at <= 440 V AC AC-3 for power circuit; 25 A at <= 440 V AC AC-1 for power circuit |
| Motor Power kW | 5.5 kW at 380...400 V AC 50/60 Hz AC-3; 7.5 kW at 500 V AC 50/60 Hz AC-3 |
| Motor Power HP | 3 HP at 200/208 V AC 50/60 Hz for 3 phases motors; 7.5 HP at 460/480 V AC 50/60 Hz for 3 phases motors |
| Control Circuit Type | DC low consumption |
| Control Circuit Voltage | 24 V DC |
| Auxiliary Contact Composition | 1 Normally Open (NO) + 1 Normally Closed (NC) |
| Rated Impulse Withstand Voltage | 6 kV conforming to IEC 60947 |
| Overvoltage Category | III |
| Rated Insulation Voltage | 690 V conforming to IEC 60947-4-1 for power circuit |
| Electrical Durability | 2 Mcycles at 12 A AC-3 at Ue <= 440 V |
| Mechanical Durability | 30 Mcycles |
| Connections - Terminals | Screw clamp terminals for power and control circuits |
| Tightening Torque | 1.7 N.m for power circuit terminals; 1.7 N.m for control circuit terminals |
| Operating Time | 65.45...88.55 ms closing; 20...30 ms opening |
| Standards | CSA C22.2 No 14, EN 60947-4-1, EN 60947-5-1, IEC 60947-4-1, IEC 60947-5-1, UL 508 |
| Product Certifications | GOST, BV, CSA, DNV, RINA, CCC, LROS, GL, UL |
| IP Degree of Protection | IP20 front face conforming to IEC 60529 |
| Ambient Air Temperature for Operation | -5...60 °C |
| Ambient Air Temperature for Storage | -60...80 °C |
| Operating Altitude | 3000 m without derating |
| Fire Resistance | 850 °C conforming to IEC 60695-2-1 |
| Flame Retardance | V1 conforming to UL 94 |
| Dimensions (H x W x D) | 77 mm x 45 mm x 95 mm |
| Net Weight | 0.485 kg |
The Schneider LC1D12BL is a high-performance contactor from the renowned TeSys D series, designed to facilitate the control of electric motors and resistive loads. This compact and efficient contactor is engineered to handle a rated operational current of 12 A under AC-3 utilisation category, making it suitable for a variety of industrial applications.
With a power circuit voltage rating of up to 690 V AC and a control circuit voltage of 24 V DC, the LC1D12BL ensures reliable operation across a broad range of operating conditions. Its 3-pole configuration with 3 normally open (NO) contacts allows for straightforward integration into electrical systems, while the low consumption DC coil contributes to energy efficiency.
The contactor's robust design includes a built-in bidirectional peak limiting diode suppressor, which helps to manage voltage spikes and enhance the longevity of the device. It also boasts an impressive rated impulse withstand voltage of 6 kV, in compliance with IEC 60947 standards, ensuring resilience against electrical disturbances.
The LC1D12BL is also characterised by its compliance with international standards, including EN 60947-4-1 and EN 60947-5-1, which attest to its quality and reliability. Its compact dimensions and flexible mounting options make it an excellent choice for space-constrained environments, while its straightforward wiring facilitates easy installation and maintenance.
This contactor is a testament to Schneider Electric's commitment to sustainability, as it is part of the Green Premium product line, ensuring compliance with the latest environmental regulations and standards. Whether used in control panels, machinery, or automation systems, the LC1D12BL is a dependable solution for controlling motors and loads with precision and reliability.
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Frequently Asked Questions
What is the utilisation category for this contactor?
The contactor is suitable for utilisation categories AC-1, AC-3, and AC-4, making it versatile for various applications including resistive loads and motor control.
Can this contactor be used for controlling motors?
Yes, the contactor is designed for motor control applications and can handle motor power up to 5.5 kW at 380...400 V AC 50/60 Hz in AC-3 utilisation category.
What type of control circuit does the contactor have?
The contactor features a DC low consumption control circuit, which is efficient and suitable for systems that require energy-saving solutions.
What is the rated operational voltage of the contactor?
The contactor has a rated operational voltage of up to 690 V AC for the power circuit, making it suitable for a wide range of industrial applications.
What is the coil voltage for this contactor?
The coil voltage for the LC1D12BL contactor is 24 V DC, which is a common and convenient option for many control systems.
What is the IP degree of protection for this contactor?
The contactor has an IP20 degree of protection for the front face, conforming to IEC 60529 standards, which provides a basic level of protection against solid objects.
What are the dimensions of the contactor?
The contactor measures 77 mm in height, 45 mm in width, and 95 mm in depth, making it compact and suitable for installation in various environments.
What is the rated operational current for this contactor?
The contactor has a rated operational current of 12 A at <= 440 V AC in AC-3 utilisation category, which is ideal for controlling small to medium-sized motors.
Does the contactor come with auxiliary contacts?
Yes, the contactor includes 1 normally open (NO) and 1 normally closed (NC) auxiliary contact, which can be used for signalling and interlocking purposes.
What is the ambient operating temperature range for the contactor?
The contactor can operate within an ambient temperature range of -40 to 60°C, with derating required for temperatures between 60 to 70°C.
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