Reversing Contactor 4kW | 20A | 230-690V | LC2K0910B72 Telemecanique

Technical Data:

Rated Operating Voltage:

Power Circuit: 690 V AC, 50/60 Hz.
Signaling Circuit: ≤ 690 V AC, 50/60 Hz.
Rated Working Current:

20 A (at temperatures below 50 °C) for ≤ 440 V AC AC-1 power circuit.
16 A (at temperatures below 70 °C) for 690 V AC AC-1 power circuit.
9 A for ≤ 440 V AC AC-3 power circuit.
Motor Power:

2.2 kW (220...230 V AC, 50/60 Hz).
4 kW (380...415 V AC, 50/60 Hz).
4 kW (440 V AC, 50/60 Hz).
4 kW (480 V AC, 50/60 Hz).
4 kW (500...600 V AC, 50/60 Hz).
4 kW (660...690 V AC, 50/60 Hz).
Control Circuit Type: AC 50/60 Hz.

Control Circuit Voltage (Uc): 24 V AC 50/60 Hz.

Rated Impulse Withstand Voltage (Uimp): 8 kV.

Overvoltage Category: III.

Normal Air Thermal Current (Ith):

20 A (at 50 °C) for power circuit.
10 A (at 50 °C) for signaling circuit.
IP Protection Rating: IP20 according to VDE 0106.

Operating Environmental Air Temperature: −25 °C … +50 °C.

Storage Environmental Air Temperature: −50 °C … +80 °C.

Application:

Industrial Systems: Contactors are primarily used in industrial equipment requiring control of power supply and ensuring safe operation of systems. These can include electric motors, heating devices, cooling systems, and other industrial equipment.
Automated Control Systems: Contactors are used in automated control systems where it is necessary to perform equipment switching and shutdown functions based on set parameters. This can include production lines and commercial applications, such as lighting control.
Signaling Systems: Contactors are also used in signaling and protection systems where there is a need to protect equipment from overvoltage or other system faults, ensuring proper operational status and fault response.
Motor Protection and Control: Contactors are used in industrial motors to ensure efficient control, especially when managing motor start/stop based on specific voltage and current parameters.
Advantages:

Wide Operational Voltage Range: The contactor operates at voltages up to 690 V AC, making it suitable for various industrial and commercial systems requiring high voltage control.
High Current Control Range: This contactor can control up to 20 A at 50 °C, ensuring high performance and versatility across various electrical system parts.
Sturdy and Reliable Construction: The contactors are designed to high safety and durability standards, with an IP20 protection rating, making them suitable for various industrial applications.
Wide Temperature Range: It operates across a wide temperature range from −25 °C to +50 °C, making it suitable for both cold and warm working environments.
Surge Protection: With an 8 kV impulse withstand voltage and overvoltage category III, it ensures high protection from electrical surges, which is crucial in sensitive industrial systems.
Disadvantages:

High Cost: Contactors with such specifications, including high voltage and current, may be more expensive than simpler models, potentially adding costs, especially for smaller systems.
Lack of Simple Installation Conditions: Although installation and use are straightforward, certain environmental conditions (e.g., high humidity or extreme temperatures) may require additional protection or special installation conditions.
Protection Rating: The IP20 protection rating, while suitable for most indoor applications, is insufficient for outdoor use or in humid environments without additional protection, such as protective boxes.
This 3P Contactor is a reliable and versatile control device designed for various industrial and commercial equipment, where large voltage and current circuits need to be managed. With a wide operational voltage range and the ability to control motor power, the contactor is suitable for both industrial production lines and complex automated systems. It ensures high safety and long-term performance but may be more expensive than simpler devices and may require special installation conditions.