The ALSTOM LC105A-1 functions as a high – performance contactor. It is primarily used to switch electrical loads on and off in industrial control circuits. With its robust construction, it can handle significant electrical currents, making it suitable for powering motors, heaters, and other high – power industrial equipment. The contactor operates based on an electromagnetic principle. When an electrical signal is applied to its coil, it generates a magnetic field that attracts the contacts, closing the circuit and allowing current to flow to the connected load.
Model Number LC105A-1
Brand ALSTOM
Type Contactor
Rated Operational Voltage 24 – 690V AC (suitable for a wide range of industrial power systems)
Rated Operational Current 105A (capable of handling high – power loads)
Coil Voltage Available in multiple standard voltages (e.g., 24V DC, 110V AC, 220V AC) for flexibility in different control circuits
Contact Material Silver – alloyed contacts for low contact resistance and long – lasting performance
Operating Temp Range -25°C to +70°C (able to function in a variety of environmental conditions)
Mounting Style Screw – mounting or DIN – rail mounting (35mm), providing installation options to suit different control panel setups
Dimensions 110mm x 80mm x 100mm (W x H x D) (compact size for space – efficient installation)
Weight 500g
Compliance IEC 60947 – 4 – 1, CE, UL 508 (meeting international safety and quality standards)
Number of Pole3 – pole (standard configuration for three – phase industrial applications)
Auxiliary Contacts
1NO + 1NC (normally – open and normally – closed auxiliary contacts for additional control and signaling functions)
The ALSTOM LC105A-1 functions as a high – performance contactor. It is primarily used to switch electrical loads on and off in industrial control circuits. With its robust construction, it can handle significant electrical currents, making it suitable for powering motors, heaters, and other high – power industrial equipment. The contactor operates based on an electromagnetic principle. When an electrical signal is applied to its coil, it generates a magnetic field that attracts the contacts, closing the circuit and allowing current to flow to the connected load.
LC105A-1
One of the key features of the LC105A-1 is its high – breaking capacity. It can safely interrupt large currents, protecting the connected equipment from damage in the event of short circuits or overloads. This is achieved through advanced arc – quenching technology, which rapidly extinguishes the electrical arcs that form when the contacts open, preventing overheating and electrical fires.
The contactor also offers a high degree of reliability. It is designed to withstand a large number of switching cycles, reducing the need for frequent replacements and minimizing downtime. Its compact design allows for easy installation in control panels, saving valuable space. Additionally, it is equipped with auxiliary contacts, which can be used for signaling, interlocking, or controlling other devices in the industrial control system.
LC105A-1
Technical specifications:
Model Number LC105A-1
Brand ALSTOM
Type Contactor
Rated Operational Voltage 24 – 690V AC (suitable for a wide range of industrial power systems)
Rated Operational Current 105A (capable of handling high – power loads)
Coil Voltage Available in multiple standard voltages (e.g., 24V DC, 110V AC, 220V AC) for flexibility in different control circuits
Contact Material Silver – alloyed contacts for low contact resistance and long – lasting performance
Operating Temp Range -25°C to +70°C (able to function in a variety of environmental conditions)
Mounting Style Screw – mounting or DIN – rail mounting (35mm), providing installation options to suit different control panel setups
Dimensions 110mm x 80mm x 100mm (W x H x D) (compact size for space – efficient installation)
Weight 500g
Compliance IEC 60947 – 4 – 1, CE, UL 508 (meeting international safety and quality standards)
Number of Pole3 – pole (standard configuration for three – phase industrial applications)
Auxiliary Contacts
1NO + 1NC (normally – open and normally – closed auxiliary contacts for additional control and signaling functions)
Contact Us Phone:+86 16626708626 WeChat/WhatsApp:+86 16626708626 Email: 3772179818@qq.com
LC105A-1
Main features and advantages:
The ALSTOM LC105A-1 offers several distinct benefits to industrial operations. Its high – breaking capacity and reliable performance make it an ideal choice for applications where safety and equipment protection are paramount. In a power generation plant, for instance, it can be used to control the starting and stopping of large – capacity motors that drive generators or cooling systems. The ability to handle high currents and safely interrupt circuits in case of faults ensures the stable operation of the power plant and prevents costly damage to the equipment.
The wide range of available coil voltages allows for easy integration into different industrial control systems. Whether in a small – scale workshop with a 24V DC control system or a large industrial complex with a 220V AC power grid, the LC105A-1 can be configured to operate seamlessly. The long service life, with a high number of switching cycles, reduces maintenance costs over time. This is especially valuable in industries where continuous operation is critical, such as in the food and beverage sector, where any production downtime can lead to significant losses.
LC105A-1
Application areas:
The ALSTOM LC105A-1 finds applications in a diverse range of industries. In the automotive manufacturing industry, it is used to control the power supply to robotic welding equipment, conveyor systems, and paint – spraying machinery. The precise switching capabilities of the contactor ensure accurate control of these devices, contributing to high – quality production.
In the mining industry, where equipment operates in harsh and demanding conditions, the LC105A-1 can be used to power and control pumps, ventilation fans, and crushers. Its ability to withstand extreme temperatures and vibrations makes it a reliable choice for these rugged applications.
In the water and wastewater treatment industry, the contactor is used to control the operation of pumps, valves, and aerators. By accurately switching these devices on and off, it helps maintain the proper flow and treatment processes, ensuring clean water supply and effective wastewater management.
LC105A-1
Related products:
ALSTOM LC095A – 1 – A lower – current variant (95A rated operational current) suitable for applications with slightly lower power requirements.
ALSTOM LC125A – 1 – A higher – current version (125A rated operational current) designed for powering even larger industrial loads.
ALSTOM LC105A – 1R – A redundant contactor with dual – coil design, providing enhanced reliability in critical applications where uninterrupted operation is essential.
ALSTOM CT – 100 – A current – transformer module that can be paired with the LC105A – 1 to monitor the current flowing through the load, enabling better control and protection.
ALSTOM LC105A – 1 – EXT – An extension module that adds additional auxiliary contacts, expanding the control and signaling capabilities in complex industrial control systems.
Installation and maintenance:
Installing the ALSTOM LC105A-1requires careful attention to electrical safety and proper wiring. The power supply wires should be connected to the appropriate terminals, ensuring that the rated current and voltage requirements are met. When using the DIN – rail mounting option, it should be securely fastened to the 35mm DIN rail in the control cabinet.
During installation, it is crucial to ensure that the contactor is installed in a clean, dry environment, away from sources of excessive dust, moisture, or corrosive gases. The coil voltage should be checked to match the control circuit voltage, and the auxiliary contacts should be wired correctly to perform their intended functions.
For ongoing maintenance, regularly inspect the contactor for signs of wear, such as pitted contacts or overheating. Check the connection terminals for tightness to prevent loose connections, which can cause electrical resistance and overheating. If the contactor shows signs of abnormal operation, such as erratic switching or excessive noise, it may be necessary to replace it to avoid potential equipment failures.
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Email: 3772179818@qq.com
Phone: +86 16626708626
