CL-150A

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Inrush Current Limiters (ICLs), also known as Surge Current Limiters, are devices designed to reduce the surge in current that is generated when an electrical or electronic device is powered on. The CL-150A is a popular ICL used in various applications, and this article will discuss its uses, its working principle, and its advantages.

The CL-150A is a thermistor-based inrush current limiter that is designed to limit transient inrush currents from one-time energization of AC or DC circuits in TVs, domestic appliances, cooling systems, high power electronic and lighting systems. It can be used to limit inrush currents in both AC and DC circuits, with a wide voltage range that can go up to 999V. This ICL also has a high inrush current capability of 9A and a wide range of operating temperatures of -25°C to 85°C, making it suitable for a variety of applications.

The working principle of the CL-150A is based on the resistance-temperature characteristic of a PTC thermistor. When the circuit is powered off, a small amount of current (phantom current) flows through the PTC thermistor and the resistance is kept low. When the circuit is powered on, the inrush current increases rapidly, which causes the resistance of the PTC thermistor to increase exponentially. This increase in resistance will limit the inrush current and protect the circuit from damage.

The CL-150A is widely used in many applications, such as control circuits, lighting circuits, heating circuits, switching circuits, etc. It offers protection from inrush current for a wide range of circuit components, including semiconductors, fuses, transformers, capacitors, and resistors. Furthermore, it can be used to reduce power losses and start-up time in motors and other electrical systems.

The CL-150A has several advantages over other types of inrush current limiters. It is designed with a pressure contact connection, which increases consistent and reliable operation. It also has a high inrush current capability and its resistance increases exponentially, which makes it more effective in limiting inrush currents than other conventional ICLs. Additionally, it is cost-effective, requires low maintenance, and has a low total cost of ownership.

In conclusion, the CL-150A is a reliable and cost-effective thermistor-based inrush current limiter that offers superior protection from inrush current damage. It is suitable for a wide range of applications, including control circuits, switching circuits, lighting circuits, and motors. It offers a high inrush current capability and is designed with a pressure contact connection for consistent and reliable operation. Additionally, it requires low maintenance and has a low total cost of ownership.

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