LY4-DC48

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Power relays with over 2 Amps are commonly found in applications such as motor control, automotive and industrial automation, and switchgear. The LY4-DC48 is a contactless power relay designed for such uses. It has a wide operating temperature range from -40 degree Celsius to 105 degree Celsius and is capable of switching 10A resistive load at 240VAC. It features a small size, rapid switching and low electric noise, making it suitable for use in a variety of environments. It also offers up to 10,000 operations at rated load, making it reliable and durable. In this article, we will discuss its application field and working principle.

Application Field of the LY4-DC48

The LY4-DC48 can be used for the following applications:

• Motor control – It controls motor\'s actions and act as a switch to start and stop motors or to change the direction of the motor.
• Automotive – It is used in various automotive applications such as brakes, headlights, windshield wipers, and power windows.
• Industrial automation – It is used in controlling process, machine tool and manufacturing automation, as well as in factory automation.
• Switchgear – It is used in switching on or off various devices or circuits.
• Other applications – The LY4-DC48 is also used in home equipment, office equipment, medical equipment, and various consumer products.

Working Principle

The LY4-DC48 is a contactless power relay that requires no contact for switching on the circuit. Instead, an electromagnetic force is used to move an internal switch when the voltage on the control pins changes. It comprises of three main components – the coil, the armature, and the contacts. When the voltage on the control pins is applied, the coil generates an electromagnetic field that attracts the armature. The armature is connected to the contacts that then open or close the circuit depending on the polarity of the voltage applied.

The LY4-DC48 has several protection features that prevent damage due to current overload, voltage fluctuation, and temperature changes. It has a built-in temperature protection and is designed to open the circuit when the temperature rises above a certain level. It also has a reverse polarity protection feature that prevents the control pins from being damaged by a reverse voltage. Additionally, there is a current overload protection feature which limits the maximum current allowed into the circuit. This helps to prevent the coil from overheating and damaging the relay.

The LY4-DC48 is a reliable and durable power relay that is ideal for use in a variety of applications. Its contactless design helps to ensure smoother operation and reduce the risk of electrical shock. Its protection features also make it suitable for use in harsh environments. With its rapid switching and low electric noise it is an excellent choice for motor control, automotive, industrial automation, and switchgear applications.

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