ALE72B48

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Power relays are considered an important safety component in most electrical circuits. They help protect against electrical surges and other potential problems. One of the types of power relays, the ALE72B48, is used in a variety of applications and is designed to offer optimal performance and safety. In this article, we will discuss the application field and working principle of the ALE72B48.

Application Field

The ALE72B48 is a power relay with an output current rating of over 2 Amps. This type of relay is used in a variety of applications, such as automotive, industrial, mechanical, and electrical. The ALE72B48 can be found in control systems, power supplies, and general-purpose switching applications. Its high-speed switching ability makes it an ideal solution for these types of applications.

Working Principle

The ALE72B48 works by using a coil to activate a lever, which physically pulls an armature plate or contact into contact with a stationary contact. When the contacts touch, it closes the circuit. The coil is connected to an external power source. When the power is applied, it creates a magnetic field, which causes the lever to move and the armature plate to activate. When the power is removed, the lever moves back and the armature plate opens, breaking the circuit.

The ALE72B48 also has a movable contact arm, which is connected to a spring that keeps the contact arm in the default position until it is needed. When the contact arm is needed, the coil energizes and the spring allows the contact arm to actuate the contacts, completing the circuit.

The ALE72B48 also has a normally open (NO) contact, which is used to ensure that current flows only when the coil is energized. This NO contact disconnects the power when the coil is not energized. This protects the circuit from damage due to electrical surges or other potential problems.

The ALE72B48 is a robust and reliable power relay that is capable of withstanding high voltage and current spikes. Its operating temperature range is from -55°C to 125°C (-67°F to 257°F), allowing it to operate in extreme temperatures. It is also certified for use in hazardous locations.

The ALE72B48 is a powerful and reliable power relay that is built for many applications. Its more than 2 Amps output current rating makes it perfect for power supplies, control systems, and general-purpose switching applications. It provides reliable operation in extreme temperature ranges, and can handle high voltage and current spikes. As a result, it is an ideal choice for these types of applications.

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