ALZ51F18W

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Power relays with a current rating over 2amps are often found in industrial and commercial areas, such as manufacturing plants, garages, and farms. They are typically used to turn circuits on or off, control the level of current in a circuit, and/or protect a circuit from being overloaded. The ALZ51F18W is an example of a power relay that falls within the above description. By understanding its application field and working principle, one can better determine if it is the best option for their particular needs.

Application Field:

The ALZ51F18W is a standard electromagnetic power relay designed to handle current levels in the range of 1.5 to 18 amps. This makes it suitable for a variety of applications, including:

• Controlling the current in a refrigerator\'s compressor (1.5 to 5.5amps)
• Shutting off electricity to a motor during overload (5.5 to 18amps
• Controlling current in an air conditioner (3 to 18amps)
• Controlling signals within an industrial automation system (1.5 to 6amps)
• Controlling voltage within a point of sale system (3 to 18amps)

The ALZ51F18W is a robust power relay suitable for applications with a wide range of current ratings.

Working Principle:

The ALZ51F18W is an electromechanical relay that requires an external voltage source, such as an AC or DC voltage, in order to operate. When the applied voltage exceeds the specified threshold, the ALZ51F18W\'s coil creates a magnetic field that attracts the internal metal armature and closes the electrical contacts. This action connects the voltage source to the drain (or load) circuit, thus providing the desired power.

When the applied voltage drops below a certain level, the armature is released, which causes the contacts to open and disconnect the voltage source from the drain (or load) circuit. This action protects the circuit from further overloads or damaging power spikes.

The ALZ51F18W is an extremely reliable power relay designed for use in a variety of applications. By understanding its application field and working principle, one can confidently choose the best option for their particular needs.

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