0472001.MXL

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0472001.MXL Fuses

The 0472001.MXL is a fast blow, single pole micro-sized fuse that is designed for use with medium voltage switchgear in motor control applications. It is designed to protect small motors from the high currents that can be produced by short circuit faults and overloads. The 0472001.MXL fuse has a small size yet packs a powerful protection for electric motors, making it a great choice in many settings.

Application Field

The 0472001.MXL fuse is used in medium voltage applications, such as motor control, air conditioning systems, and instrumentation. It is designed to provide overcurrent protection at currents up to 415 amperes (A), with a rated voltage of up to 480 Volts (V). The 0472001.MXL is also suitable for use with all types of medium voltage motor starters, ranging from 15 to 1140 horsepower. It is UL listed and meets the requirements of CSA-C22.2.

The 0472001.MXL is also suitable for residential applications, such as surge protection for refrigeration circuits. The fuse is designed to protect the motor from short circuit damage and overheating. The fuse can be used in both new and existing installations.

Working Principle

The 0472001.MXL fuse works on the principle of resistance. In a closed circuit, all electrical components, including the fuse, must offer resistance to the current flow. When the amount of current flowing through the circuit exceeds the rating of the fuse, the resistance offered by the fuse increases rapidly. This causes the fuse to become hot and eventually fail, thereby breaking the circuit and protecting the motor from damage.

The fuse will generally fail at currents two to four times higher than its rated current. This is known as the “time-current characteristic” of the fuse, and is an important factor in the selection of fuses. The time-current characteristics of the 0472001.MXL fuse are designed to provide optimum overcurrent protection for medium voltage motors.

It is important to note that fuses do not provide protection from other types of faults, such as motor bearing failure, thermal cut-out failure, or other mechanical failures. Therefore, it is important to ensure that all types of system protection are installed and functioning correctly.

Advantages

The 0472001.MXL fuse offers several advantages over traditional fuses. Its small size makes it easy to install in applications with limited space. It also provides current interruption at currents up to three or four times higher than its rated current, offering greater protection for motors. Additionally, the fuse is UL listed and meets CSA requirements, making it a safe choice for all types of medium voltage motor applications.

Conclusion

The 0472001.MXL fuse is an excellent choice for medium voltage applications requiring fast overcurrent protection for motors. Its small size and time-current characteristics make it ideal for these types of applications. Additionally, the fuse is UL listed and meets CSA requirements, making it a safe and reliable choice for all types of electric motor installations.

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