170N3433

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Electrical fuses have been around for over a century as one of the first electrical protection devices. Specialty fuses are a type of fuse that is used for more specialized tasks than regular fuses. They are used in a variety of applications that require a higher degree of current protection. The 170N3433 is a specialty fuse specifically designed for industrial applications.

The 170N3433 is a ceramic body, time-delay fuse featuring a dual element structure with a high compression rate. It has an operating voltage range of 250V AC with an interrupting rating of 6KA at 250V. It is also designed to comply with the requirements of EN 60127-2 and EN 60898-1. The dual element structure allows for time-delay fuse protection, in which the arc is extinguished in an early stage and the thermal element will slowly open the circuit before the interruption is complete. This provides additional protection having a time-delay curve that can respond safely and accurately to a varying range of inrush currents.

The 170N3433 can be used in many applications such as motor starters, electronic starters, UPS systems, HVAC systems, lighting fixtures, welding machinery, variable speed drives, and frequency converters. It is particularly suited for motor protection due to its high compression rate and its ability to respond to rapid current shifts. It can also be used in fire detection systems to provide a fire-resistant and anti-sparking circuit.

The working principle of the 170N3433 is based on the heating and melting of a fusible element. When the current exceeds the fuse rating, the steady-state current is interrupted due to the high temperature caused by the electrical energy. The time-delay feature ensures that the interrupted current is limited and provides an additional layer of protection. If the current overload is high, the fuse will not open immediately but will open gradually, allowing for a certain amount of time to take corrective measures.

The 170N3433 is a reliable and robust fuse that is designed to protect electrical circuits from major current overloads. Its time-delay feature and dual element structure provide effective and long-lasting protection for a wide variety of applications. The fuse is designed to comply with the safety standards and can be used with confidence in motor protection and other industrial applications.

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