ECL155-20E

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ECL155-20E Application Field and Working Principle

Electrical, Specialty Fuses have various application fields and uses, and ECL155-20E type is one such product. The ECL155-20E fuse is a dual circuit protection, 11000A, 600VAC, thermobreakable fuse. The ECL155-20E fuses are designed specifically to provide multiple current protection for medium and large-scale electrical systems. It is used to protect circuits from excessive current and prevent the equipment from any possible damage.

Technical Specifications

The technical specifications of the ECL155-20E type includes: Rated current: 11000A; Rated voltage: 600VAC; Rated breaking capacity: 61.6kA; Rated frequency: 50-60 Hz; Rated power: 7.5kW; Poles configuration: 3; Operating temperature range: -55°C to +105°C(-67°F ~221°F). The dimensions of the fuses are 260mm in diameter, 217mm in height and 25.4mm in width.

Application Field

The ECL155-20E type fuse has various application fields. It is mainly used for the protection of the medium and large-scale electrical systems, such as distribution centers, substations, industrial power supplies, cable networks, etc. With its great current protection and very high breaking capacity, it provides a complete protection for the electrical systems and ensures the safety of the operations.

Working Principle

The ECL155-20E type fuse works on the principle of thermal-magnetic operation, which involves both thermal and magnetic effects. The fuse is designed with two independent elements which have a thermal-magnetic switching principle. It consists of a magnetic element, which is in charge of the detection of overloads, and a thermal element responsible for the disconnection of the circuits when an excessively high current flows. When the rated current flows through the fuse, the thermal element will take about 5 seconds to reach its melting point, and the magnetic element will kick in and react to the current imbalance by cutting off the circuit to reduce the risk of damages.

Conclusion

The ECL155-20E fuse is an efficient way to protect the medium and large-scale electrical systems from overloads and current imbalances. It works based on the thermal-magnetic operation principle and it has a short response time, enabling it to react quickly to abnormal currents and shut down the circuit. With its great current protection and high breaking capacity design, it is perfect for many applications and provides reliable protection for the electrical systems.

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