IULHK1111-40520-30 Circuit Protection

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Introduction

IULHK1111-40520-30 is a type of circuit breakers from International Union for Laboratory, Home and Kitchen (IULHk) with the model number of 1111-40520-30. It is highly applicable to the fields of general circuits, residence and industrial applications.

Overview of the IULHK1111-40520-30 Circuit Breakers

The IULHK1111-40520-30 is a kind of miniature circuit breaker (MCB) made by IULHk and it is designed with the purpose of interrupting normal or abnormal currents in circuits. This particular circuit breaker has an operating voltage of 240/380Vac and the rated current is 30A with the DIN rail installation.

It also features a wide scope of operation temperature from -40 to +85 degrees celsius and the product is UL/CUL certified. Furthermore, the IULHK1111-40520-30 also has international certifications and is endorsed by many countries.

Depending on the purpose of usage, it can be divided into two types of switch-off: thermal and magnetic. The thermal switch-off uses bimetal as a temperature sensor that is connected in series in the circuit. When electric current passes through the bimetal, it produces heat, which will cause the bimetal to heat up and expand. The expansion of bimetal will cause the circuit to be broken

On the other hand, the magnetic switch-off is triggered when the current in the circuit goes beyond a predetermined limit. It consists of a coil, a permanent magnet and contacts. When an over-limit current is flowing through the coil, which will increase the magnetic force of the permanent magnet, leading to an opening action of the contacts.

Advantages of IULHK1111-40520-30 Circuit Breakers

The IULHK1111-40520-30 has a higher breaking capacity than other types of circuit breakers, which is beneficial for preventing the occurrence of short-circuits and over-current from damaging the electrical appliances or electric circuits. It is designed to be compact and lightweight, therefore it can be easily installed in confined spaces.

The use of vacuum technology ensures that the arcing of the internal contacts will cause a minimal amount of residual voltage wave in the circuit when it is broken. This will aid in protecting the sensitive electrical appliances that are connected in the circuit.

The long service life of the IULHK1111-40520-30 is another major advantage. It has a design life of up to 10 years. This means that it does not need to be regularly replaced, saving costs and resources in the long run.

Conclusion

The IULHK1111-40520-30 is an advanced circuit breaker that provides numerous benefits for general circuit applications, residence and industrial applications. It is highly advantageous since it has a high breaking capacity and a long service life of up to 10 years. It also utilizes the innovative vacuum technology to reduce the arcing of the internal contacts and minimize the risks associated with residual voltage wave in the circuit.

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