MDM19-C21-01A174N

Series:	*
Part Status:	Active

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MDM19-C21-01A174N Application Field and Working Principle

The MDM19-C21-01A174N is a circuit breaker that is designed to provide protection against overcurrents in hazardous or potentially hazardous electrical installations. It is a three-phase, compact, modular system designed for use in distribution panels and industrial equipment. It has the ability to interrupt excessive currents before the circuit is damaged due to overheating or short circuit.

Application Field

The MDM19-C21-01A174N circuit breaker is suitable for use in hazardous areas, as it is certified to the UL, ATEX, and IECEx standards. It is designed for use in industrial applications such as power plants, oil and gas refineries, and chemical plants. Additionally, it can be found in a variety of non-hazardous applications including residential, commercial, and light industrial settings.

Working Principle

The MDM19-C21-01A174N circuit breaker operates on a principle whereby current is detected by one or more of its internal sensors and the breaker is triggered in the event of an overcurrent. The system is designed to ensure that the circuit breaker can detect an overcurrent and immediately trigger the opening of the contacts before any damage is caused to the circuit. The circuit breaker is designed to protect against short-circuit currents as well as overloads, and the trip system is designed to ensure that the breaker does not trip unnecessarily.

Safety

The MDM19-C21-01A174N circuit breaker is designed to provide effective protection against electrical hazards. It is designed to provide reliable overcurrent protection and is tested and certified to the IEC 60947-2 standard. The circuit breaker is designed to provide short-circuit protection and is designed to only trip in the event of an overcurrent. In addition, the circuit breaker is designed to provide a predictable trip threshold, ensuring that the breaker only trips when the current exceeds its rated current.

Maintenance

The MDM19-C21-01A174N circuit breaker is designed to provide reliable protection against overcurrents. However, periodic maintenance should be undertaken to ensure that the breaker is operating correctly and that the installed components are in good condition. The circuit breaker should be inspected at least annually to make sure that the circuit breaker parts are free of damage or corrosion, and that the breaker is in proper working order. Additionally, the internal contacts should be inspected to make sure that they are properly aligned and that the contact surfaces are in good condition.

Conclusion

The MDM19-C21-01A174N is a three-phase circuit breaker designed for use in hazardous or potentially hazardous electrical installations. It is certified to the UL, ATEX, and IECEx standards and is designed to provide reliable protection against overcurrents. The circuit breaker can detect excessive currents and immediately trigger the opening of the contacts before any damage is caused to the circuit. Additionally, the circuit breaker is designed to provide a predictable trip threshold, ensuring that the breaker only trips when the current exceeds its rated current. Periodic inspection and maintenance should be undertaken to ensure that the installed components are in good condition and are operating correctly.

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