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170M4665 Application Field and Working Principle

As an important product in the field of electrical specialty fuses, 170M4665 circuit breaker is designed to protect electrical systems from damage caused by overloads and short circuits. The product has a wide application field and unique working principles, which will be introduced in the following sections.

Application Field

170M4665 circuit breakers can be used in many fields including:

• Household and industrial electrical systems.
• Motor starters, transformer power supplies and remote control systems in various industries including telecommunication, transportation and energy production industries.
• Harmonic and non-linear loads, including AC/DC drives, DC power supplies, UPS and inverters.
• Various motor protection applications including winding protection and phase imbalance.
• Circuit protection in industrial automation applications.
• Connectable motor protection relays.

Working Principle

The working principle of 170M4665 circuit breaker is usually divided into three levels:

1. Cutoff: When the current in a circuit rises above the rated level, the circuit breaker will automatically switch off the power supply immediately.
2. Retention: After the current is below the rated level, the circuit breaker will remain in the switched-off position.
3. Automatic Resetting: The circuit breaker will automatically reset after a certain amount of time.

The circuit breaker will not have any adverse effects on the circuit beyond interrupting the power supply. It can work reliably with minimal maintenance over long working cycles.

Overload Protection

The overload protection of 170M4665 circuit breaker is realized by means of the bimetalic element thermally coupled with the operating mechanism of the breaker. When an overload occurs, the bimetalic element is heated and causes the operating mechanism to switch off the power supply. When the temperature to the bimetalic element falls sufficiently, the breaker will automatically reset.

Short Circuit Protection

The short circuit protection of 170M4665 circuit breaker is realized by the use of a magnetic element connected to the rated current of the breaker. When a short circuit occurs, the magnetic element produces a magnetic circuit which causes the breaker to switch off the power supply. When the short circuit is released, the breaker will automatically reset.

Conclusion

In conclusion, 170M4665 circuit breaker has a wide application range and unique working principles, which make it the ideal choice for many electrical protection applications. The breaker is designed with reliable overload and short-circuit protection mechanisms, making it a cost-effective and reliable solution for any electrical system.

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