R11-4-20.0A-40871-2-V

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Circuit Breakers are quite possibly the most important part of any electrical system. Not only do they protect both the equipment and the personnel involved in the use of electricity, but they also provide an effective way of controlling and monitoring the flow of electricity within a system. The R11-4-20.0A-40871-2-V Circuit Breaker is an especially versatile and reliable option in this field of electrical safety and control.

Application Field

The R11-4-20.0A-40871-2-V Circuit Breaker is designed for use in medium and low voltage electrical systems such as residential, commercial, industrial and agricultural systems. This particular circuit breaker is approved by Underwriters Laboratories (UL), making it a popular choice for many applications. The breaker is capable of switching three-phase a.c. circuits of up to 600V, and can be used in both indoor and outdoor locations. This circuit breaker also has the standout feature of being incredibly shockproof, making it an incredibly safe option.

Working Principle

The working principle of the R11-4-20.0A-40871-2-V Circuit Breaker is based on a bimetal strip that is adjustable to the current ratings necessary for a particular application. The bimetal strip is composed of two different metals that expand and contract at different rates when exposed to heat. When a large current passes through the strip, the heat generated causes the bimetal strip to expand and bend. This motion trips the contactor, breaking the circuit.

When the heat is no longer present, the bimetal strip cools, resetting the breaker and restoring power. The R11-4-20.0A-40871-2-V Circuit Breaker can also be reset manually, should the current trip not occur for any reason. This makes the breaker much easier to reset, allowing for greater flexibility and cost efficiency.

The R11-4-20.0A-40871-2-V Circuit Breaker also features a variety of attachment points, allowing for a wide range of additional features to be added onto the breaker. These features include overload, short-circuit and over temperature protection, as well as ground current monitoring and test switch functionality. This allows for the circuit breaker to be used in highly specialized applications, where maximum protection is required.

Conclusion

The R11-4-20.0A-40871-2-V Circuit Breaker is an ideal option for applications that require a reliable and robust breaker. The shock resistant design and bimetal strip working principle combine to make this a great choice for medium and low voltage electrical systems in need of greater protection. The addition of attachment points also make this breaker perfect for highly specialized applications, where maximum protection is required. All in all, the R11-4-20.0A-40871-2-V Circuit Breaker is an ideal choice for a range of electrical applications.

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