219-3-7340-136

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Circuit Breakers

The term circuit breaker is used to describe electrical protective devices that open, or break, a portion of an electrical circuit upon a fault occurring. Circuit breakers protect electrical circuits from damage due to short circuits and overloads. They often are connected directly to a source of power, such as utility lines. The 219-3-7340-136 is a type of circuit breaker from the manufacturer Schneider Electric. This breaker is used in residential, commercial, and industrial applications.

When the current passing through the 219-3-7340-136 exceeds the set threshold, the magnetic coil surrounding the breaker\'s contacts generates a pulling force on the breaker that causes it to trip open and establish an open circuit. This eliminates the risk of an overload or short circuit on the circuit and protects against any fire resulting from the situation. The 219-3-7340-136 includes an adjustable coil which can allow the high current threshold setting to be changed, depending on the application. This becomes important in situations where the breaker may need to protect inrush current.

The 219-3-7340-136 is also equipped with a shunt trip for remote tripping. If this option is selected, an external current is sent to the coil on the breaker to cause it to trip open. This is often beneficial in systems where a fault may need to be identified and corrected from a remote location. The external current is usually connected to an Ethernet or serial network and can be used to monitor and control the 219-3-7340-136 circuit breaker.

The construction of the 219-3-7340-136 is designed to maximize the internal contact resistance. It includes silver-cadmium oxide contact surfaces, which reduce the overall ripple current, and also the formation of deposits on the contacts, allowing for a longer life expectancy. The single-pole construction also helps reduce arcing at the contact points, which can cause erosion, resulting in a lower insulation resistance with time.

In comparison to standard circuit breakers, the 219-3-7340-136 does not require the same maintenance or reserve capacity and is ideal for environments requiring a reliable and consistent electrical circuit protection. Due to its versatility, it can be used in a variety of residential, commercial and industrial applications, including those involving radio waves, home theaters, theatrical systems, communications systems, automatic control systems, power supplies, and more.

Overall, the 219-3-7340-136 circuit breaker provides an economical and efficient way to protect electrical circuits against fluctuating voltages caused by short circuits and overloads. Its efficient construction provides reliable protection with increased contact resistance and improved longevity, making the circuit breaker an excellent choice for a variety of applications.

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