3G20UM

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Circuit breakers are one of the most important safety devices in modern electrical systems, and are used to protect circuits against overcurrent and short circuits. A 3G20UM is an example of the latest generation of circuit breakers designed to provide the highest level of protection while providing the most efficient performance in their application field.

The 3G20UM has been designed specifically for use as an overload and short circuit protection device in areas where there are potentially high levels of current, such as in larger commercial and industrial applications. The 3G20UM provides a wide range of protective features such as overcurrent, overvoltage, grounding, motor protection and directional-overcurrent protection. This makes the device ideal for installations in high current areas, reducing installation and maintenance costs.

The 3G20UM works by monitoring the current running through the circuit and, if necessary, cut off the power to prevent damaging levels of current from developing. It does this by using a bi-metallic thermal element which heats up as current runs through it. When this element reaches a certain temperature, it triggers a mechanism which opens the circuit breaker and shuts off power.

When the breaker operates, its mechanism typically causes an audible or visual alarm. This allows the user to be alerted when the 3G20UM has been tripped, allowing them to take corrective action. This can range from simple checks on the condition of their wiring, to replacing a defective circuit breaker.

The 3G20UM circuit breaker can also be fitted with a number of additional features according to its application. These include auxiliary contacts which allow for remote signal switching, shunt trips for use with safety devices such as smoke detectors, and current limiters for additional protection against excessively high currents.

The 3G20UM also has a unique design which allows it to be configured to suit any voltage requirements. This helps to ensure that the device is compatible with a range of different applications in varying electric systems, from residential settings to larger industrial settings.

The 3G20UM offers the highest level of safety for electric systems in which it is installed, and its innovative design makes it one of the most efficient and reliable circuit breakers available today. Its wide range of features, reliable performance, and easy installation make it the perfect choice for any system requiring circuit breaker protection.

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