GBB-V-20-R

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

In the field of electrical protection, fuses are an essential type of device as they provide overcurrent protection for power systems. The GBB-V-20-R fuse is a three-pole, mid-range voltage (1000-3000 V) fuse used for secondary fault protection in the power distribution systems of large commercial and industrial installations. The GBB-V-20-R fuse is designed to provide protection against overloaded electrical circuits and to prevent catastrophic failure of electrical equipment due to short circuits.

The working principle of a fuse is based on the fact that when current exceeds a predefined limit, the internal resistance of the fuse element increases, resulting in the creation of heat which melts the fuse element, thus breaking the circuit and isolating the faulty part of it. The current-limiting characteristics of the fuse ensure that the current in the circuit does not increase further than the preset limit.

The GBB-V-20-R is a specialty fuse with a time-delay element that allows for the compensation of system start-up current. The fuse is provided with two separate indicator points, one for the detection of transient overloads and one for short circuit current. In the event that the preset values of either indicator are exceeded, the fuse will trip and shut off the power supply, thereby protecting the equipment from further damage.

The GBB-V-20-R fuse also provides effective protection from electrical surges. The fuse is equipped with a varistor element that senses the intensity of transient surges and prevents it from reaching equipment. The fuse is also designed to be resistant to repetitive electrical surges, which helps prevent damage to sensitive equipment.

In addition to protecting circuits against overloads, the GBB-V-20-R fuse is also used to detect the presence of short circuits. If the short circuit current exceeds the preset value, the fuse element will heat up and melt, thus isolating the faulty part of the circuit from the power source. The fuse can also be used to detect earth fault currents.

The GBB-V-20-R fuse is a versatile and reliable device, and is suitable for a wide range of applications, including commercial installations, power plants, and industrial equipment. The fuse has been designed to meet a range of performance criteria, including breaking capacity, fault current limitation, and insulation integrity.

In conclusion, the GBB-V-20-R fuse is an essential electrical protection device, providing overcurrent protection for power systems, short circuit protection, and surge suppression. The fuse is suitable for a wide range of commercial and industrial applications, and is designed to meet stringent performance criteria. The fuse is a reliable and versatile device that can be used in a variety of applications.

The specific data is subject to PDF, and the above content is for reference