GTCA28-750M-R05

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Gas Discharge Tube Arresters (GDT) provide effective protection to electrical infrastructure systems from lightning and electrical power surges. The GTCA28-750M-R05 is a specific type of GDT arrester with a current rating of up to 750 mA and a maximum operating voltage of 28V. It is designed for applications where only minimal spacing is available between stages of protection due to its small size. This article will provide details on the application fields and working principle of the GTCA28-750M-R05 GDT arrester.

What is GTCA28-750M-R05 GDT arrester?

The GTCA28-750M-R05 is a miniature, low-profile GDT arrester designed for a maximum operating voltage of 28V and a current rating of up to 750 mA. It is typically used in applications where minimal spacing is available between stages of protection – such as within cable runs, junction boxes, and small cabinet enclosures.

The GTCA28-750M-R05 is a compact GDT arrester with a cylindrical, light-weighted aluminum body, which is highly suitable for situations where space constraints are a factor. Its large diameter ensures optimal heat dissipation, making it reliable in even the highest surge energy applications. The GTCA28-750M-R05 also features a unique metal-oxide surge protection technology, which is engineered to provide exceptional low-let-through performance with peak pulse currents up to 10000A.

Application field of GTCA28-750M-R05

The GTCA28-750M-R05 GDT arrester is designed to protect electrical and communication equipment from switching, power surges, and lightning strikes. It can be used in a variety of applications, including:

• Connecting consumer-level electronic devices and systems
• Distribution and Telecom power systems
• Indoor, Outdoor, and Multi-phase electrical systems
• Computer systems and networks

The GTCA28-750M-R05 GDT arrester can be used in both residential and industrial settings, depending on the needs of the application. Its high surge current handling capacity makes it an ideal choice for highly sensitive equipment or circuits.

Working principle of GTCA28-750M-R05

GDT technology works by protecting equipment from the effects of electrical and magnetic surges, such as voltage and current spikes. A single GDT arrester can protect an entire system. The main components of a GDT arrester are the GDT medium, spark gaps, and an insulation medium. Each part is designed to work together to absorb and dissipate the surge energy.

The GDT medium is the most important component of the GDT arrester and consists of two electrodes, a positively charged plate and a negatively charged tube. The spark gap is a narrow air gap between the two electrodes that acts as a barrier. When a surge passes through the GDT, the spark gap breaks down and the current is conducted from the negatively charged electrode to the positively charged electrode, thus dissipating the surge energy.

The insulation medium is sandwiched between the positively and negatively charged electrodes and is designed to provide insulation from external sources. It is also used to ensure that the GDT arrester will not conduct any current unless an electrical surge occurs. The insulation medium also prevents any current from the GDT arrester from passing onto equipment or circuits.

Conclusion

The GTCA28-750M-R05 GDT arrester is an ideal choice for protection in applications where minimal spacing is available between stages of protection. Its high surge current handling capacity and metal-oxide surge protection technology make it a reliable and effective choice for a variety of electrical and communication systems. With its small size, lightweight aluminum body, and high-quality insulation medium, the GTCA28-750M-R05 is the perfect choice for any application that requires reliable protection.

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