CG31.0LTR Circuit Protection

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Gas discharge tube arresters (GDT) have become increasingly important components for power systems as they offer protection against high-voltage equipment failure. The CG31.0LTR arrster is a GDT used to protect medium voltage applications, such as transformers, cables, surge arrestors and capacitors. It is designed to protect against lightning and other transient events.

It works by diverting and grounding over-voltage incidents, providing a shield between the power system and the transient. The GDT consists of a sealed glass tube with an axial hole in its center. It also contains a pair of electrodes, which are insulated by either a dielectric oil or gas. The electrodes are positioned at the center of the tube forming a capacitor. When a transient occurs, the voltage across the GDT increases, allowing the gas to ionize and become conductive. Thus providing a low resistance path for the transient\'s energy to drain away.

The CG31.0LTR is an advanced arrster with an intrinsic sparkover capability of up to 42kV and a peak current rating of 43kA for a 150A range. It has a patented design which increases its energy handling capability. It also has a self-cleaning metal oxide varistor (MOV) technology which help to provide higher protection levels in extreme environmental conditions. The MOV provides for a highly reliable protection against transient events due to its non-linear behaviour.

The CG31.0LTR arrster is designed to be used in a variety of medium voltage applications. It has a high surge capability and can be used to safely discharge lightning and other transient events. It also has the capability for harmonic distortion control, providing protection against harmonics and power transient disturbances. The use of a MOV also allows for improved protection against power system switching over-voltages.

The CG31.0LTR arrster provides an effective protection against lightning over-voltages, harmonics and other transient events. Its patented design increases energy handling capabilities and MOV technology provides reliable protection in extreme environmental conditions. The arrster is suitable for various medium voltage applications such as transformers, cables, surge arrestors and capacitors, and provides an effective protection against power system over-voltages.

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