2015-35-SMH-RPLF Circuit Protection

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Gas Discharge Tube Arresters (GDT) are used in a vast number of applications requiring reliable protection of equipment against transient overvoltages, and 2015-35-SMH-RPLF application field is no exception. GDTs, as the name implies, use gas-filled tubes to provide current limiting and voltage regulation functions in the system. The device can be used in both AC and DC circuits, with voltage ranges reaching nearly 90V DC and 1500 V AC.

The operation of GDTs is relatively simple, and yet effective. A gas-filled tube with two electrodes is used to create a conductive channel between them. When a transient over-voltage is present, the free electrons and positive ions present in the tube create a current bridge, allowing the flow of charge and resulting in a voltage drop across the tube.

This discharge process allows the GDT to clamp the over-voltage and provide protection to the system. Typically, the gap between the two electrodes can be adjusted according to the expected voltage level, allowing for a wide range of voltage and current ratings. Additionally, GDTs can be designed to trip at different flow rates, providing optimal protection for the equipment.

The 2015-35-SMH-RPLF application has particular needs that must be addressed in order for the GDTs to perform properly. The voltage ratings of the GDTs must match the transient voltage level that the equipment is expected to experience, and the current ratings must be at least equal to the peak current flowing through the circuit. Additionally, the GDTs must be designed to trip and reset quickly to minimize over-voltage damage.

The number of GDTs needed for a particular application is determined by a number of factors, including the expected surge voltage and current, and the amount of protection required. Typically, two GDTs are connected in series, with one acting as the main surge voltage regulator and the other providing backup protection. When selecting a GDT for a particular application, it is important to consider the characteristics of the device, such as the gap between the electrodes, the dielectric strength, and the material used.

In summary, Gas Discharge Tube Arresters (GDTs) are essential components for many applications requiring reliable protection against transient over-voltages. When selecting GDTs for a particular application, it is important to consider the voltage and current ratings as well as the characteristics of the device. For the 2015-35-SMH-RPLF application, GDTs must be selected with the appropriate voltage and current ratings to provide effective protection and to minimize the risk of over-voltage damage.

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