B88069X9420B502

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Gas Discharge Tube Arresters (GDT) are an essential component of power systems. It is a protection device that limits the overvoltage by providing a low-impedance path for transient current to be dissipated.

B88069X9420B502 is a type of GDT designed for use with induction motors. It combines a low-inductance design with an integrated spark gap for improved protection. The spark gap limits the amount of energy that is able to flow through the GDT during peak surge characteristics, effectively preventing overvoltage. In addition, it has an internal temperature sensor that closes the spark gap at high temperatures to protect the entering cable.

The primary application of the B88069X9420B502 is as a line-side arrester for induction motor protection. This type of GDT can be used in either an on-load tap changer or off-load tap changer applications. In both cases, it provides a high level of protection against lower-frequency surges that can cause harmonic and voltage distortion.

In terms of working principle, when a surge enters the GDT, current is immediately diverted away and into the spark gap. The spark gap then breaks down the surge to a safe level and it is internally dissipated. The device is able to withstand surges up to 80kA and can be used in a variety of motor protection applications.

GDTs like the B88069X9420B502 are important for protecting motors from voltage transients and surges. They provide an additional layer of protection to ensure that the safety of operators and equipment is maintained. The B88069X9420B502 is designed for use with induction motors, offering a high level of surge protection with a low-inductance design.

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