B88069X3831B502

Series:	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Moisture Sensitivity Level (MSL):	--

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Gas Discharge Tube Arresters (GDT)

Gas Discharge Tube Arresters (GDT) are devices used to protect electrical circuits from damage caused by surges in power or voltage in power systems. GDTs, also known as Surge arresters, are used to protect electrical equipment from damage due to transient over-voltages, often induced by lightning or other external sources.A Gas Discharge Tube Arrester is a two-stage protective device which consists of a spark gap and a gas-filled tube. The spark gap typically consists of a pair of electrodes separated by an insulated gap, and is designed to fire when a surge voltage greater than its break-down voltage is applied across it. When the gap fires, this causes a rapid ionization of the gas within the gas-filled tube, which acts as an arc chamber. This protects the circuit from further surges by dissipating their energy in a controlled manner.The B88069X3831B502 arrester is a 3-phase, 12.5kV GDT with a 2.5kV nominal spark gap voltage. It is designed for use on high-voltage electrical systems, and is capable of providing up to 5kA asymmetrical current protection. The arrester is housed in a PVC-coated aluminum enclosure and uses a hermetically sealed gas-filled tube, which is filled with nitrogen and low-pressure SF6.The B88069X3831B502 arrester has an adjustable threshold voltage, which means that it can be adjusted to meet the specific protection requirements of the system it is installed on. This is done by connecting the device to a voltage detector and adjusting the threshold voltage to suit the characteristic of the system. For example, in a remote or offshore environment, the threshold voltage of the arrester can be set lower than the surge voltage of the system. This will protect the system from surges of higher voltage than anticipated, while still providing adequate protection against normal over-voltages.A major benefit of using this type of arrester is its hot-swappable functionality, which allows for changes to be made without turning off the power. This ensures that the system remains protected even during maintenance operations. Additionally, the arrester also contains an LED indicator, which can be used to monitor the status of the arrester and indicate whether it is operating correctly.In summary, the B88069X3831B502 arrester is a convenient and reliable surge protection device for high-voltage electrical systems. It offers adjustable threshold voltage, hot-swappable functionality and an LED indicator for monitoring the status and operation of the arrester. This makes it an ideal choice for protecting any system that may be susceptible to transient over-voltages.

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