2037-42-BLF

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Gas Discharge Tube Arresters (GDT) are an essential part of the electrical protection system. They serve as surge protectors that protect against lightning and other electrical surges and transient overvoltages. The 2037-42-BLF application field and working principle are part of a series of GDTs used by many industrial, residential and commercial electrical systems.

The 2037-42-BLF GDT is characterized by its ease of use, its wide range of current ratings, voltage control capabilities, quick reaction times, and long service life. It is a device typically used in the primary protection of low voltage systems from lightning-induced surge voltages and overvoltages, and various other circuit disturbances. The application field includes power supply systems, telephony systems, process control systems, and other systems prone to overvoltages. This product is UL recognized and provides protection up to 42 kV.

The working principle of the 2037-42-BLF GDT involves a gas discharge tube (GDT) filled with a noble gas and other components. The unique attributes of noble gases allow for optimal conduction of electrical current through the tube. When struck by a surge or overvoltage, the electrical resistance within the GDT is reduced, causing the current to be redirected and grounded. This creates an effective short-circuit to dissipate the overvoltages.

This GDT is designed to quickly respond to transient overvoltages and can enerate as much as 20 kV minus ground potential in milliseconds. The 2037-42-BLF features several control mechanisms to ensure optimized protection performance. Local voltage control devices can be used for the GDT’s voltage control, while external control devices can be used to select and monitor discharge operations. Also, up to three independent overvoltage controls can be used to detect an overvoltage and trigger the discharge process.

The 2037-42-BLF GDT also contains an insulation system that provides protection in climates and humid conditions. Its nonmetallic low-ohm characteristics make it especially suitable for use in applications that require spark gap discharge. This low-ohm characteristic is also beneficial for reducing back-strike voltage, which increases safety concerns.

In order to protect systems from continuous overvoltage and surge conditions, the 2037-42-BLF GDT utilizes a monitor system consisting of gap monitor and voltage monitor. This system ensures that the GDT can continue to energize the load even when the surge has ebbed and provide current to the load. The monitor system also serves to notify if the GDT has been prematurely discharged and needs to be serviced.

In summary, the 2037-42-BLF Gas Discharge Tube Arresters (GDT) is an effective device that provides protection against lightning and other electrical surges and transient overvoltages. It is an ideal solution for applications in a wide range of electrical systems, including power supply systems, telephony systems, and process control systems. This product is UL recognized and contains various control mechanisms to ensure optimal protection performance, including local voltage control devices, external control devices, and multiple overvoltage control devices. In addition to protection against lightning and other surge voltages, the 2037-42-BLF is equipped with a monitor system which monitors the device’s operating status and ensure continued operation of the load.

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