SL1024B400RF

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Gas Discharge Tube Arresters (GDT) are electrical protection devices used to protect circuit components from lightning surges and other transient voltage events. They are often used in telecommunications networks, power systems, and other power-sensitive applications. GDTs are designed to limit the current through the device by providing a high impedance path for the transient surge, thereby preventing further damage to the system or network from excessive surge currents. SL1024B400RF is one of the GDT devices, it is designed to provide protection from over voltage on single-phase AC power systems.

SL1024B400RF is a shunt connection GDT device with active multipoint ground lead connection technology. It is designed to provide both lightning-induced and lightning-induced over-voltage protection to AC power systems. It is made of zinc oxide material and is composed of four separate electrodes. The device features a lower peak single surge current rating of 160kA, and a 10kA capability for AC power systems of up two thousand amperes. It also includes a thermal fuse that can quickly protect the device in cases of an excessive fault current.

The working principle of SL1024B400RF is based on the way it reacts to over-voltage (OV) surges. When the normal AC voltage exceeding the defined OV setpoint, the SL1024B400RF will start to conduct. As the voltage continues to climb, the SL1024B400RF will turn on more quickly and begin to conduct more current, providing a highly conductive path for the surge current. This path limits the voltage across the load, thus preventing any damage to the load. When the surge subsides, the current flowing through the device will be low enough for it to revert to its normal, non-conductive state.

SL1024B400RF is composed of four electrodes. The first two electrodes, usually referred to as the top and bottom electrodes, provide the maximum clamping voltage that the SL1024B400RF can support, which is typically 400V for a 400V unit. The third and fourth electrodes, referred to as the outside and inside electrodes, provide the device’s current-carrying capacity. The device includes a thermal fuse that will trip when the current flowing through the device exceeds the unit’s current-carrying capacity.

SL1024B400RF is widely used in the field of industrial applications. It is often used in AC power systems, such as in motor control panels, elevator systems, and industrial equipment. It is also used in telecom networks where it provides reliable protection from lightning surges, spikes, or switchgear transients.

SL1024B400RF is an ideal device for providing over-voltage protection for single-phase AC power systems. It is cost-effective, reliable, and has a long service life. Its thermal fuse feature provides additional protection in cases of excessive fault current, thereby ensuring the safety and reliability of the system.

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