A gas arrester is disclosed. In an embodiment a gas arrester for a data line system includes a discharge electrode, a plurality of individual electrodes configured to connect data lines and a common gas discharge region formed between the individual electrodes and the discharge electrode, wherein the gas arrester is configured to reduce voltage differences between lines or line pairs of the data line system with more than 2 lines.

A gas arrester is disclosed. In an embodiment a gas arrester for a data line system includes a discharge electrode, a plurality of individual electrodes configured to connect data lines and a common gas discharge region formed between the individual electrodes and the discharge electrode, wherein the gas arrester is configured to reduce voltage differences between lines or line pairs of the data line system with more than 2 lines.

A spark gap circuit includes a circuit board. The spark gap circuit also includes an input configured to connect to the circuit board and to receive signals. The spark gap circuit also includes a spark gap configured to connect to the circuit board and the input. The spark gap circuit also includes an output configured to connect to the spark gap. The spark gap is configured to cause a return loss between the input and the output to be within a first predetermined range. The spark gap is configured to cause a parasitic capacitance between the input and the output to be within a second predetermined range.

A spark gap circuit includes a circuit board. The spark gap circuit also includes an input configured to connect to the circuit board and to receive signals. The spark gap circuit also includes a spark gap configured to connect to the circuit board and the input. The spark gap circuit also includes an output configured to connect to the spark gap. The spark gap is configured to cause a return loss between the input and the output to be within a first predetermined range. The spark gap is configured to cause a parasitic capacitance between the input and the output to be within a second predetermined range.

Provided in the present utility model is a flameproof surge protector, including: a surge protector main body, a flameproof enclosure, a flameproof stopper plug, and a flameproof cable gland. One end of the flameproof enclosure is connected to the flameproof stopper plug, and the other end thereof is connected to the flameproof cable gland. The surge protector main body has an elongated shape and is disposed inside the flameproof enclosure, and a cable is drawn out of the surge protector main body by means of the flameproof cable gland. The flameproof surge protector provided by the present utility model has a simple structure and small size, can be used easily and installed inside an explosion-proof lamp, further protects a circuit inside the lamp, prevents the circuit from being damaged by surges, and is safe and reliable.

Provided in the present utility model is a flameproof surge protector, including: a surge protector main body, a flameproof enclosure, a flameproof stopper plug, and a flameproof cable gland. One end of the flameproof enclosure is connected to the flameproof stopper plug, and the other end thereof is connected to the flameproof cable gland. The surge protector main body has an elongated shape and is disposed inside the flameproof enclosure, and a cable is drawn out of the surge protector main body by means of the flameproof cable gland. The flameproof surge protector provided by the present utility model has a simple structure and small size, can be used easily and installed inside an explosion-proof lamp, further protects a circuit inside the lamp, prevents the circuit from being damaged by surges, and is safe and reliable.

A gas discharge tube includes a housing defining a chamber, first and second terminal electrodes mounted on the housing, a plurality of inner electrodes located in the chamber, and a gas contained in the chamber. The inner electrodes are serially disposed in the chamber in spaced apart relation to define a series of spark gaps from the first terminal electrode to the second terminal electrode. The chamber is hermetically sealed.

A gas discharge tube includes a housing defining a chamber, first and second terminal electrodes mounted on the housing, a plurality of inner electrodes located in the chamber, and a gas contained in the chamber. The inner electrodes are serially disposed in the chamber in spaced apart relation to define a series of spark gaps from the first terminal electrode to the second terminal electrode. The chamber is hermetically sealed.

A dielectric barrier for use with a lightning arrestor connector comprises a plurality of physically connected cells defining a hollow, tubular side wall, with each cell including a frame formed from dielectric material and an aperture that creates a void within the frame. The dielectric barrier is configured to be positioned between an inner conductor and an outer conductor and provides a low resistance path from one conductor to the other conductor when the voltage between the two conductors exceeds a threshold value.

A dielectric barrier for use with a lightning arrestor connector comprises a plurality of physically connected cells defining a hollow, tubular side wall, with each cell including a frame formed from dielectric material and an aperture that creates a void within the frame. The dielectric barrier is configured to be positioned between an inner conductor and an outer conductor and provides a low resistance path from one conductor to the other conductor when the voltage between the two conductors exceeds a threshold value.