About Gas Discharge Tubes - GDTs / Gas Plasma Arrestors

Obo Bettermann Gas Discharge Tubes - GDTs / Gas Plasma Arrestors

Gas Discharge Tubes (GDTs) or Gas Plasma Arrestors protect circuits from transient voltages caused by lightning, switching, and other sources. They allow the passage of AC currents but act as a short circuit for high-energy transients. Essentially, they provide a conductive path for the discharge of high voltage transients, while preserving the normal DC voltage. GDTs are low-cost and provide a simple and effective solution for protecting sensitive electronic equipment. They are an essential component of any system which is subject to high voltage surges or transients, such as in lightning storms or when high power is switched on or off. GDTs are typically constructed using a glass or ceramic tube, containing two electrodes. The gas inside is usually a mixture of noble gases such as argon, neon, and xenon. When a high voltage transient occurs, the gap between the electrodes breaks down and a low impedance path is formed which allows the transient to be discharged to ground. GDTs provide a range of advantages such as high dielectric strength, low operating voltage, and low leakage current.

Gas Discharge Tubes - GDTs / Gas Plasma Arrestors

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V20-3+NPE-280


Surge arrestor; Type 2; Poles: 3+NPE; 20kA; 280VAC; DIN; -40÷80°C
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

OBO BETTERMANN 21
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USD 111.4386
Multiples of: 1

            
V50-3+NPE-280


Surge arrestor; Type 1+2; Poles: 3+NPE; 30kA; 280VAC; DIN; -40÷80°C
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

OBO BETTERMANN 20
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USD 192.1237
Multiples of: 1

            
V20-1-280


Surge arrestor; Type 2; Poles: 1; 20kA; 280VAC; DIN; -40÷80°C; IP20
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

OBO BETTERMANN 15
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USD 27.7863
Multiples of: 1

            
V50-3-280


Surge arrestor; Type 1+2; Poles: 3; 30kA; 280VAC; DIN; -40÷80°C
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

OBO BETTERMANN 12
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USD 189.9807
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C20-0-255


Discharge gap insert; 40kA; 255VAC; socket; IP20
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

OBO BETTERMANN 11
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between Mon. 13 May to Fri. 17 May Calender.png

USD 56.7567
Multiples of: 1

            
V20-4-280


Surge arrestor; Type 2; Poles: 4; 20kA; 280VAC; DIN; -40÷80°C; IP20
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

OBO BETTERMANN 11
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between Mon. 13 May to Fri. 17 May Calender.png

USD 91.3458
Multiples of: 1

            
V50-1-280


Surge arrestor; Type 1+2; Poles: 1; 30kA; 280VAC; DIN; -40÷80°C
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OBO BETTERMANN 10
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USD 62.7491
Multiples of: 1

            
V20-0-280


Surge arrestor; Type 2; Poles: 1; 20kA; 280VAC; socket; -40÷80°C
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

OBO BETTERMANN 9
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USD 54.1632
Multiples of: 1

            
V50-0-280


Surge arrestor; Type 1+2; Poles: 1; 30kA; 280VAC; socket; -40÷80°C
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

OBO BETTERMANN 8
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USD 105.2005
Multiples of: 1

            
V50-1+NPE-280


Surge arrestor; Type 1+2; Poles: 1+NPE; 30kA; 280VAC; DIN; -40÷80°C
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

OBO BETTERMANN 7
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USD 146.0414
Multiples of: 1

            
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