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.
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(Ex. GST)(▲▼)		Enter Qty Peak Pulse CurrentDC Breakover Voltage (Nominal)Number of ElectrodesSeriesTermination StyleFailsafe Protection Y/NPackagingDiameterDC SparkoverLengthMinimum Operating Temperature Maximum Operating Temperature
  
                
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 6
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AUD 75.3228
Multiples of: 1

            
A9L20501


Surge arrestor; Type 2; Poles: 1+N; DIN; -25÷60°C; IP20; 230VAC
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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.

Schneider 6
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AUD 137.3369
Multiples of: 1

            
B88069X4230C101


Gas Discharge Tubes - GDTs / Gas Plasma Arrestors V12-H30X
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TDK 5
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AUD 48.015
Multiples of: 1

20 kA3 kV3B88069xAxialFailsafe Not ProtectedBulk11.8 mm3 Kv33 mm- 40 C+ 90 C
FRD 24 HF


Surge arrestor; Type 1+2+3; Poles: 2; 19VAC; 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 5
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AUD 129.1871
Multiples of: 1

            
C50-0-255


Discharge gap insert; 255VAC; socket; IP20; 50kA
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OBO BETTERMANN 4
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AUD 106.9376
Multiples of: 1

            
VF24-AC/DC


Surge arrestor; Type 3; Poles: 2; 0.7kA; 34VAC; DIN; -40÷80°C; IP20
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OBO BETTERMANN 4
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AUD 143.5628
Multiples of: 1

            
Hot 2026-25-C3LF


Bourns Gas Discharge Tubes - GDTs Gas Plasma Arrestors 100Vs 250V 3 Pole
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Bourns 4
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AUD 1.6679
Multiples of: 1

40 kA 3 Electrode2026RadialFailsafe Not ProtectedTube7.9 mm250 V - 40 C+ 90 C
52592


Circuit breaker; Poles: 1; for DIN rail mounting; -10÷85°C; IP20
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QOLTEC 4
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AUD 3.221
Multiples of: 1

            
52595


Circuit breaker; Poles: 3; for DIN rail mounting; -10÷85°C; IP20
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QOLTEC 4
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AUD 12.0194
Multiples of: 1

            
1064030000


Gas Discharge Tubes - GDTs / Gas Plasma Arrestors VSSC4 GDT 24VAC/DC 20KA
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Weidmuller 4
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AUD 46.101
Multiples of: 1

            
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