Switching Spark Gaps

Switching spark gaps are a voltage-controlled piece of equipment used in the surge protection of electrical devices. They are used to switch circuits where you need the switch to happen fast and at a high energy, but without losing too much of that energy. They break down in the event of a voltage spike, shunting the excess voltage safely to the ground. They can operate at a wide range of temperatures.

What are switching spark gaps used for?

Switching spark gaps are often used in heating and gas appliances, both in buildings and in automotive vehicles. They can also be found in high voltage switches, in power plants and electrical substations, and large power transformers.

Types of switching spark gaps

Switching spark gaps have differing capacities for operation. This means that their voltage tolerance, peak current, maximum switching frequency and breakdown voltage can all vary, sometimes significantly. They can also differ by size, in the length and diameter of their tube.


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Omschrijving Prijs Breakdown Voltage Voltage Tolerance Peak Current Maximum Switching Frequency Minimum Switching Operations Overall Length Lead Length Tube Length Tube Diameter Minimum Operating Temperature Maximum Operating Temperature
RS-stocknr. 167-0454
FabrikantnummerB88069X0270S102
FabrikantEPCOS
€ 3,514
Each (In a Bag of 100)
Aantal stuks
5000V - 30A 100Hz - 60mm 60mm - 0.8mm 0°C +100°C
RS-stocknr. 771-0022
FabrikantnummerB88069X0270S102
FabrikantEPCOS
€ 4,294
Each (In a Pack of 5)
Aantal stuks
5000V - 30A 100Hz - 60mm 60mm - 0.8mm 0°C +100°C
RS-stocknr. 167-0455
FabrikantnummerB88069X0260S102
FabrikantEPCOS
€ 2,689
Each (In a Bag of 100)
Aantal stuks
3000V - 50A 400Hz - 60mm 60mm - 0.8mm 0°C +100°C
RS-stocknr. 780-4880
FabrikantnummerST-0840-BLT-STD
FabrikantBourns
€ 2,384
Each (In a Pack of 5)
Aantal stuks
840V 12% 450A 500Hz 200000 Cycles 85mm 85mm 90mm 356mm -40°C +170°C
RS-stocknr. 771-0029
FabrikantnummerB88069X0260S102
FabrikantEPCOS
€ 4,294
Each (In a Pack of 5)
Aantal stuks
3000V - 50A 400Hz - 60mm 60mm - 0.8mm 0°C +100°C
RS-stocknr. 172-7269
FabrikantnummerST-0840-BLT-STD
FabrikantBourns
€ 1,026
Each (On a Reel of 1000)
Aantal stuks
840V 12% 450A 500Hz 200000 Cycles 85mm 85mm 90mm 356mm -40°C +170°C
RS-stocknr. 771-0026
FabrikantnummerB88069X0680T502
FabrikantEPCOS
€ 2,556
Each (In a Pack of 5)
Aantal stuks
230V - 300A 25Hz - 60mm 60mm - 0.8mm -20°C +125°C
RS-stocknr. 162-0261
FabrikantnummerB88069X0680T502
FabrikantEPCOS
€ 1,245
Each (On a Reel of 500)
Aantal stuks
230V - 300A 25Hz - 60mm 60mm - 0.8mm -20°C +125°C