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    Surge Protection Components

    It is important to protect any electrical equipment or circuitry you have from the harmful effects of power surges, so choose from our range of protective devices and components today. We’re able to offer you a wide variety of quality products from leading manufacturers including Bourns, Huber & Suhner, ON Semiconductor and Siemens.

    How does surge protection work?

    Power surges are a sudden increase in the electrical current being routed into power outlets. If a power surge happens, irreparable damage to equipment can be caused.

    Surge protection is an essential and effective way of preventing this damage from occurring and can take many forms, from specialist plug sockets that absorb the additional voltage to components that can be used in the equipment itself.

    What causes a power surge?

    Power surges happen when the flow of electricity is briefly interrupted and started again. They can occur when equipment starts up or shut off. Classic examples of this would be air conditioning units, refrigeration equipment or motor-driven devices.

    Power surges can also happen naturally, like a lightning strike or power lines coming down in a storm. They can also happen after mains power cuts when the power returns.

    What is the difference between a surge and a spike?

    • If overvoltage increases for three nanoseconds or more this is called a surge.
    • If overvoltage increases for one or two nanoseconds this is called a spike.

    What types of surge protection components are there?

    Gas discharge tubes- a glass tube which is sealed at both ends, contains two electrodes and is filled with a gas that conducts electricity when a high voltage is applied. This type of component can be used to protect sensitive circuits.

    Surge suppressor units - a common type of component, a surge suppressor unit can be built into a device, such as a power strip, or used as a standalone component.

    Switching spark gap - these are used to switch between circuits quickly and are often used in the building and automotive industries.

    Gas Discharge Tubes
    Gas Discharge Tubes
    Surge Suppressor Units
    Surge Suppressor Units
    Switching Spark Gaps
    Switching Spark Gaps
    Thermistor ICs
    Thermistor ICs
    Varistors
    Varistors

    4547 Producten voor Surge Protection Components

    1 van 228
    EPCOS Thermistor, 5Ω Resistance, NTC Type, 21 x 7mm
    • RS-stocknr. 211-8030
    • Fabrikantnummer B57364S0509M000
    Per stuk
    € 1,80
    RS PRO Metal Oxide Varistor
    • RS-stocknr. 240-236
    Per stuk
    € 66,01
    Phoenix Contact, VAL-MS 230 Surge Arrester 230 V ac Maximum Voltage Rating Surge Arrester
    • RS-stocknr. 241-6066
    • Fabrikantnummer 2839127
    Per stuk
    € 63,29
    EPCOS Thermistor, 100Ω Resistance, PTC Type, 3 x 10mm
    • RS-stocknr. 706-2796
    • Fabrikantnummer B59100M1100A070
    Per stuk
    € 3,11
    Phoenix Contact, PT-BE/FM Surge Suppressor Unit 240 V Maximum Voltage Rating Base Element
    • RS-stocknr. 445-5274
    • Fabrikantnummer 2839282
    Per stuk
    € 41,63
    EPCOS Thermistor, 5Ω Resistance, NTC Type, 31 x 7mm
    • RS-stocknr. 121-8217
    • Fabrikantnummer B57127P0509M301
    Elk (in een tas van 5)
    € 1,336
    EPCOS Thermistor, 5Ω Resistance, NTC Type, 21 x 7mm
    • RS-stocknr. 211-8030P
    • Fabrikantnummer B57364S0509M000
    Per stuk (geleverd in een doos)
    € 1,80
    EPCOS Thermistor, 7Ω Resistance, NTC Type, 31 x 7mm
    • RS-stocknr. 121-8218
    • Fabrikantnummer B57127P0709M301
    Elk (in een tas van 5)
    € 2,616
    Murrelektronik Limited Surge Suppressor Unit 30 V Maximum Voltage Rating Plug
    • RS-stocknr. 270-9492
    • Fabrikantnummer 3124033
    Per stuk
    € 13,41
    EPCOS Thermistor, 10Ω Resistance, NTC Type, 15 x 7mm
    • RS-stocknr. 216-1371
    • Fabrikantnummer B57237S0100M000
    Per stuk
    € 0,90
    EPCOS Thermistor, 10Ω Resistance, NTC Type, 21 x 7mm
    • RS-stocknr. 211-8002
    • Fabrikantnummer B57364S0100M000
    Per stuk
    € 1,80
    EPCOS Thermistor, 33Ω Resistance, NTC Type, 8.5 x 6 x 13mm
    • RS-stocknr. 185-7856
    • Fabrikantnummer B57153S0330M000
    Elk (in een pakket van 5)
    € 0,566
    RS PRO Metal Oxide Varistor 2.57nF, Clamping 395V, Varistor 240V
    • RS-stocknr. 901-2718
    Per stuk
    € 4,76
    EPCOS Thermistor, 1Ω Resistance, NTC Type, 31 x 7mm
    • RS-stocknr. 121-8215
    • Fabrikantnummer B57127P0109M301
    Elk (in een tas van 5)
    € 1,332
    Roxburgh EMC, VSU Surge Suppressor Unit 480 V Maximum Voltage Rating 0.04kA Maximum Surge Current Transient Voltage
    • RS-stocknr. 226-6454
    • Fabrikantnummer VSU3W
    Per stuk
    € 46,11
    EPCOS Thermistor, 4.7kΩ Resistance, NTC Type
    • RS-stocknr. 191-2162
    • Fabrikantnummer B57045K0472K000
    Per stuk
    € 1,50
    EPCOS Thermistor, 3kΩ Resistance, NTC Type, 2.4 x 6.5mm
    • RS-stocknr. 528-8508
    • Fabrikantnummer B57861S0302J040
    Per stuk
    € 1,12
    EPCOS Thermistor, 2Ω Resistance, NTC Type, 26 x 7 x 31mm
    • RS-stocknr. 185-7758
    • Fabrikantnummer B57464S0209M000
    Per stuk
    € 5,45
    Roxburgh EMC, VSU Surge Suppressor Unit 275 V Maximum Voltage Rating 0.04kA Maximum Surge Current Transient Voltage
    • RS-stocknr. 226-6448
    • Fabrikantnummer VSU2W
    Per stuk
    € 18,32
    Huber+Suhner, SSC-N230 Coaxial Surge Protection 170 V dc Maximum Voltage Rating 20kA Maximum Surge Current Coaxial
    • RS-stocknr. 132-8146
    • Fabrikantnummer SSC-N230/01
    Per stuk
    € 72,29
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