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    Surge Protection Devices

    Surge protection devices help to protect devices and equipment against changes in the electrical current running through the system. Current spikes or transients can cause significant damage to equipment and is also a safety hazard. You can learn more in our complete guide to industrial surge protection.

    What are surge protection devices used for?

    Surge protection devices involve the use of surge suppressors or protectors and surge arresters.

    Suppressors protect equipment from voltage spikes. They block or short to ground the current in, for instance, power distribution panels, process control systems and heavy industrial systems.

    Arresters protect machinery from external occurrences that cause over-voltage transients like lightning strikes or switching events. These are installed in power transmission and distribution systems.

    Types of surge protection devices

    Four primary types of industrial surge protection exist:

    • Secondary surge arresters fixed to the line side of the service panel to protect against current surges from lightning or switching events.
    • Branch surge panels are fixed to the load side of the main service entrance and offer protection against motor driven and internally generated surges.
    • Power strips protect sensitive electronics with lower voltage and ampere capabilities by blocking current spikes.
    • Surge protection modules provide point-of-use protection by protecting against overvoltage and current spikes.

    774 產品顯示為 Surge Protection Devices

    Bourns
    Surge Protector
    40kA
    2.5kV
    -
    1250A
    Single, Three
    DIN Rail
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Bourns
    Surge Protector
    50kA
    1kV
    -
    1250A
    Single, Three
    DIN Rail
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Phoenix Contact
    Surge Arrestor
    50kA
    250V ac
    -
    VAL-MS-T1/T2 335/12.5/3+1-FM
    3
    DIN Rail
    12.5kA
    99mm
    71.2mm
    77.5mm
    99 x 71.2 x 77.5mm
    -40°C
    +80°C
    -
    -
    -
    -40 → +80 °C
    Bourns
    Surge Protector
    50kA
    0.7kV
    -
    1250A
    Single, Three
    DIN Rail
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Bourns
    Surge Protector
    50kA
    1.8kV
    -
    1250A
    Single, Three
    DIN Rail
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Schneider Electric
    Surge Arrestor
    5kA
    460V ac
    Acti9
    A9L
    -
    Clip-On
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Siemens
    Surge Arrestor
    50kA
    -
    -
    5SD
    3
    DIN Rail
    50kA
    89.9mm
    71.2mm
    77.5mm
    89.9 x 71.2 x 77.5mm
    -40°C
    +80°C
    -
    -
    -
    -40 → +80 °C
    Endress+Hauser
    Surge Arrestor
    2kA
    -
    -
    HAW562
    -
    DIN Rail Mount, Panel Mount
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Socomec
    Surge Arrestor
    160kA
    1.8kV
    D40
    SURGYS
    1, 3
    DIN Rail
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Siemens
    Surge Protector
    16A
    230V (Volts)
    5SY17
    5SY
    Single
    DIN Rail
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Siemens
    Surge Protector
    2A
    230V (Volts)
    5SY17
    5SY
    Single
    DIN Rail
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Siemens
    Surge Protector
    2A
    230V (Volts)
    5SY17
    5SY
    Single
    DIN Rail
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Phoenix Contact
    Surge Arrestor
    50kA
    -
    Combination Type
    -
    3
    DIN Rail
    50kA
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Siemens
    Surge Protector
    -
    400 → 600V ac
    SIRIUS
    3RT2926
    -
    Clip-On
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Weidmüller
    Surge Protector
    6A
    250V ac
    -
    WAVEFILTER
    1
    Surface Mount
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Eaton
    Surge Protector
    40kA
    1.4kV
    -
    xPole - SPCT2
    Single
    DIN Rail
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Socomec
    Surge Arrestor
    20kA
    30V (Volts)
    RS-3
    SURGYS
    1, 3
    DIN Rail
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Eaton
    Surge Protector
    40kA
    1.8kV
    -
    xPole - SPCT2
    Single
    DIN Rail
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Okaya Electric Industries
    Surge Protector
    5kA
    -
    -
    LV
    3
    Surface Mount
    500A
    43mm
    36.5mm
    24.5mm
    43 x 36.5 x 24.5mm
    -
    -
    -
    -
    -
    -
    Socomec
    -
    -
    -
    SURGYS
    4982
    3
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
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