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HAW569
Surge arresters

Surge arrester HAW569 for field mounting ©Endress+Hauser
Surge arrester HAW569 for field mounting ©Endress+Hauser

Surge arresters for field mounting

The HAW569 surge arrester is used to protect electronic components in field devices from being destroyed. It ensures that overvoltage surges which occur in signal cables (e.g. 4 to 20 mA), in communication lines of Field buses (HART, PA, FF) and in power lines are safely passed into the ground. The functionality of the electronic component to be protected is not affected as, using the impedance-free connection of the protection unit, interference voltage drops cannot be introduced.

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  • Benefits

    • Compact device for the protection of signal / communication lines (Ex ia approval as an option) or for the simultaneous protection of signal, communication and supply lines (Ex d approval as an option)

    • Optionally available with SIL2 intrinsically safe...

  • Field of application

    HAW569 units are primarily used in process automation and in measuring and communication technology within the chemicals, pharmaceuticals, water and wastewater sectors as well as in the food industry.

Features and specifications

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Details

  • Measuring principle

    Surge arrester

  • Function

    Surge arrester for field installation

    Easy and space-saving mounting directly at the field transmitter

    Combined protection of sensor cables and supply lines in one device (especially for 4-wire transmitters)

    Flexible integration into the measuring chains of the process industry due to approvals according to ATEX & IEC, SIL2 conformity

    Compatibility with the established fieldbusses (HART, FF, PA)

    Uninterruptible operation of the plant due to an automatic resetting after the discharge process

  • Certification

    ATEX/IEC Ex ia for lead through version
    ATEX/IEC Ex d for screw in version

  • Dimensions (wxhxd)

    HAW569-xA2B: (lead through version)

    Diameter AF/SW27, internal and external thread M20x1.5, length 77 mm (3.03")


    HAW569-CB2C: (screw in version)

    Diameter AF/SW27, external thread M20, length 83 mm (3.27")

  • Operating Voltage

    24V/120V/230V

  • Measuring principle

    Surge arrester

  • Measuring principle

    Surge arrester for field mounting

  • Function

    Surge arresters are applied to protect electronic components of a plant against overvoltage! Due to this, investment intensive measuring instruments are protected and the plant availability is increased.

  • Application

    Surge protection for power supply or signal / communication cables

  • SIL

    2

  • Certificates

    ATEX

    IECEx

    CSA

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