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Product picture surge arrester HAW569

HAW569 surge protective device

Surge protective device for installation in the field device for power supply and communication signals optional with SIL and Ex approval

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

Field of application

The HAW569 surge arrester is suitable for protecting the electronics of field devices against damage caused by overvoltage. Surges occurring on signal lines (e.g. 4 to 20 mA), fieldbus communication lines (HART, PA, FF) and power supply lines are safely limited or discharged to earth.
The functionality of the transmitter or the electronics to be protected is unaffected, since no problematic voltage drop occurs due to the impedance-free connection of the protective devices.

Typical applications for the HAW569 are found in process automation in the chemical, pharmaceutical, oil & gas industries as well as in water and wastewater treatment.

Benefits

  • Compact surge arrester for signal, communication and power supply cables - also available for hazardous areas

  • Increased plant availability through reliable protection of measuring instruments – direct mounting in the field transmitter for simple and rapid integration

  • Hazardous area versions (Ex ia/Ex d)

  • For safety-related applications up to SIL 2 (optional)

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