ABB RC-EH300/415 Surge Suppressor

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• 1. Product Overview

  The ABB RC-EH300/415 is a surge suppressor / surge protective device designed for low-voltage distribution systems to protect against lightning strikes and switching overvoltages. It rapidly absorbs energy during overvoltage events, safeguarding distribution equipment, transformers, motors, and sensitive electronics. The device uses Metal Oxide Varistor (MOV) technology, providing fast response, high protection efficiency, and long service life.

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  2. Technical Specifications

  Parameter	Description
  Model	RC-EH300/415
  Type	Surge Suppressor / Surge Protective Device
  Rated Voltage	415 V AC (three-phase system)
  Maximum Continuous Operating Voltage	300 V AC
  Protection Mode	L-N / L-L / L-PE / N-PE (multi-mode protection)
  Maximum Discharge Current	20 kA (8/20 μs waveform)
  Peak Discharge Current	40 kA
  Response Time	< 25 ns (fast surge absorption)
  Mounting	DIN rail
  Protection	IP20
  Operating Temperature	-25℃ to +70℃
  Housing Material	Flame-retardant plastic
  Standard	IEC 61643-11 / GB 18802.11

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  3. Key Advantages & Features

  1. Efficient Surge Absorption

     • Rapidly responds to lightning and switching overvoltages, protecting connected equipment.

  2. Multi-Mode Protection

     • Supports L-N, L-L, L-PE, N-PE overvoltage paths.

  3. High Surge Endurance

     • Withstands continuous surge currents up to 20 kA and peak currents up to 40 kA.

  4. Easy Installation & Maintenance

     • DIN rail mounting allows quick field installation and replacement.

  5. High Reliability

     • Stable MOV material ensures long-term reliable operation in industrial and commercial power systems.

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  4. Typical Applications

  • Surge and lightning protection in low-voltage distribution systems

  • Industrial plants, office buildings, and commercial electrical protection

  • Transformers, motors, and power equipment protection

  • Data centers and communication equipment power protection

  • Wind, solar, and renewable energy grid protection

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  5. Usage Precautions

   

  • Installation: Must be installed by qualified electricians; ensure correct wiring.

  • Environmental Conditions: Avoid moisture, dust, and corrosive environments; ensure good ventilation.

  • Regular Inspection: Periodically check indicator or status display to ensure normal operation.

  • Voltage Matching: Ensure system voltage matches the rated voltage of the surge suppressor.

  • Maintenance & Replacement: Replace the module if the indicator shows failure after multiple surges or lightning events.

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The structure and details of the product：

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