Surge Protective Devices

A complete range of Surge Protective Devices (SPD) for protection against ligthning and overvoltages.

Lightning strikes create surge currents which generate overvoltages in the power distribution and data transmission networks. The OVR surge protective devices divert the surge current harmlessly to the ground and limit overvoltage to values compatible with the equipment connected to the network.

Surge arresters

  • Official name: Surge Protection Device (SPD)
  • IEC 61643-1: International standard for surge protective devices connected to low-voltage power distribution systems
  • Surge arresters Type 1: for buildings protected by lightning rods
  • High capability: 15 kA up to 100 kA in 10/350
  • Low protection level: 1,8 kV (electronic triggering)
  • Very small size compared to performance.
  • Surge arresters Type 2: OVR SPD’S - in the other situations or in coordination with Type 1
  • Pluggable lightning arresters
  • Safety reserve
  • Optical monitoring bloc
  • Modular range
  • Surge arresters Type 3 - to protect equipment against small over voltages or in coordination with Type 2
    Lightning arrester
    • Effects of voltage surges on equipment
    • Destruction of equipment
    • Premature aging
    • Incorrect operation

    Documentation and downloads

    • Please select category
    Brochure
    Lightning and overvoltage protection for Photovoltaic systemsEnglish
    		5.15 MB
    Lightning and overvoltage protection for Wind turbinesEnglish
    		3.59 MB
    Lightning arresters, Type 1 TVSSEnglish
    		0.22 MB
    Lightning protection for Telecommunication stationsEnglish
    		0.51 MB
    Overvoltage protection - OVR rangeEnglish
    		1.74 MB
    Overvoltage protection - OVR rangeEnglish
    		1.16 MB
    Surge Protection - OVR System proM compact RangeEnglish
    		1.95 MB
    Transient Voltage Surge Suppressors, Type OVREnglish
    		1.17 MB
    Catalogue
    Overvoltage protection - OVR rangeEnglish
    		2.82 MB
    Overvoltage protection - OVR rangeEnglish
    		0.71 MB
    TVSS Surge Suppressors, OVR RangeEnglish
    		1.09 MB
    Leaflet
    Neue Fachausdrücke - Einführung englischer FachausdrückeEnglish
    German
    		0.17 MB
    Software
    Flash_ABBEnglish
    		0.40 MB
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