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Surge Protection Devices

Surge protection devices for protecting electrical installations and sensitive equipment against transient overvoltages.

Surge Protection Devices

Technical description

Surge protection devices limit transient overvoltages caused by lightning effects, switching events or network disturbances.

They are selected according to SPD type, network system, discharge capacity, protection level and installation location.

Typical use cases

  • Residential electrical board surge protection
  • Commercial installation protection
  • Sensitive electronic equipment protection
  • PV or EV-related protection schemes
  • Technical infrastructure boards

Specifications

Product familySurge protection devices
FunctionTransient overvoltage protection
TypeType 1, Type 2 or Type 3 depending on installation design
NetworkSelected according to TT, TN or other system requirements
MountingDIN rail mounting
AccessoriesBackup protection, remote signaling contacts and replacement cartridges
SelectionMust match installation risk and protection scheme

Supplier options

Possible supplier-equivalent ranges can include Hager, Schneider Electric, Legrand, ABB, Siemens, Eaton or similar professional electrical protection suppliers depending on availability and project requirements.

Quote information needed

  • Device type and required quantity
  • Number of poles
  • Current rating in amperes
  • Curve, RCD type or residual-current sensitivity where applicable
  • Breaking capacity or installation requirement if known
  • Preferred brand or equivalent accepted
  • Delivery location and required deadline

Delivery note

Transport is not automatically included in the displayed product information. Delivery cost, supplier stock, lead time and final price are confirmed after quotation.

Protection devices must be selected according to the electrical design, installation standard and circuit requirements.