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Thermally Protected Surge Protective Device (LSP05/LSP10 Series) | Littelfuse

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Thermally Protected Surge Protective Device (LSP05/LSP10 Series)

Constructed with Littelfuse thermally protected Varistors, the LSP05 and LSP10 Surge Protection Device (SPD) Modules provide robust surge current handling capability. A built-in thermal disconnect function that provides additional protection from catastrophic failures and fire hazards, even under the extreme circumstances of Varistor end of life or sustained overvoltage conditions.

The LSP05 Series is configured with parallel connections. The LSP10 Module is available with either parallel or series connections; the series-connected version of the LSP10 is the world's first indicating surge arrestor capable of handling surges of up to 20,000 amps used for outdoor LED applications. With the parallel-connected versions, an indicator wire can activate an LED to tell maintenance personnel when to replace the SPD in order to ensure the luminaire remains protected. The LSP10 series-connected version cuts luminaire power off to provide a clearly visible indication the SPD should be replaced.

Features & Benefits:

  • Maximum Lightning Surge Current: 10,000A (LSP05) 20,000A (LSP10)
  • Thermally protected varistor technology
  • Series connected option for LSP10 module provides clear indication of SPD replacement by turning off luminaire
  • IP66 water-proof and dust-proof
  • UL1449 Type 4 component assemblies recognition and compliant with IEC 61643-11 Class II and EN61643-11 Type 2
  • Compact form factor (48x48x30mm) with mounting tabs

Applications:

  • Outdoor and commercial LED lighting
  • Roadway lighting
  • Traffic lighting
  • Digital signage
  • Service entrance lighting
  • Parking garage/lot lighting
  • Flood lighting
  • Tunnel lighting
  • Street lighting

Additional Information: