Eaton CSFI Surge Filter

Eaton CSFI Surge Filter

The CSFi is designed for mounting in distribution boards to provide secondary protection against power surges caused by external sources such as lightning strikes and substation switching as well as providing a measure of protection from surge events generated on the secondary side of the filter.

Product Snapshot
Input voltage: 200-250VAC 1 Phase
Maximum continuous voltage - MCOV: 300 VAC
Temporary Overvoltage: 320VAC, 15 mins
Current rating - continuous: 3 - 25 A
Recommended max. overcurrent protection: 25 A (C curve MCB 25 A)
Protection modes: Line-Neutral, Line-Earth, Neutral-Earth
Part Number
Height (mm)
Width (mm)
Depth (mm)
Weight (kg)
  • Surge suppression and filtering in a single package
  • 3 mode protection
  • High surge suppression rating
  • Remote alarm contacts standard
  • 3 stage protection
  • 12 month warranty

Please see available files below:

Eaton CSFI Brochure 

Eaton CSFI Manual 


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