Eaton DSFi

CLASS II: Point of Entry and Secondary Protection
TECHNOLOGY: Series Filter
KA RATING: 40kA I max, L-N, 25kA I max L-E, 25kA I max N-E
OPERATING MODES: Differential & Common Modes
WARRANTY: 5 Year Full Replacement Warranty


Product Features

The Eaton DSFi is designed 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.  The Eaton DSFi is an ideal device for Category B locations.

The Eaton DSFi is a 3-stage protection unit utilizing primary and secondary MOV protection in conjunction with a 2-stage Low-Q LC filter (i.e. 2 inductive coils) using separate differential mode and common mode circuits.  The unit provides filtering of the line harmonics, noise and RF transmitters with a cut-off frequency of <1.5kHz and a minimum attenuation of >55dB to 10MHz.

The Eaton DSFi’s Features Include:

  • Surge suppression & filtering in a single package
  • 2 mode, 5 Element Series Filter
  • 3 mode, 2 Stage Surge Diverter
  • Modular design
  • Enclosed in IP20 painted steel housing
  • Protection Fail Alarm Relay
  • 5 Year Warranty

Typical Application:

  • Secondary power circuits / Sub-boards
  • UPS Systems and Rectifiers
  • Telecommunications Systems and Rectifiers
  • Process and Control Systems and UPSs up to 6kVA
  • Computer Systems and Medical Systems
  • AV circuits for clubs and hotels
  • All sensitive Electronic Equipment

For further or pricing information …. please phone Power On Australia on 1300 66 24 35 – OR – complete the enquiry form on this page.


Eaton DSFi Brochure
Eaton DSFi Connection Diagram
Eaton DSFi Installation manual
Eaton DSFi Technical SPecification

Enquire Now

  • Hidden
  • Hidden
  • This field is for validation purposes and should be left unchanged.