Three Phase Surge Filters for LPZ1/2/3

Power | Control Cabinets & Final Sub Boards
Product Line : SFD3

Three Phase Surge Filters for LPZ1/2/3

For critical installations, sensitive electronics and computer equipment with three phase loads up to 32A

Novaris SFD3 3-phase Surge Filters provide the highest level of protection for critical and essential equipment used in star connected 4-wire power systems. The internal configuration has three stages of protection to ensure the lowest level of let-through voltage possible, making them the ideal choice for sensitive electronics and computer equipment. They are available for circuits from 10A up to 32A.

  • Type 1/2/3 ratings
  • LED power and health status indicator for each phase
  • Three stage protection configured for sensitive loads
  • Common and transverse mode filtering and protection
  • Active alarm with remote alarm connections (-A model)
  • Compact DIN compliant metallic housing

Application Notes Download

SpecificationsSFD3-10-50-275-ASFD3-20-50-275-ASFD3-32-50-275-A
Nominal voltageUₒ230V / 50Hz – 60Hz
Maximum continuous voltage ACU꜀275V / 50Hz – 60Hz
Maximum load current

IL

10A20A32A
L-N Maximum discharge current (8/20μs)Iₘₐₓ50kA50kA50kA
L-N Impulse current (10/350μs)Iᵢₘₚ6.25kA6.25kA6.25kA
L-N Nominal discharge current (15 x 8/20μs)Iₙ20kA20kA20kA
L-N Voltage protection level @ 3kA (8/20μs)Uₚ<600V<600V<600V
N-PE Impulse current (10/350μs)Iᵢₘₚ50kA50kA50kA
N-PE Nominal discharge current (15 x 8/20μs)Iₙ50kA50kA50kA
N-PE Voltage protection level @ 1kV/μsUₚ<1000V<1000V<1000V
Dimensions📐W 180mm X H 95mm X D 69mm
Weight📦1.4kg1.53kg1.54kg
Product DatasheetPDFSFD3-10-50-275-ASFD3-20-50-275-ASFD3-32-50-275-A
Application Note