Three Phase Spark Gap Arresters Type 1

Power | Main Switchboards | Commercial and Industrial (Highly Exposed)
Product Line : SG3

Three Phase Spark Gap Arresters Type 1

For highly exposed LV transmission lines

Novaris three phase spark gap surge diverters offer a high level of protection against direct strike surges. They are recommended for point of entry in highly exposed locations where protection against direct strikes is necessary, typically where there may be long runs of highly exposed LV transmission line.

  • Type 1 rating
  • Health status indicator
  • Fully encapsulated
  • Passive alarm with remote alarm connections

Application Notes Download

SpecificationsSG3-50-275SG3-50-275-N
Nominal voltageUₒ230V / 50Hz – 60Hz
Maximum continuous voltage ACU꜀275V / 50Hz – 60Hz
L-N Maximum discharge current (8/20μs)Iₘₐₓ150kA150kA
L-N Impulse current (10/350μs)Iᵢₘₚ50kA50kA
L-N Nominal discharge current (15 x 8/20μs)Iₙ50kA50kA
L-N Voltage protection level @ In (8/20μs)Uₚ<1300V<1300V
N-PE Impulse current (10/350μs)Iᵢₘₚ–100kA
N-PE Nominal discharge current (15 x 8/20μs)Iₙ–100kA
N-PE Voltage protection level @ InUₚ–<1500V
Dimensions📐W 108mm X H 67mm X D 91mmW 144mm X H 67mm X D 91mm
Weight📦700g1kg
Product DatasheetPDFSG3-50-275SG3-50-275-N
Application Note