• Series
  • Model
  • Brand / Made in
  • Compact 3-phase+N type 2 (or 3) surge protector
  • Max. AC operating voltage L-N Uc: 255 Vac
  • Nominal discharge current In: 5 kA
  • Max. discharge current Imax: 15 kA
  • Protection mode: Common mode
  • Withstand on Combination waveform IEC 61643-11 Uoc: 10 kV
  • Protection level Up: 0.9 kV
  • Pluggable module
  • Remote signaling (option)
  • Standards compliance: IEC 61643-11/EN 61643-11/UL1449 4ed

DS415-230 compact Type 2/3 AC surge protector 3-phase+N

The DS415 Type 2 surge protectors are compact devices designed to protect 3-phase+N networks at the main switchboard. They provide a common mode protection.
This SPD is based on high energy varistor equipped with thermal disconnectors and failure indicator, to comply with standards. Version with a remote signaling for disconnection indication is also available (DS415S).
The DS415 is DIN rail compatible and is built with a plug-in module and a fixed base, which allows an easy and fast maintenance.


  • SPD type: 2 (or 3)
  • Network: 230/400 V 3-phase
  • AC system: TN
  • Nominal line voltage Un: 230 Vac
  • Max. AC operating voltage Uc: 255 Vac
  • Temporary Over Voltage (TOV) Charasteristics - 5 sec UT: 335 Vac withstand
  • Temporary Over Voltage (TOV) Charasteristics - 120 mn UT: 440 Vac disconnection
  • Residual Current Ipe: < 0.5 mA
  • Operating current (Continious current at Uc) Ic: 0.5A 
  • Follow current If: None
  • Nominal discharge current In: 5 kA
  • Max. discharge current Imax: 15 kA
  • Withstand on Combination waveform IEC 61643-11 Uoc: 10 kV
  • Connection mode(s): L/PE and N/PE
  • Protection mode(s): Common mode
  • Protection level CM/DM @ In (8/20µs) Up mc/md: 0.9 kV
  • Residuel voltage at 5 kA @ 5 kA (8/20µs) Up-5kA: 0.9 kV
  • Admissible short-circuit current Isccr: 10000 A  


  • Technology: MOV
  • SPD configuration: 3-phase+N
  • Connection to Network: By screw terminals: 1.5-10mm² (L/N) or 2.5-25mm² (PE)
  • Format: Plug-in modular box
  • Mounting: Symmetrical rail 35 mm (EN 60715)
  • Housing material: Thermoplastic UL94 V-0
  • Operating temperature Tu: -40/+85°C
  • Protection rating: IP21
  • Failsafe mode: Disconnection from AC network
  • Disconnection indicator: 4 mechanical indicator 
  • Spare module(s): DSM415-230
  • Remote signaling of disconnection: option DS415S-230 : output on changeover contact


  • Thermal disconnector: Internal
  • Installation ground fault breaker: Type S or delayed
  • Fuses: Fuses Type gG - 20 A


  • Standards compliance: IEC 61643-11 / EN 61643-11 / UL1449 
  • Certification: EAC 


DS415-230 Type 2 (3) AC surge protector - 3-phase+N are connected in parallel on the AC network and must be equipped with external fuses for short-circuit current protection

  • The total length of parallel connection wires to AC network must be lower than 0.5 m in order not to increase the protection level (Up) provided by the SPD.
  • Wiring is made by screw connections. On some models, a distribution bus can be used.
  • The protection wire coming from the SPD must be connected to the bonding bar of the electrical panel. Paralleling the protection wire with phases conductors must be avoided.
  • The cross sectional wire must be 6 mm² minimum for Type 2 SPD and 16 mm² for Type 1.
  • Local earthing resistance must be in compliance with the electrical rules.

Further information can be found in IEC 61643-12 standard (selection and application principles for low voltage SPD).



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