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  • Series
  • Model
  • Brand / Made in
  • Type 1+2 surge protector for Photovoltaic 
  • Network: PV network 1000 Vdc
  • Max. PV operating voltage: 1200 Vdc
  • Impulse currents Iimp/Itotal : 6.25/12.5 kA (10/350µs)
  • Max. discharge current: 40 kA
  • Common/Differential mode protection
  • Remote signaling
  • IEC 61643-31, EN 61643-31 and EN 50539-11 certified
  • UL1449 ed.5 compliance


Type 1+2 surge protection (SPD) DS50PV/12KT1 are intended for the protection of photovoltaic power grids. The SPD cartridges are pluggable to ensure quick replacement in the event of a defect. The protection circuit consists of a fault-resistant Y-circuit with a gas discharge tube and high-power varistors. The products are available with a remote signaling system of the state of the surge protectior.

Kích thước cấu tạo và sơ đồ mạch bảo vệ của bộ chống sét DC 1000V DS50PV-1000G/12KT1
DS50PV-1000G/12KT1 - Diagram & Dimensions


  • SPD type: 1+2
  • Network: PV network 1000 Vdc
  • Nominal PV voltage Uocstc: 1000 Vdc
  • Max. PV operating voltage Ucpv: 1200 Vdc
  • Residual Current (leakage current to Ground) Ipe: None
  • PV Permanent Operating current (current consumption at Ucpv) Icpv: < 0.1 mA
  • Follow current If: None
  • Nominal discharge current (15 x 8/20µs impulses) In: 15 kA
  • Max. discharge current (max. withstand @ 8/20µs by pole) Imax: 40 kA
  • Total Maximum discharge current (max. total withstand @ 8/20µs) Imax total: 60 kA
  • Impulse current by pole (max. withstand 10/350µs by pole) Iimp: 6.25 kA
  • Total lightning current (max. total withstand @ 10/350µs) Itotal: 12.5 kA
  • Current withstand short circuit PV Iscpv: 15000 A
  • Connection mode(s): +/-/PE
  • Protection mode(s): Common/Differential mode
  • Protection level +/- Up: 4.6 kV
  • Protection level +/PE (-/PE) Up: 2.6 kV


  • Technology: MOV+GDT
  • Connection to Network: By screw terminals: 2.5-25mm²
  • Format: Plug-in modular box
  • Plugable: yes
  • Mounting: Symmetrical rail 35 mm (EN 60715)
  • Housing material: Thermoplastic UL94 V-2
  • Operating temperature: -40/+85°C
  • Protection rating: IP20
  • Outdoor application: no
  • Disconnection indicator: 2 mechanical indicators
  • Remote signaling of disconnection: Output on changeover contact


  • Standards compliance: EN 61643-31 / EN 50539-11 / UL1449


  • Thermal disconnector: Internal
  • Fuses: without


DS50PV-1000G/12KT1 surge protector is connected in parallel on the DC network 

  • The total length of parallel connection wires to DC 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.
  • Local earthing resistance must be in compliance with the electrical rules.

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