Dispositivo di protezione da sovratensioni CC KY-40/G600 (tipo 2, 600 V)

  • Il 600v dc spd KY-40/G600 provides Type 2 surge protection for photovoltaic DC systems.
  • Compact DIN-rail design with status indication and optional alarm contacts, compliant with IEC 61643-31.
  • Suitable for PV combiner boxes and inverter DC terminals, with shared T2 wiring/dimension diagrams.
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Panoramica

Il 600v dc spd KY-40/G600 is a Type 2 DC surge protective device progettato per
Scatole combinatore FV, string inputs, and inverter DC terminals up to 600VDC.
It limits residual overvoltage caused by indirect lightning and switching surges, protecting PV equipment and cables.
Completamente conforme a IEC 61643-31, CE, UKCA, and RoHS certifications.

Caratteristiche principali

  • 600v dc spd Type 2 device for PV strings and combiner boxes.
  • Replaceable module with clear status indicator for easy maintenance.
  • Optional alarm contacts (NO/NC), reserved per datasheet.
  • DIN-rail mount, flame-retardant housing (UL94-V0), compact size.
  • Si coordina con fusibili gPV e
    Sezionatori DC in a complete
    DC surge protection system.

Specifiche tecniche

TipoTipo 2 (T2)
Tensione del sistema (Ucpv)600 V CC
Corrente di scarica nominale (In)20 kA
Corrente di scarica massima (Imassimo)40 kA
Livello di protezione della tensione (Up)≤ 3.0 kV
Tempo di risposta (ta)< 25 ns
FV Resistenza ai cortocircuiti (Iscpv)20 kA
Modalità di protezione / TopologiaTipo U
Contatto di allarme (opzionale)220V, 0,5A, NO/NC
Fusibile consigliato a monteLS7-50k (secondo scheda tecnica)
Cablaggio / TerminaliTerminali a vite da 6-35 mm²
MontaggioGuida DIN da 35 mm
Involucro / InfiammabilitàCustodia in plastica, UL94-V0
Operating Conditions-40℃ ~ +70℃; ≤95% RH
Dimensioni (L×H×P)36 × 83 × 67 mm
Standard e conformitàIEC 61643-31:2018, GB/T 18802.31, CE, UKCA, RoHS

Cablaggio e dimensioni

Wiring diagram of 600v dc spd KY-40/G600 Type 2 surge protective device for solar photovoltaic systems
Schema di cablaggio condiviso per la serie KY T2 (600V/1000V/1500V/2000V).
Dimension drawing of 600v dc spd KY-40/G600 Type 2 surge protective device for PV combiner box protection
Disegno quotato condiviso per la serie KY T2.

Applicazioni

  • PV combiner boxes and inverter DC terminals operating at 600VDC.
  • Residential and small commercial rooftops requiring Type 2 surge protection.
  • Coordination with upstream fuses and disconnectors in distributed PV systems.

FAQs

Q1. When should I use a 600v dc spd Type 2 device in PV systems?

Use KY-40/G600 at PV string or inverter inputs to limit residual surge voltage from indirect lightning and switching events.

Q2. Can KY-40/G600 be installed inside a PV combiner box?

Yes. It is designed for PV combiner boxes and inverter DC terminals at 600VDC; follow the wiring diagram and datasheet terminals.

Q3. Does KY-40/G600 support remote alarm indication?

Yes. Alarm terminals (NO/NC) are reserved as per the datasheet, rated 220V 0.5A.

Q4. Which standards apply to KY-40/G600?

Sono coperte le certificazioni IEC 61643-31, GB/T 18802.31, CE, UKCA e RoHS.

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