Type 1 Surge Protection Device KYSPD-25T1-1P | Kuangya

  • Class I / Type 1 SPD for service entrance, 230/400 V AC systems.

  • Impulse current Iimp 25 kA (10/350 μs), In 25 kA, Imax 100 kA.

  • Pluggable module with visual indicator, DIN-rail, optional remote signaling (RC).

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Categoria:
O type 1 surge protection device KYSPD-25T1-1P is designed for main distribution boards and service entrances. It protects low-voltage AC installations against direct lightning currents and high-energy surges per IEC/EN 61643-11. With an impulse discharge current rating of 25 kA per pole (10/350 μs), it provides robust first-stage protection in coordinated systems.

Principais recursos

  • Complies with IEC/EN 61643-11, Class I / Type 1.
  • Impulse discharge current Iimp: 25 kA (10/350 μs); In 25 kA; Imax 100 kA.
  • Uc options: 320 V, 385 V, 440 V AC; nominal system Uo/Un 230/400 V AC.
  • Pluggable cartridge with thermal disconnector and green/red status window.
  • Optional RC terminals for remote status signaling.
  • Housing UL94 V-0, IP20 (built-in); 35 mm DIN rail mounting.
  • Suitable for TN-S / TN-C / TT systems (correct L-N / N-PE wiring).
  • Ideal as a type 1 surge protection device at the service entrance in coordinated SPD schemes.

Especificações

ParâmetroValor
Código do produtoKYSPD-25T1-1P
CategoriaType 1 / Class I SPD
Nominal System Voltage (Uo/Un)230 / 400 V CA
Máx. Tensão operacional contínua (Uc)320 / 385 / 440 V AC
Corrente de descarga nominal (In, 8/20 μs)25 kA
Máx. Corrente de descarga (Imax, 8/20 μs)100 kA
Corrente de descarga de impulso (Iimp, 10/350 μs)25 kA per pole
Nível de proteção de tensão (para cima)~1.6–2.0 kV (by variant)
Tempo de resposta< 25 ns
Follow Current Interrupt Rating100 A RMS
Classificação de corrente de curto-circuito (ISCCR)50 kA
Fusível de reserva (máx.)315 A gL/gG
Temperatura operacional-40 °C ... +70 °C
MontagemTrilho DIN de 35 mm (EN 60715)
EnclosureThermoplastic, UL94 V-0
Grau de proteçãoIP20 (embutido)
Sinalização remotaContatos RC opcionais
PadrõesIEC 61643-11 / EN 61643-11

Fiação e dimensões

  • Diagrama de conexão: kyspd-25t1-connection
  • SPD-T1-1P-wiring-diagram
  • Dimensões: kyspd-25t1-dimensions
  • SPD-T1-1P-Dimension

Aplicativos

  • Service entrance / main distribution (LPZ 0→1) — first stage type 1 surge protection device.
  • Industrial & commercial buildings with high lightning exposure.
  • Upstream in coordinated protection with downstream Type 2 / Type 3 SPDs.

PERGUNTAS FREQUENTES

Where should this SPD be installed?

At the service entrance or main distribution board, as the first protection stage.

Does it support TT and TN systems?

Yes, with proper wiring modes L-N and N-PE.

What backup fuse is required?

Maximum 315 A gL/gG, as recommended in technical data.

Can it be replaced easily?

Yes, the cartridge is pluggable and field-replaceable.

Is remote monitoring available?

Yes, RC contacts are optional for status signaling.

What is the ISCCR rating?

50 kA short-circuit withstand capacity.

What happens if the module fails?

The thermal disconnector isolates it and the indicator turns red.

What standards does it meet?

IEC/EN 61643-11 para dispositivos de proteção contra surtos.

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