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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).
Características principales
- 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 dispositivo de protección contra sobretensiones de tipo 1 at the service entrance in coordinated SPD schemes.
Especificaciones
| Parámetro | Value |
|---|---|
| Código del producto | KYSPD-25T1-1P |
| Categoría | Type 1 / Class I SPD |
| Nominal System Voltage (Uo/Un) | 230 / 400 V AC |
| Max. Continuous Operating Voltage (Uc) | 320 / 385 / 440 V AC |
| Corriente nominal de descarga (In, 8/20 μs) | 25 kA |
| Max. Discharge Current (Imax, 8/20 μs) | 100 kA |
| Impulse Discharge Current (Iimp, 10/350 μs) | 25 kA per pole |
| Nivel de protección de tensión (arriba) | ~1.6–2.0 kV (by variant) |
| Tiempo de respuesta | < 25 ns |
| Follow Current Interrupt Rating | 100 A RMS |
| Corriente nominal de cortocircuito (ISCCR) | 50 kA |
| Backup Fuse (max) | 315 A gL/gG |
| Temperatura de funcionamiento | -40 °C … +70 °C |
| Montaje | 35 mm DIN rail (EN 60715) |
| Enclosure | Thermoplastic, UL94 V-0 |
| Protection Degree | IP20 (built-in) |
| Remote Signaling | Optional RC contacts |
| Normas | IEC 61643-11 / EN 61643-11 |
Cableado y dimensiones
- Connection diagram: kyspd-25t1-connection
- Dimensions: kyspd-25t1-dimensions
Aplicaciones
- Service entrance / main distribution (LPZ 0→1) — first stage dispositivo de protección contra sobretensiones de tipo 1.
- Industrial & commercial buildings with high lightning exposure.
- Upstream in coordinated protection with downstream Type 2 / Type 3 SPDs.
PREGUNTAS FRECUENTES
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 for surge protective devices.
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