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240V Surge Protection Device KYSPD-25T1-3+1 | Kuangya
Four-pole Dispositif de protection contre les surtensions 240v (3+1) design for TN-S and TT systems.
Withstands Iimp 25 kA (10/350 μs) per pole, In 25 kA, Imax 100 kA.
Pluggable cartridge with indicator window; optional RC contacts; DIN rail mount.
Caractéristiques principales
- Complies with IEC/EN 61643-11, Class I / Type 1.
- 3+1 configuration: three phases plus neutral-to-earth protection.
- Iimp 25 kA (10/350 μs) per pole; In 25 kA; Imax 100 kA.
- Nominal system voltage Uo/Un: 230/400 V AC; suitable as a Dispositif de protection contre les surtensions 240v.
- Uc options: 320 / 385 / 440 V AC; voltage protection level (Up): ~1.6–2.0 kV.
- Response time < 25 ns.
- Pluggable replaceable cartridge with thermal disconnector and visual indicator.
- Optional RC contacts for remote signaling.
- Housing UL94 V-0 thermoplastic; IP20 built-in; DIN 35 mm rail mounting.
Spécifications
| Paramètres | Value |
|---|---|
| Product Code | KYSPD-25T1-3+1 |
| Category | 240V Surge Protection Device (Type 1 / Class I) |
| Nominal System Voltage (Uo/Un) | 230 / 400 V AC |
| Max. Continuous Operating Voltage (Uc) | 320 / 385 / 440 V AC |
| Nominal Discharge Current (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 |
| Voltage Protection Level (Up) | ~1.6–2.0 kV |
| Temps de réponse | < 25 ns |
| Short-Circuit Current Rating (ISCCR) | 50 kA |
| Backup Fuse (max) | 315 A gL/gG |
| Température de fonctionnement | -40 °C … +70 °C |
| Montage | 35 mm DIN rail (EN 60715) |
| Enclosure | Thermoplastic, UL94 V-0 |
| Protection Degree | IP20 (built-in) |
| Remote Signaling | Optional RC contacts |
| Normes | IEC 61643-11 / EN 61643-11 |
This Dispositif de protection contre les surtensions 240v is recommended for TN-S and TT earthing systems, delivering reliable first-stage lightning current handling.
Câblage et dimensions
- Connection diagram: kyspd-25t1-3+1-connection
- Dimensions: kyspd-25t1-3+1-dimensions
Applications
- Service entrance protection for low-voltage panels.
- First-stage Dispositif de protection contre les surtensions 240v in coordinated systems with Type 2 and Type 3 SPDs.
- Commercial and industrial electrical panels requiring robust lightning protection.
FAQ
Where should KYSPD-25T1-3+1 be installed?
It should be installed at the service entrance or main panel as a Dispositif de protection contre les surtensions 240v.
What is the impulse discharge current rating?
Le Dispositif de protection contre les surtensions 240v withstands Iimp 25 kA per pole (10/350 μs).
Can this device be used in TT systems?
Yes, the 3+1 design makes it suitable for TT as well as TN-S systems.
How can the module be replaced?
The pluggable cartridge design makes this Dispositif de protection contre les surtensions 240v easy to service.
Does it support remote monitoring?
Oui, des bornes RC sont disponibles en option pour la signalisation à distance.
What standards does it comply with?
IEC/EN 61643-11 for AC surge protective devices.
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