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240v Surge Protection Device KYSPD-40T2-3P | Kuangya
Dispositif de protection contre les surtensions 240v for three-phase 3P (L1-L2-L3) AC networks, suitable for TN-S, TN-C, and TT systems.
Rated discharge current En 20 kA (8/20 µs), maximum discharge Imax 40 kA (8/20 µs), voltage protection level Up ≤ 1.3–2.0 kV en fonction de Uc.
Pluggable cartridge with thermal disconnector, visual fault indicator, optional RC contacts, DIN-rail mounting.
designed for three-phase systems (L1, L2, L3). It provides Type 2
protection against transient overvoltages caused by indirect lightning
and switching operations in 230/400 V AC TN-S, TN-C, and TT networks.Equipped with high-capacity MOV elements, the device ensures reliable
surge suppression with a pluggable module structure for easy service.
Integrated thermal disconnectors and clear fault indicators guarantee safety,
while optional RC contacts enable monitoring integration with building
management systems (BMS) or PLC.
Caractéristiques principales
- Class II / Type 2 surge protection for 240 V three-phase systems.
- Nominal discharge current (In): 20 kA (8/20 μs).
- Maximum discharge current (Imax): 40 kA (8/20 μs).
- Voltage protection level (Up): ≤ 1.3–2.0 kV depending on Uc (230–385 V).
- Response time < 25 ns, ensuring rapid surge suppression.
- Back-up fuse: max 125 A gL/gG; ISCCR up to 25 kA AC.
- Pluggable module with thermal disconnector and visible green/red status.
- Contacts de signalisation à distance RC en option : AC 250 V / 0,5 A ; DC 250 V / 0,1 A ; 125 V / 0,2 A ; 75 V / 0,5 A.
- Boîtier IP20, thermoplastique UL94 V-0 ; température de fonctionnement -40 °C à +80 °C.
- Mounting: 35 mm DIN rail (EN 60715); complies with IEC/EN 61643-11.
Spécifications
| Code produit | KYSPD-40T2-3P |
|---|---|
| Catégorie | Dispositif de protection contre les surtensions 240v |
| Tension nominale du système | 230/400 V AC |
| Pôles | 3P (L1, L2, L3) |
| Tension de fonctionnement continu (Uc) | 230 V / 320 V / 385 V |
| Courant de décharge nominal (In, 8/20 μs) | 20 kA |
| Courant de décharge maximal (Imax, 8/20 μs) | 40 kA |
| Niveau de protection de la tension (vers le haut) | ≤ 1.3–2.0 kV |
| Temps de réponse | < 25 ns |
| Fusible de secours (max) | 125 A gL/gG |
| Courant nominal de court-circuit (ISCCR) | 25 kA AC |
| Température de fonctionnement | De -40 °C à +80 °C |
| Montage | Rail DIN 35 mm, EN 60715 |
| Enceinte / Protection | Thermoplastique UL94 V-0 / IP20 |
| Signalisation à distance (RC) | En option ; AC 250 V / 0,5 A ; DC 250 V / 0,1 A ; 125 V / 0,2 A ; 75 V / 0,5 A |
| Normes | IEC/EN 61643-11 |
Câblage et dimensions
Connection diagram 240v surge protection device KYSPD-40T2-3P
Dimensions 240v surge protection device KYSPD-40T2-3P
Applications
- Three-phase 240 V AC distribution boards in residential, commercial, and industrial facilities.
- Coordination with upstream Type 1 arresters in TT and TN systems.
- Electrical panels requiring reliable 3P surge protection with monitoring options.
FAQ
- What class of SPD is KYSPD-40T2-3P? It is Class II, Type 2 according to IEC/EN 61643-11.
- What is its discharge capacity? In 20 kA, Imax 40 kA per phase.
- Can it be used in 240 V three-phase systems? Yes, it is designed for L1-L2-L3 protection in 230/400 V AC networks.
- Does it provide remote signaling? Oui, des contacts RC sont disponibles en option.
- What is the maximum backup fuse rating? 125 A gL/gG.
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