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Dispositivo di protezione contro le sovratensioni di tipo 1+1 KYSPD-25T1-1+1 | Kuangya
Type 1 surge protective device 1+1 progettato per single-phase TN/TT systems at 230 V AC.
Surge ratings: Iimp 12.5 kA (10/350 µs), In 20 kA (8/20 µs), Up ≤ 1.5–2.0 kV depending on Uc.
Combines MOV for L–N e GDT for N–PE, pluggable modules, thermal disconnector, optional RC contacts.
designed for installation at the service entrance of low-voltage AC systems.
It uses a 1+1 topology: MOV protection between L–N and coordinated GDT protection
between N–PE, ensuring effective discharge of lightning current impulses (10/350 μs).It is ideal for main distribution boards in residential, commercial, and industrial
buildings, providing primary protection against direct lightning strikes and high-energy surges.
The pluggable cartridge design simplifies replacement, while integrated thermal disconnectors
and status indicators ensure safe operation. Optional RC contacts enable remote monitoring.
Caratteristiche principali
- Type 1 SPD with 1+1 topology (L–N MOV, N–PE GDT).
- Impulse current (Iimp): 12.5 kA (10/350 μs).
- Nominal discharge current (In): 20 kA (8/20 μs).
- Voltage protection level (Up): ≤ 1.5–2.0 kV depending on Uc.
- Continuous operating voltage (Uc): 230 V AC.
- Back-up fuse: max 160 A gL/gG; ISCCR 25 kA AC.
- Response time < 100 ns (N–PE path).
- Optional RC contacts: AC 250 V / 0.5 A; DC 250 V / 0.1 A.
- Thermoplastic housing UL94 V-0, IP20; operating temperature -40 °C to +80 °C.
- DIN rail mounting (EN 60715); IEC/EN 61643-11 compliant.
Specifiche tecniche
| Product Code | KYSPD-25T1-1+1 |
|---|---|
| Category | Type 1 surge protective device 1+1 |
| Nominal System Voltage | 230 V AC |
| Topology | 1+1 (L–N MOV, N–PE GDT) |
| Impulse Current (Iimp, 10/350 μs) | 12.5 kA |
| Nominal Discharge Current (In, 8/20 μs) | 20 kA |
| Voltage Protection Level (Up) | ≤ 1.5–2.0 kV |
| Continuous Operating Voltage (Uc) | 230 V AC |
| Tempo di risposta | < 100 ns (N–PE) |
| Back-Up Fuse (max) | 160 A gL/gG |
| Short-Circuit Current Rating (ISCCR) | 25 kA AC |
| Temperatura di esercizio | -40 °C to +80 °C |
| Montaggio | 35 mm DIN rail, EN 60715 |
| Enclosure / Protection | Thermoplastic UL94 V-0 / IP20 |
| Remote Signaling (RC) | Optional; AC 250 V / 0.5 A; DC 250 V / 0.1 A |
| Standard | IEC/EN 61643-11 |
Cablaggio e dimensioni
Connection diagram type 1 surge protective device 1+1 KYSPD-25T1-1+1
Dimensions type 1 surge protective device 1+1 KYSPD-25T1-1+1
Applicazioni
- Main distribution boards in residential, commercial, and industrial facilities.
- Service entrance protection against lightning-induced surges.
- Panels in TT and TN systems requiring 1+1 SPD configuration.
FAQ
- What topology does KYSPD-25T1-1+1 use? 1+1 topology: L–N MOV and N–PE GDT.
- What is its surge rating? Iimp 12.5 kA (10/350 µs), In 20 kA (8/20 µs).
- Which systems is it suitable for? Single-phase TN and TT 230 V AC systems.
- Does it support monitoring? Yes, optional RC contacts are available.
- What is the maximum backup fuse? 160 A gL/gG.
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