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Type 2 Surge Protection Device N-PE KYSPD-40T2-1+1 | Kuangya
Type 2 surge protection device N-PE with 1+1 topology (L–N MOV + N–PE GDT) for 230/400 V AC single-phase systems.
Discharge ratings: In 20 kA (8/20 μs), Imax 40 kA (8/20 μs); voltage protection level Up ≤ 1.3–2.0 kV depending on Uc.
Pluggable cartridge design with thermal disconnector and status indicator, optional RC remote signaling contacts, DIN rail mounting.
designed for single-phase 230/400 V AC TN and TT systems. It adopts a 1+1 topology,
using MOV between L–N for surge suppression and a GDT between N–PE for safe
discharge to earth.This SPD is ideal for distribution panels requiring enhanced protection against
switching transients and indirect lightning surges. It features pluggable modules
for easy replacement, integrated thermal disconnectors with visible indicators,
and optional RC contacts for remote fault monitoring.
Key Features
- Type 2 SPD with 1+1 topology: L–N (MOV), N–PE (GDT).
- 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.
- Response time: < 25 ns (L–N), < 100 ns (N–PE).
- Back-up fuse: max 125 A gL/gG; ISCCR 25 kA AC.
- Pluggable cartridges with thermal disconnector and green/red status indicator.
- Optional RC contacts: AC 250 V / 0.5 A; DC 250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A.
- Housing UL94 V-0 thermoplastic, IP20; operating temperature -40 °C to +80 °C.
- DIN rail mounting (35 mm, EN 60715); IEC/EN 61643-11 compliant.
Specifications
| Product Code | KYSPD-40T2-1+1 |
|---|---|
| Category | Type 2 surge protection device N-PE |
| Nominal System Voltage | 230/400 V AC |
| Topology | 1+1 (L–N MOV, N–PE GDT) |
| Continuous Operating Voltage (Uc) | 230 / 320 / 385 V |
| Nominal Discharge Current (In, 8/20 μs) | 20 kA |
| Maximum Discharge Current (Imax, 8/20 μs) | 40 kA |
| Voltage Protection Level (Up) | ≤ 1.3–2.0 kV |
| Response Time | < 25 ns (L–N) / < 100 ns (N–PE) |
| Back-Up Fuse (max) | 125 A gL/gG |
| Short-Circuit Current Rating (ISCCR) | 25 kA AC |
| Operating Temperature | -40 °C to +80 °C |
| Mounting | 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; 125 V / 0.2 A; 75 V / 0.5 A |
| Standards | IEC/EN 61643-11 |
Wiring & Dimensions
Connection diagram type 2 surge protection device N-PE KYSPD-40T2-1+1
Dimensions type 2 surge protection device N-PE KYSPD-40T2-1+1
Applications
- Main and sub-distribution boards in residential, commercial, and industrial facilities.
- Protection of single-phase TN/TT networks requiring N–PE discharge path.
- Coordination with upstream Type 1 SPDs for complete system protection.
FAQ
- What topology does KYSPD-40T2-1+1 use? 1+1 topology with MOV (L–N) and GDT (N–PE).
- What is its surge rating? In 20 kA, Imax 40 kA.
- Which systems is it suitable for? Single-phase TN and TT 230/400 V AC systems.
- Does it provide remote monitoring? Yes, optional RC contacts are available.
- What is the maximum backup fuse? 125 A gL/gG.
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