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Type 2+3 Surge Protective Device for Equipment KYSPD-20T2+3-1+1 | Kuangya
Type 2+3 surge protective device for equipment, designed for single-phase 230 V AC systems.
Surge ratings: In 10 kA (8/20 µs), Imax 20 kA (8/20 µs), Up ≤ 1.5 kV depending on Uc.
1+1 topology (L–N MOV + N–PE GDT) for coordinated equipment-level protection, pluggable cartridge, optional RC contacts.
specifically designed to protect sensitive electronic and electrical devices connected to single-phase 230 V AC systems.
It combines Type 2 protection against switching surges with Type 3 fine protection for terminal equipment.The SPD uses a 1+1 topology, employing MOV suppression between L–N and a GDT discharge path between N–PE.
Its pluggable module design ensures easy maintenance, while integrated thermal disconnectors and status indicators enhance operational safety.
Optional RC contacts provide remote fault signaling for monitoring systems.
Key Features
- Type 2+3 SPD with 1+1 topology: L–N (MOV), N–PE (GDT).
- Nominal discharge current (In): 10 kA (8/20 μs).
- Maximum discharge current (Imax): 20 kA (8/20 μs).
- Voltage protection level (Up): ≤ 1.5 kV depending on Uc.
- Continuous operating voltage (Uc): 230 V AC typical.
- Response time: < 25 ns (L–N), < 100 ns (N–PE).
- Back-up fuse: max 63 A gL/gG; ISCCR 10 kA AC.
- Pluggable cartridges with thermal disconnector and green/red fault status indicator.
- Optional RC signaling contacts for BMS/PLC integration.
- Housing: UL94 V-0 thermoplastic, IP20; operating temperature -40 °C to +70 °C.
- Mounting: DIN rail (35 mm, EN 60715); IEC/EN 61643-11 compliant.
Specifications
| Product Code | KYSPD-20T2+3-1+1 |
|---|---|
| Category | Type 2+3 surge protective device for equipment |
| Nominal System Voltage | 230 V AC |
| Topology | 1+1 (L–N MOV, N–PE GDT) |
| Continuous Operating Voltage (Uc) | 230 V |
| Nominal Discharge Current (In, 8/20 μs) | 10 kA |
| Maximum Discharge Current (Imax, 8/20 μs) | 20 kA |
| Voltage Protection Level (Up) | ≤ 1.5 kV |
| Response Time | < 25 ns (L–N), < 100 ns (N–PE) |
| Back-Up Fuse (max) | 63 A gL/gG |
| Short-Circuit Current Rating (ISCCR) | 10 kA AC |
| Operating Temperature | -40 °C to +70 °C |
| Mounting | DIN rail 35 mm, 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 |
| Standards | IEC/EN 61643-11 |
Wiring & Dimensions
Connection diagram type 2+3 surge protective device KYSPD-20T2+3-1+1
Dimensions type 2+3 surge protective device KYSPD-20T2+3-1+1
Applications
- Protection of sensitive equipment in residential and commercial buildings.
- Applied in single-phase panels requiring both Type 2 and Type 3 coordination.
- Used for downstream protection of electronics, IT hardware, and control devices.
FAQ
- What topology does KYSPD-20T2+3-1+1 use? It uses a 1+1 topology: L–N MOV, N–PE GDT.
- What is its surge discharge capacity? In 10 kA, Imax 20 kA.
- Where is it applied? Equipment-level protection in single-phase 230 V AC networks.
- Does it support remote signaling? Yes, optional RC contacts are available.
- What is the maximum back-up fuse? 63 A gL/gG.
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