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Type 2+3 Surge Protection Device 1P KYSPD-20T2+3-1P | Kuangya
Type 2+3 surge protection device 1P for single-phase AC systems at 230 V.
Surge ratings: In 10 kA (8/20 µs), Imax 20 kA (8/20 µs), Up ≤ 0.3–1.8 kV depending on Uc.
Compact pluggable DIN-rail module, thermal disconnector with status indicator, optional RC signaling contacts.
designed for single-phase electrical panels at 230 V AC. It combines Type 2 and Type 3 protection
classes, making it suitable for downstream circuits where sensitive equipment requires enhanced
surge suppression.This SPD features MOV-based surge absorption with a pluggable cartridge design,
integrated thermal disconnector, and clear green/red status indicator. Optional RC contacts
allow remote fault signaling for integration with building management systems or control panels.
Key Features
- Class II+III / Type 2+3 surge protective device (1P).
- Nominal discharge current (In): 10 kA (8/20 μs).
- Maximum discharge current (Imax): 20 kA (8/20 μs).
- Voltage protection level (Up): ≤ 0.3–1.8 kV depending on Uc (75–440 V).
- Fast response time < 25 ns for reliable transient suppression.
- Back-up fuse: max 63 A gL/gG; ISCCR 10 kA AC.
- Optional RC signaling contacts: AC 250 V / 0.5 A; DC 250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A.
- Thermoplastic UL94 V-0 housing, IP20; operating temperature -40 °C to +70 °C.
- DIN rail mounting (35 mm, EN 60715); IEC/EN 61643-11 compliant.
Specifications
| Product Code | KYSPD-20T2+3-1P |
|---|---|
| Category | Type 2+3 surge protection device 1P |
| Nominal System Voltage | 230 V AC |
| Poles | 1P (Single-phase) |
| Continuous Operating Voltage (Uc) | 75 / 150 / 275 / 320 / 385 / 440 V |
| Nominal Discharge Current (In, 8/20 μs) | 10 kA |
| Maximum Discharge Current (Imax, 8/20 μs) | 20 kA |
| Voltage Protection Level (Up) | ≤ 0.3–1.8 kV |
| Response Time | < 25 ns |
| Back-Up Fuse (max) | 63 A gL/gG |
| Short-Circuit Current Rating (ISCCR) | 10 kA AC |
| Operating Temperature | -40 °C to +70 °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+3 surge protection device 1P KYSPD-20T2+3-1P
Dimensions type 2+3 surge protection device 1P KYSPD-20T2+3-1P
Applications
- Single-phase distribution panels in residential and office buildings.
- Protection of sensitive electronic devices and appliances from transient surges.
- Downstream coordination with upstream Type 1 surge arresters in TT/TN networks.
FAQ
- What class of SPD is KYSPD-20T2+3-1P? It is Class II+III, Type 2+3 according to IEC/EN 61643-11.
- What is its surge discharge capacity? In 10 kA, Imax 20 kA per pole.
- Where can it be installed? In single-phase 230 V AC electrical panels.
- Does it provide remote fault signaling? Yes, optional RC contacts are available.
- What is the maximum backup fuse rating? 63 A gL/gG.
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