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Surge Protection Device for Electrical Panel KYSPD-20T2+3-2P | Kuangya
Surge protection device for electrical panel, designed for single-phase 2P (L+N) 230 V AC networks.
Surge ratings: In 10 kA (8/20 µs), Imax 20 kA (8/20 µs), Up ≤ 0.3–1.8 kV depending on Uc.
Pluggable cartridge, thermal disconnector with green/red indicator, optional RC signaling contacts.
designed for single-phase AC systems at 230 V. It combines Type 2 and Type 3 protection classes,
ensuring effective surge suppression in distribution boards and protecting sensitive loads
such as computers, appliances, and building electronics.It uses MOV surge absorption with pluggable modules for easy maintenance, and integrates
a thermal disconnector with clear green/red status display. Optional RC contacts allow
fault signaling for integration with monitoring systems such as BMS or PLC.
Key Features
- Type 2+3 SPD for electrical panel applications (2P: L+N).
- 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).
- Response time < 25 ns for fast surge suppression.
- Back-up fuse: max 63 A gL/gG; ISCCR 10 kA AC.
- Pluggable module, service-friendly with thermal disconnector and fault 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 IP20, UL94 V-0 thermoplastic; operating temperature -40 °C to +70 °C.
- DIN rail mounting (EN 60715); IEC/EN 61643-11 compliant.
Specifications
| Product Code | KYSPD-20T2+3-2P |
|---|---|
| Category | Surge protection device for electrical panel |
| Nominal System Voltage | 230 V AC |
| Poles | 2P (L+N) |
| 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 surge protection device for electrical panel KYSPD-20T2+3-2P
Dimensions surge protection device for electrical panel KYSPD-20T2+3-2P
Applications
- Single-phase distribution boards in residential and commercial buildings.
- Protection of sensitive loads such as computers, appliances, and building systems.
- Coordination with upstream Type 1 SPDs in TT/TN networks.
FAQ
- What type of SPD is KYSPD-20T2+3-2P? It is a Class II+III SPD (Type 2+3) for electrical panels.
- What is its surge capacity? In 10 kA, Imax 20 kA.
- Which systems is it designed for? Single-phase 230 V AC 2P (L+N) panels.
- Does it support monitoring? Yes, optional RC contacts are available.
- What is the backup fuse rating? Maximum 63 A gL/gG.
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