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Type 1+2 Surge Protective Device 4P KYSPD-12.5T1+2-4P | Kuangya
Four-pole type 1+2 surge protective device 4P for 230/400 V AC TN-S distribution boards.
Surge ratings: Iimp 12.5 kA (10/350 µs), In 20 kA (8/20 µs), Imax 50 kA (8/20 µs); typical Up 1.6–2.0 kV.
Pluggable modules, thermal disconnector with status indicator, optional RC signaling, DIN-rail 35 mm.
type 1+2 surge protective device 4P designed for service entrance
and main distribution boards on 230/400 V AC TN-S systems. It combines
Type 1 lightning current handling with Type 2 surge discharge performance
to safeguard downstream equipment.Modules are pluggable with a thermal disconnector and clear
status window. Optional RC contacts provide remote fault signaling for
integration with monitoring systems.
Key Features
- Combination Type 1+2 protective device for TN-S systems.
- Surge current handling: Iimp 12.5 kA (10/350 µs), In 20 kA, Imax 50 kA.
- Voltage protection level Up typically 1.6–2.0 kV (per variant).
- Response time < 25 ns; high-energy MOV design.
- Pluggable replaceable cartridges with green/red fault indicator.
- Optional RC remote signaling for BMS/PLC integration.
- Thermoplastic housing UL94-V0, IP20 degree of protection.
- Mounting on 35 mm DIN rail (EN 60715).
- Standards compliance: IEC/EN 61643-11.
Specifications
| Product Code | KYSPD-12.5T1+2-4P |
|---|---|
| Category | Type 1+2 surge protective device 4P |
| Nominal System Voltage (Uo/Un) | 230/400 V AC |
| Max. Continuous Operating Voltage (Uc) | 275 V / 320 V / 385 V / 440 V (variants) |
| Iimp (10/350 µs) | 12.5 kA |
| In (8/20 µs) | 20 kA |
| Imax (8/20 µs) | 50 kA |
| Up | 1.6–2.0 kV |
| Response Time | < 25 ns |
| Backup Fuse (max) | 160 A gL/gG |
| ISCCR | 25 kA AC |
| Operating Temperature | -40 °C to +70 °C |
| Mounting | 35 mm DIN rail (EN 60715) |
| Enclosure | Thermoplastic, UL94 V-0 |
| Protection Degree | IP20 (built-in) |
| Remote Signaling | Optional RC contacts |
| Standards | IEC/EN 61643-11 |
Wiring & Dimensions
Wiring diagram type 1+2 surge protective device 4P
Dimensions type 1+2 surge protective device 4P
Applications
- Main distribution boards in industrial and commercial buildings.
- Service entrance protection for residential complexes.
- Panels requiring coordinated Type 1+2 surge protective devices for TN-S networks.
FAQ
- Where should this device be installed? At service entrance or main distribution boards on TN-S systems.
- What surge currents can it handle? Iimp 12.5 kA (10/350 µs), In 20 kA, Imax 50 kA.
- Does it support remote signaling? Yes, optional RC contacts are available.
- Is it suitable for residential or industrial use? Both; it supports residential, commercial, and industrial TN-S boards.
- Which standards does it comply with? IEC/EN 61643-11.
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