Description
⚡Premium Single Phase SPD with Visual Indication, Pluggable Modules & Remote Monitoring
⚡Surge Devices SY12325KA2P Type 1+2+3 SPD for TT, TN-S & TNC-S
The SY12325KA2P is a high-quality Type 1+2+3 SPD for All Systems: TT, TN-S, TNC-S Rated at 25kA per mode and 50kA total, this SPD offers reliable protection from lightning strikes and overvoltage events. Featuring pluggable modules, visual status indication, and remote monitoring, it is DIN rail-mounted and fully compliant with BSEN62305, BSEN61643-11, and BS7671.
Key Features – SPD for Single Phase
- SPD Class: Type 1+2+3 combined
- System Compatibility: Single-phase TT, TN-S, and TNC-S systems
- Discharge Performance:
- Iimp: 25kA total (12.5kA per mode, 10/350µs)
- In: 20kA (8/20µs)
- Imax: 50kA (8/20µs max)
- Voltage Protection Level (Up): <1.3kV
- Max Voltage (Uc): 275V AC
- Temporary Overvoltage (TOV): 335V / 5 sec
- Response Time: <25ns
- Visual Indicator: Built-in window shows device status
- Remote Signalling: Volt-free changeover contact (BMS, light, buzzer)
- Mounting: 35mm DIN rail
- Replaceable Modules: Pluggable L and N/PE cartridges
- Backup Protection:
- Fuse/MCB: ≥63A
- Max fuse: 160A gL/gG
- Short-Circuit Withstand: 25kA
- Cable Size: 16–25mm² recommended
- Weight: 350g
- Housing Options: Also available in IP65 polycarbonate or metal enclosures
- Manufactured in Europe
- Standards:
- BS EN 62305
- BS EN 61643-11
- BS 7671 (18th Edition)
Ideal Applications – Type 1+2+3 SPD for All Systems: TT, TN-S, TNC-S
- Residential TT or TN installations – Safe surge suppression for homes and flats
- Solar and EV systems – Protect inverters and chargers in single-phase setups
- Industrial control panels – Easy to replace pluggable modules in service environments
- Remote-monitored sites – Use BMS contact for real-time alerting
- Regulatory-compliant installs – Ideal for LPL Class III / IV sites with Type 1+2+3 protection
Summary – Type 1+2+3 SPD for All Systems: TT, TN-S, TNC-S
The Surge Devices SY12325KA2P is a Type 1+2+3 SPD rated for 25kA lightning protection. Built for single-phase TT, TN-S, and TNC-S installations, it includes visual status, remote signalling, and pluggable modules. Compliant with UK standards and DIN rail-ready, it’s ideal for solar, EV, and domestic boards.
Need this SPD in a ready-to-install enclosure?
- SY12325KA2P/ENC – Same SPD in IP65 Polycarbonate Enclosure
Perfect for outdoor installs or locations with dust or moisture, this version offers the same protection in a sealed housing. - SY12325KA2P/ENCM – Enclosed SPD with Pre-installed 63A MCB
Prefer an all-in-one install? This unit includes both the enclosure and 63A MCB for simplified installation and compliance.
