Description
⚡DIN Rail SPD with Visual Window & Remote Signalling for TT, TN-S & TNC-S Earthing
⚡Surge Devices SY12325KA2P/ENC – Type 1+2+3 SPD
The SY12325KA2P/ENC Type 1 SPD with Remote Signalling from Surge Devices is a Type 1+2+3 surge arrester housed in an IP65-rated polycarbonate enclosure. Built for single-phase systems (TT, TN-S, TNC-S), this SPD delivers 25kA lightning protection, a fast response time, pluggable modules, and remote indication. It meets BSEN62305, BSEN61643-11, and BS7671 standards, making it ideal for residential, solar, and EV installations.
Key Features – 25kA SPD for TT / TN-S / TNC-S
- Surge Classification: Type 1+2+3 combined arrester
- System Compatibility: Single-phase TT, TN-S, TNC-S
- Discharge Ratings:
- Iimp: 25kA (10/350μs waveform)
- In: 20kA (8/20μs)
- Up (Let-Through Voltage): <1.3kV
- TOV Withstand: 335V for 5 seconds
- Max Continuous Voltage (Uc): 275V AC
- Response Time: <25ns
- Pluggable Cartridges: Easy-to-replace L and N/PE modules
- Visual Status Window: Instant health check of SPD
- Remote Contact Output: Volt-free changeover contact for BMS, alarm, or light
- Mounting: 35mm DIN rail
- Recommended Backup MCB/Fuse: ≥63A (max 160A)
- Cable Size: 16–25mm²
- Enclosure: IP65 polycarbonate, UV-resistant and weatherproof
- Short-Circuit Withstand: Up to 25kA
- Compliance:
- BS EN 62305 (Lightning)
- BS EN 61643-11 (SPD)
- BS 7671 (18th Edition Wiring Regs)
Ideal Applications – Type 1 SPD with Remote Signalling
- Outdoor meter boxes – Secure, sealed SPD for harsh environments
- EV charger protection – Prevent surge damage to home charging stations
- Domestic boards in TT / TN-S setups – Fully compliant surge control
- Solar systems & PV inputs – Prevent inverter damage from grid surges
- Installations with remote monitoring – Status linkable to alarms or building systems
Summary – Type 1 SPD
The Surge Devices SY12325KA2P/ENC is a 25kA Type 1+2+3 SPD built for TT, TN-S, and TNC-S earthing systems. It includes remote indication, a status window, pluggable surge cartridges, and a robust IP65 polycarbonate enclosure. Designed for external or panel mounting, it offers top-tier protection and compliance.
Want a faster install with a built-in circuit breaker?
- SY12325KA2P/ENCM – Includes 63A MCB in IP65 Enclosure
If you’re looking for a fully pre-configured surge unit, this model comes with both the SPD and MCB in a weatherproof box. - SY12325KA2P – SPD Module Only
Alternatively, install this core module directly into a distribution board or existing enclosure.
