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Surge Devices SY12325KA2P/ENCM Surge Devices Type 1+2+3 25kA Single Phase Lightning and Surge Arrester
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Surge Devices SY12325KA2P/ENCM Type 1+2+3 SPD – 25kA Single Phase Lightning Arrester with MCB in IP65 Enclosure

SKU: SY12325KA2P/ENCM
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Surge Devices SY12325KA2P/ENCM is a 25kA Type 1+2+3 SPD with a 63A MCB. It fits TT, TN-S, and TNC-S systems and comes in an IP65 enclosure with status indication, remote signalling, and pluggable surge cartridges.

£217.71 + VAT

(incl. VAT £261.25)

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Category: Tags: SPD for TN-S System, SPD for TNC-S System, SPD for TT System, Type 1 and 2 Combined SPD Brand:

Description

⚡Single Phase Lightning & Surge Arrester with Visual Window &  Remote Monitoring

⚡Surge Devices SY12325KA2P/ENCM Type 1,2,3 SPD  & 63A MCB – IP65 Housing for TT, TN-S, TNC-S

The Surge Devices SY12325KA2P/ENCM Type 1+2+3 SPD with MCB is a SPD for single-phase TT, TN-S, and TNC-S systems. Designed to guard sensitive installations against direct lightning strikes and transient overvoltages, it includes 25kA protection, remote signalling, and a pre-fitted 1P 63A MCB. The unit is housed in a weatherproof IP65 polycarbonate enclosure for reliable performance in harsh conditions.

🔧 Key Features – Type 1+2+3 SPD with MCB for TT / TN-S / TNC-S

  • Surge Classification: Type 1+2+3 Combined Arrester
  • Earthing System Support: TT, TN-S, and TNC-S
  • Discharge Ratings:
    • Iimp: 25kA total (10/350μs waveform)
    • In: 20kA (8/20μs)
    • Up: <1.3kV let-through voltage
  • Response Time: <25ns
  • Max Voltage (Uc): 275V AC
  • Temporary Overvoltage (TOV): 335V / 5s
  • Remote Signal Contact: Volt-free changeover output for BMS, lights, buzzers
  • Pluggable Cartridges: Replaceable surge modules (L & N/PE)
  • Status Window: Clear visual LED/flag indicator
  • Mounting: 35mm DIN rail
  • Backup Protection:
    • Pre-installed 1P 63A MCB
    • Short-circuit withstand up to 25kA
  • Recommended Cable Size: 16–25mm²
  • Enclosure: IP65-rated polycarbonate, suitable for external wall or utility mounting
  • Standards Compliance:
    • BSEN 62305 (Lightning Protection)
    • BSEN 61643-11 (SPD Devices)
    • BS 7671 (18th Edition Wiring Regs)

🏠 Ideal Applications

  • Single-phase mains panels – Protect home or commercial systems from lightning events
  • Solar inverter inputs – Prevents surges from reaching delicate PV components
  • TT system consumer units – Fully compliant SPD with included circuit protection
  • Smart buildings or BMS sites – Enables active surge status monitoring
  • Retrofit-friendly installs – Self-contained surge kit for fast surface or wall mounting

📝 Summary

The Surge Devices SY12325KA2P/ENCM is a fully compliant Type 1+2+3 SPD for single-phase TT, TN-S, and TNC-S installations. It combines 25kA surge capacity, remote monitoring, status indication, and a pre-fitted 1P 63A MCB, all within a weatherproof IP65 enclosure. Perfect for PV, EV, and residential panels.

Already have an MCB or prefer to use your own?

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View Product Data Sheet

Additional information

Brand

Surge Devices
No of Poles

2P
Type of SPD

1, 2 & 3
Features

With Enclosure
Voltage

230V
Earthing System

TT, TN-S, TN-C-S
Discharge Capacity

20kA / 50kA
This product will be ordered from one of ours suppliers. The usual dispatch time to you is displayed above. You will receive a notification if there are any delays once your order is placed.
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