Description
⚡25kA Single Phase Lightning Arrester with Indication
⚡Type 1+2+3 SPD with Visual Window & Remote Monitoring – For TN-S and TNC-S
The Surge Devices 10020/2 is a single-phase Type 1+2+3 SPD for TN-S and TNC-S Systems offering Type 1+2+3 lightning and surge arresting capability. Designed for TNC-S and TN-S installations, this device handles 50kA total discharge, includes window status indication, and supports remote signalling. With a fast response time and low let-through voltage, it ensures protection for residential and light commercial electrical systems.
Key Features – Single-Phase SPD
- SPD Classification: Type 1+2+3 (Combined arrester)
- Lightning Protection Level:
- Iimp: 25kA per mode (10/350µs)
- Itotal: 50kA (combined L/N–PE)
- Nominal Discharge Current (In): 20kA (8/20µs)
- Max Operating Voltage (Uc): 275V AC
- Voltage Protection Level (Up): <1.2kV
- Response Time: <25ns
- Temporary Overvoltage (TOV): 335V / 5 sec
- Status Indication: Visual window for instant SPD condition
- Remote Monitoring: Changeover contact for BMS, alarms, or signals
- Follow Current Suppression: Automatically extinguishes after activation
- Installation Requirements:
- Backup MCB / Fuse: 63–100A
- Short Circuit Withstand: 60kArms
- Cable Size: 25mm² solid copper
- Mounting: 35mm DIN rail
- Enclosure Options: Polycarbonate IP65 or metal (sold separately)
- Compliance:
- BS EN 62305 (Lightning Protection)
- BS EN 61643-11 (SPD)
- BS 7671 (Wiring Regs)
- Service Life: >100,000 hours
- Weight: 560g
- Made in Europe
Ideal Applications – Type 1+2+3 SPD for TN-S and TNC-S Systems
- Single-phase lightning protection for homes – Safeguards appliances, routers, and EV supply
- Cost-effective SPD for solar PV installs – Perfect for inverter and DB protection
- TNC-S/TN-S small business boards – Protect POS systems, lighting, and networking
- SPD with visual window & BMS contact – For easy visual and remote maintenance
- Standards-compliant domestic installs – Ideal for 18th Edition compliant projects
Summary – Type 1+2+3 SPD for TN-S and TNC-S Systems
The Surge Devices 10020/2 is a compact Type 1+2+3 SPD for single-phase TN-S and TNC-S systems, offering 25kA per mode / 50kA total protection. It includes status indication, remote signalling, and fast reaction time in a DIN-rail format—perfect for domestic and light commercial surge defence.
Need this SPD with an enclosure for external use?
- 10020/2ENC – Same SPD in IP65 Polycarbonate Enclosure
If you’re installing outdoors or in dusty environments, this version includes the same module inside a robust IP65 enclosure. - 10020/2ENCM – SPD in IP65 Enclosure with 63A MCB
Prefer an all-in-one solution? This version includes both the enclosure and a pre-installed 63A MCB for faster installations.
