Description
⚡ Complete 25kA Type 1+2+3 SPD for TN-S / TNC-S Systems – With MCB and Visual Indication
⚡ Surge Devices 10020/2ENCM
The Surge Devices 10020/2ENCM 25kA Type 1+2+3 SPD with MCB is a single-phase Type 1+2+3 surge protector designed for TN-S and TNC-S systems. It offers strong lightning and surge protection with 25kA per mode discharge, a 63A MCB, and clear visual status indication. Housed in a weatherproof IP65 polycarbonate box, it is easy to install and reliable for long-term use.
Key Features – Single-Phase SPD with Enclosure & Breaker
- Type Classification: Type 1+2+3 combined lightning and surge arrester
- Earthing Systems: TN-S and TNC-S compatible
- Discharge Capability:
- Iimp: 25kA per mode (10/350µs)
- Itotal: 50kA L-N-PE combined
- In: 20kA (8/20µs)
- Max Continuous Operating Voltage (Uc): 275V AC
- Voltage Protection Level (Up): <1.2kV
- Temporary Overvoltage (UT): 335V for 5 sec
- Response Time: <25ns
- Status Indication: Visual window for live SPD condition monitoring
- Remote Monitoring: Volt-free changeover contact for alarms, BMS, etc.
- Safety Function: Suppresses follow currents after activation
- Enclosure: IP65-rated polycarbonate
- MCB Included: 1P 63A circuit breaker pre-installed
- Installation:
- DIN Rail Mounted
- Recommended Fuse: 63–100A
- Cable Size: 25mm² solid copper
- Short Circuit Withstand: 60kA
- Lifespan: Minimum 100,000 hours
- Weight: 560g
- Certifications:
- BS EN 62305 (Lightning protection)
- BS EN 61643-11 (Surge protection)
- BS 7671 (UK Wiring Regulations)
- Manufactured in Europe
Ideal Applications – 25kA Type 1+2+3 SPD with MCB
- Residential lightning protection – Perfect for domestic TN-S or TNC-S installations
- Solar inverter boards & EV supply protection – Full-mode surge defence in enclosed format
- SPD with BMS support – Monitor faults via changeover relay for smart buildings
- Contractor-ready units – Save installation time with pre-fitted IP65 enclosure & MCB
- Cost-effective surge solution – Full Type 1+2+3 protection with low let-through voltage
Summary – 25kA Type 1+2+3 SPD with MCB
The Surge Devices 10020/2ENCM is a single-phase Type 1+2+3 SPD designed to manage direct lightning strikes and surges. With visual status, remote signalling, and a 63A MCB all enclosed in a rugged IP65 polycarbonate box, it ensures easy installation and long-term reliability for TN-S and TNC-S applications.
Prefer to use your own circuit protection?
- 10020/2ENC – Same Enclosure, Without MCB
If you have an existing MCB installed, this version includes the same IP65 protection without the breaker. - 10020/2 – SPD Module Only
Looking for flexibility? Use this core SPD module inside your own enclosure or distribution board.
