LIVE Electrical SPV340/1 3-Pole 20kA/40kA Type 2 DC Surge Protection Device

Product Overview

The LIVE Electrical SPV340/1 3-Pole Type 2 DC Surge Protection Device (SPD) provides high-level protection for solar photovoltaic (PV) systems and DC power installations up to 1500VDC. Designed for efficiency and durability, this SPD ensures reliable performance against transient overvoltages caused by lightning strikes or switching surges, helping to safeguard valuable electrical equipment.

Built with high-energy varistors and integrated thermal disconnection technology, the SPV340/1 guarantees a rapid response and safe fault isolation. Its plug-in protection module enables easy installation and maintenance, while the weather-resistant design ensures longevity even in harsh environments. Fully compliant with IEC/EN 61643-31 and BS EN 61643-31, this SPD delivers dependable surge protection for modern renewable and industrial systems.

Key Features & Benefits

• Type: Type 2 DC SPD – suitable for solar PV and DC distribution systems.
• Number of Poles: 3-pole configuration for protection up to 1500VDC.
• Nominal discharge current (In): 20kA.
• Maximum discharge current (Imax): 40kA.
• Max continuous operating voltage (Uc): 1300VDC.
• Voltage protection level (Up): ?4.0kV for enhanced system safety.
• Response time: <25 nanoseconds for ultra-fast surge suppression.
• Thermal disconnector: Built-in for automatic fault indication and isolation.
• Protection degree: IP20 enclosure rating for safe internal installation.
• Operating temperature: -40°C to +80°C for extreme conditions.
• Optional remote signalling: Allows system monitoring and maintenance alerts.
• Compliance: Certified to IEC/EN 61643-31 and BS EN 61643-31 standards.

Applications

• Solar photovoltaic (PV) array protection
• Battery storage and hybrid inverter systems
• DC distribution and control panels
• Renewable energy and off-grid systems

Downloads

Download SPV340/1 Data Sheet (PDF)

Download LIVE Electrical Catalogue (PDF)