Surge Protection Device 12.5kA Class 1 + 2

CHINT NXU-Ⅰ+Ⅱ/F 12.5kA 275V – AC Surge Protection Device (Class I+II)

The CHINT NXU-Ⅰ+Ⅱ/F 12.5kA 275V is a high-performance AC surge protection device designed to safeguard electrical installations against lightning-induced surges and transient overvoltages. With combined Class I+II protection, it is suitable for both direct lightning exposure and switching surges, making it ideal for residential, commercial and industrial applications.

Key Features

• Combined Class I+II protection for high-energy surge environments.
• Rated for 12.5kA discharge capability for robust AC system protection.
• 275V AC rating suitable for standard single-phase and three-phase systems.
• Replaceable protection modules with clear visual status indicators.
• Compact DIN-rail mounted design for easy integration into DB boards.
• Low residual voltage ensures better protection of sensitive equipment.

Typical Applications

• Main AC distribution boards in residential homes.
• Commercial and industrial electrical panels.
• Solar inverter AC output protection.
• Generator and backup power installations.
• Any AC system requiring surge and lightning protection.

Installation Notes

• Install at the main incoming supply or distribution board.
• Ensure proper earthing for effective surge discharge.
• Mount on standard DIN rail inside a compliant enclosure.
• Check visual indicators periodically and replace modules when required.

The NXU-Ⅰ+Ⅱ/F 12.5kA 275V provides reliable, high-energy surge protection for AC electrical systems, ensuring long-term safety and performance for homes, businesses and industrial environments.