SUNTREE AC 40kA Surge Protective Device SPD 2 Pole (1P+N) 275V – SUP1-40

Reliable Single-Phase Surge Protection for Homes & Solar Systems

The SUNTREE SUP1-40 2 Pole AC Surge Protective Device protects single-phase (L+N) systems from lightning strikes and grid switching surges. Installed in your distribution board, it safely diverts dangerous surge energy to earth, keeping your solar inverter, appliances, and electronics running without damage.

Key Features

• 40kA maximum discharge capacity for dependable protection against strong surges
• Low protection level (Up <1.8kV) keeps let-through voltage safe for sensitive equipment
• Fast response clamps voltage spikes in nanoseconds
• Built-in thermal protection safely isolates the module at end of life
• Visual status window on each pole for quick health checks
• Compact 2 Pole (L+N) design on standard 35mm DIN rail
• GB18802.1 standard compliant

Technical Specifications

• Brand: SUNTREE
• Model: SUP1-40
• Type: AC Surge Protective Device (SPD)
• Poles: 2P (L+N), single phase
• Max Continuous Operating Voltage (Uc): 275V AC
• Nominal Discharge Current (In): 20kA
• Maximum Discharge Current (Imax): 40kA
• Voltage Protection Level (Up): <1.8kV
• Mounting: 35mm DIN rail

Ideal Applications

• Home solar systems, inverter AC output and grid input
• Residential and shop distribution boards (single phase 220/230V)
• Protection for ACs, fridges, CCTV, and networking equipment

Install by a qualified electrician with proper earthing (PE) connection.