SUNTREE AC 40kA Surge Protective Device SPD 4 Pole 3L+N 385V Type 2 – SUP1-40

40kA Surge Protection for Your Solar & Electrical System

The SUNTREE SUP1-40 AC Surge Protective Device is a Class II (Type 2) SPD that shields your distribution board, solar inverter, and connected appliances from lightning surges and grid switching spikes. Built for 3-phase systems (3L+N), it diverts surge energy to earth in nanoseconds so your costly equipment keeps running safely.

Key Features

• 40kA maximum discharge capacity for strong protection against heavy surges
• Ultra-fast response: <25ns to clamp spikes before they reach your equipment
• Integrated thermal disconnector safely isolates the module at end of life
• Visual status window on every pole for quick health checks
• 4 Pole (3L+N) complete three-phase + neutral protection
• 35mm DIN rail mounting for quick, clean installation
• GB18802.1 standard compliant

Technical Specifications

• Brand: SUNTREE
• Model: SUP1-40
• Type: AC SPD, Class II / Type 2 (T2)
• Poles: 4P (3L+N)
• Max Continuous Operating Voltage (Uc): 385V AC
• Nominal Discharge Current (In): 20kA
• Maximum Discharge Current (Imax): 40kA
• Voltage Protection Level (Up): ≤1.8kV
• Response Time: <25ns
• Mounting: 35mm DIN rail

Ideal Applications

• Solar PV systems, inverter AC output side
• Home, commercial, and industrial distribution boards
• Three-phase power systems, factories, and offices
• Protection for CCTV, networking, and sensitive electronics

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