ANDELI BY1-D AC SPD 3P 20kA Surge Protective Device

Product Overview

The ANDELI BY1-D AC Surge Protective Device (SPD) 3P 20kA is engineered to protect three-phase low-voltage AC electrical systems from lightning strikes, switching surges, and transient overvoltage events. Featuring a 3 Pole (3P) configuration with a 20kA rated discharge current (In), it delivers dependable surge protection for commercial, industrial, and solar AC distribution systems. Designed in accordance with international surge protection standards, the BY1-D series offers an ultra-fast response time, visual status indicator, flame-retardant thermoplastic housing, and convenient installation on a standard 35mm DIN Rail. It is ideal for three-phase distribution boards, motor control centers, industrial control panels, and sensitive electrical equipment. The BY1-D series is available in 1P, 2P, 3P, and 4P configurations with current ratings from 10kA to 100kA.

Data Specifications