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-13% SaleReliable 4-Pole 20kA Type 2 AC Surge Protective Device for three-phase lightning and transient overvoltage protection.
The ANDELI BY1-D AC Surge Protective Device (SPD) 4P 20kA is designed to protect low-voltage three-phase AC electrical systems against lightning strikes, switching surges, and transient overvoltages. Featuring a 4 Pole (4P) configuration with a 20kA rated discharge current, it provides reliable protection for commercial, industrial, and solar AC distribution systems. The BY1-D series provides fast surge response, visual status indication, flame-retardant housing, and easy installation on a standard 35mm DIN Rail. It is suitable for distribution boards, electrical panels, industrial control systems, and sensitive electrical equipment. ANDELI SPD models are available in multiple pole configurations and surge ratings.
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