3P Power surge protector for house 20KA~40KA SPD
1: 3P power surge protector for house is suitable for AC 50/60HZ TT, TN-S, TN-C, IT, TN-C-S and other power systems.
2: 3P power surge protector for house suitable for system power protection, such as power distribution cabinets, switch cabinets, switch cabinets, AC power distribution boards, etc.
3: TOWSP SPD protects against direct and indirect lightning shocks and other transient overvoltages.
4: The outdoor input distribution box of the building and each floor.