Surge Protective Device(SPD)

Surge Protective Device in LYD1/LYD2/LYD3 series is used on AC 50/60Hz and 380V power supply system.

Such as TN-S, TN-C-S, TT, IT, etc. The products function as equipotential connection in case of lightning strike at the joint of LPZ1, LPZ2 and LPZ3. The products comply with IEC61643-1, GB18802.1. The housing is fixed on 35mm electrical guide, and with failure release device inside. As long as SPD become invalid after the breakdown caused by over-heat and overload current, the failure release device will be disengaged from power system automatically with the warning indicator turning from Green (normal) to Red (failure).

SPD is usually installed in household power distribution boards, telecom machinery center, computer equipment center, elevator control center, hospital's surgery and ICU, information equipment, electronic equipment and in front of control equipment or nearest socket box of control equipment.

Features:

1. it is modularization design and can be replaced without cutting off power.

2. maximum current endurance by lightning stroke is 65KA (8/20μs).

3. response time less than 25ns.

4.with warning indicator: Green (normal); Red (failure).

5. high-tech, powerful energy, gap discharge pole (N-PE).

Surge Protective Device(SPD)