Features:
Thermal stability 100A without additional protection.
Patented fast tripping mechanism.
SEMKO approval.
Uc 150V / 275V / 320V / 385V / 440V can be achieved.
Protection class: Type 2 , Class II.
Pole number:1P,2P,3P,4P,1+1NPE,3+1NPE.
BR-40 1 pole surge arrester is suitable for TN-S system.