Gapless Lighting Arrestor For 25 Kv, 50 Htz Ac Electric Locomotive Spec. No. Elrs/Spec/ La/ 0005, July-1999 & Clw Spec. No. Clw/Es/ Sk-1/A-12 Alt. D As Above. [ Warranty Period: 30 Mont Hs After The Date Of Delivery ] ]