Shunt Led- Position Signal Lighting Unit Shunt Signal As Per Rdso Spn 153/2011 S Upply Of Various Led Signals (Subsidiary Signal), 110V Ac Retrofittable In Existing Cls Housing And Compati Ble With Ac Led Ecr As Per Rdso Specn. No.Rdso/Spn/153/2023 (Rev.5) Or Latest. [ Warranty Period: 30 Months After The Date Of Delivery ] ]