191-301 Transformer by Flex-Core FLEX-CORE CURRENT TRANSFORMER RATIO: 300:5 A RF. 1.5 ACC CLASS 0.3 B0.9 C20 50-400 HZ 600 VAC INS. CLASS 10KV BIL CAT# 191-301 New Surplus Inventory Code: C Make an Offer Send to a Friend Return To Electrical Transformers