450-120 Transformer by Trott Electric TROTT ELECTRONICS INC. POTENTIAL TRANSFORMER TYPE 450 RATIO: 1:1 50-60 HZ 10 KV BIL 0.6 KV CL. CAT# 450-120 Reconditioned Inventory Code: A Make an Offer Send to a Friend Secondary Ratio: 1 Primary Ratio: 1 WHSE: T4E5 Return To Electrical Transformers