APC 430-9001 (8) E.I.A. Class 130B LEI-4 280PB11 Transformer. Weighs 8 lbs 4oz. 4-1/4” x 3-1/2” x 3-3/4” There are no other makings or ratings printed on this transformer. This transformer has been boxed up and in storage since at least about 2002.

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