Superior Electric Variable Autotrasnsformer, Type: VS3PN226, Input: 240V, 50/60 Freq., ~PH 1, Out: 0-280V, 7.5Amps, 2.1 KVA.
Superior Electric Variable Autotrasnsformer. Input: 120V, 50/60 Freq., Phase 1, Out: 0-140V, 25 Amps.