Pump Transformers October 17, 2019 by Pump Transformers: Item Description TRSF-110-24D-1A 110V Transformer, 24 VDC, 1.0 AMP TRSF-220-24D-1A 220V TRANSFORMER, 24 VDC, 1.0 AMP TRSF-110-36D-2A 110V Transformer, 36 VDC, 2.0 AMP TRSF-220-36D-2A 220V TRANSFORMER, 36 VDC, 2.0 AMP