For sale is a Cutler Hammer (Eaton) Model PS256A-04B1, Series A1 Power Supply. 105 To 132 VAC Input at 47 to 63 Hz, 4 amps. 27 VDC Output at 100 watts. Comes in a heavy duty steel enclosure. NOTE: This Power Supply appears to be in very good condition. It is not an item I have the ability to test; however, I do guarantee that it will arrive at your door in good working condition.