Acopian U28Y800 Unregulated Power Supply 28V 8A 0-125VAC Input 2.4V Ripple

Acopian U28Y800 Unregulated Power Supply 28V 8A 0-125VAC Input 2.4V Ripple

The Acopian U28Y800 is a single-output unregulated AC-to-DC power supply delivering 28 volts DC at up to 8 amps continuous output. It accepts a wide input range of 0–125VAC, making it flexible for various bench and industrial supply configurations. Unregulated designs like this provide a straightforward, transformer-rectifier-based DC output without active voltage regulation, resulting in a ripple voltage of 2.4V RMS that is typical for this class of supply.

Specifications & What's Included

• Model: Acopian U28Y800
• Type: Unregulated AC/DC Power Supply
• Output: 28V DC
• Output Current: 8A
• Output Configuration: Single Output
• Input Voltage: 0–125VAC
• Ripple Voltage: 2.4V RMS
• Fuse Rating: 3A (visible on front label)
• Enclosure: Tan painted steel chassis with vented mesh top panel
• Front panel: Red terminal binding posts for output connections
• Form Factor: Benchtop / chassis-mount box
• Unit only — no cables or mounting hardware included

Applications

Acopian has been a U.S.-based manufacturer of power supplies since the 1960s, and their unregulated AC/DC supplies are well regarded in industrial, laboratory, and electronics manufacturing settings. Unregulated supplies in the 24–28V range are commonly used to power relays, solenoids, motors, and other loads where tight voltage regulation is not required but a robust, reliable DC source is needed. The U28Y800's 28V output is a standard voltage for industrial control circuits, alarm systems, telecommunications equipment, and some military-derived electronics. These compact chassis-mount units are also frequently used as replacement or retrofit supplies in older equipment, test fixtures, and custom automation setups where the original regulated supply has been oversized or hard to source.