PSU 1228 25-28 amp Power Supply

PSU 1228 25-28 amp Power Supply

  • £57.59
Tax included.


small, switched power supplies with up to 28.These power supplies offer in a small case everything the radio amateur needs. The power supplies are either switched to fixed 13.8V, or to a variable output voltage between 9 and 15V. The maximum current may be up to 28A (PSU-1228, 20A continous) This is sufficient for all 100W transceivers. The built-in fan is temperature controlled. With little load the fan does not run at all, the PSU-12xx is absolutely quiet. Only with a longer and higher load the fan starts to run to cool the internal electronics. In cases where interferences occur. The back-lit instrument shows (selectable) either Voltage or Current. All controls are conveniently located on the front, the 230VAC and DC connectors are on the rear. The PSU-1228 has the same front panel size and layout as the well known SX- series SWR/power meters and so fits perfectly into the ham shack. Technical data switching power supply PSU-1228:Input voltage: 180 to 240 VACOutput voltage: 13.8V fixed or 9 to 15 V regulated ToleranceOutput voltage: Protections: Short circuit protection, limited to 28 A Output current: 28 A max, duration 20 A. Ripple:Fuse (primary side): 5 ADimensions (excluding protrusions):155 x 70 x 205 mm (W x H x D)Weight: approx 1.5 kg