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The Qualtek QPSF-125-28 is a 125-watt, single-output AC/DC converter designed for ITE (Commercial) applications. It operates with a universal input voltage range of 90-264VAC and features a built-in active PFC function, achieving a power factor greater than 0.98 at 115VAC.
This open-frame converter delivers a nominal 28VDC output at a rated current of 4.5A. It offers a wide operating ambient temperature range from -20°C to 60°C and includes essential protections such as Over Load (OLP), Over Voltage (OVP), and Short Circuit (SCP). The unit is chassis mountable and utilizes a barrier terminal block for connections.
Key electrical specifications include a typical efficiency of 87% at 230VAC, line regulation of ±0.5%, and load regulation of ±2.0%. It also features adjustable output voltage within ±2.0% and a hold-up time of at least 17ms at full load. The dimensions are 127.0mm x 76.0mm x 30.5mm, with cooling by free air convection.
The output voltage is 28VDC.
The rated current is 4.5A.
The input voltage range is 90-264VAC.
The typical efficiency is 87% at 230VAC input.
The dimensions are 127.0mm x 76.0mm x 30.5mm.
The operating ambient temperature range is -20°C to 60°C.
Yes, it has Over Load Protection rated at 105%-150% of rated output current, in hiccup mode with auto recovery.