UxOAT3300 Standard Power Supply

This is a high-efficiency, large-capacity 300W open-frame board-type/general-purpose switching power supply. It complies with various technical standards and safety regulations such as PSE, medical standards, and IEC61000-3-2, and is equipped with various protection functions, making it suitable for mechatronicsProducts and various industrial equipmentProducts. In addition, based on standard models, we can propose custom and semi-custom power supplies that precisely meet customer requirements.

ProductsSeries Name:UxOAT3300 Standard Power Supply

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UxOAT3300 Standard Power Supply

ProductsDetails

Size L:127.0 W:76.2 H:36.6/mm
AC Input Rating (AC Input Rating) 90V~264V
DC Output Rating (DC Output Rating)
  • 12.0V/12.5A(20.83A)
  • 24.0V/7.5A(12.5A)
  • 48.0V/4.16A(6.25A)
  • 54.0V/3.7A(5.56A)
Safety
Notes " ( ) " The condition for forced air cooling is 20.5 CFM or more.
Use Case Examples Introduction of Products by Application (PDF)

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UxOAT 300W Series (UxOAT3300) is an embedded AC-DC switching power supply (open-frame/PCB power supply) designed for industrial equipment. With a compact 3"×5" board size, the series is structured to facilitate power supply selection and evaluation assuming installation inside equipment enclosures.

Key mass-production design requirements such as efficiency (up to 92%), PFC (power factor), emission/immunity, and protection circuits (short circuit/overvoltage/overcurrent/Brown In/Brown Out) are well organized, making it useful for confirming adoption requirements (safety standards vary depending on the model category).

UNIFIVE is chosen because:
As a power supply manufacturer with over 35 years of development experience, we provide comprehensive support from specification review for mass production adoption to certification acquisition, mass production launch, and post-production follow-up. Based on standard products, we offer flexible supply according to production volume, from small-lot prototyping and evaluation to small- and medium-scale production, and large-scale mass production. We also support semi-custom solutions and assist with power supply selection from the specification planning stage toward mass production adoption.

Key Features

1) 300W class × Compact 3"×5" embedded power supply

A standard embedded power supply for industrial equipment with a 3"×5" PCB size compact design. Structured to facilitate requirement organization and evaluation based on enclosure installation conditions. Ideal for replacement from existing models.

2) Technical standards and protection circuits

Safety standards differ depending on the model category (M/H/N) (please contact our sales office for details of each model’s safety standards). Equipped with short circuit protection/overvoltage protection/overcurrent protection/Brown In/Brown Out protection.

3) Efficiency and PFC (power factor)

Efficiency is up to 92%. Power factor (PFC) specifications are also provided to assist with input-side requirement planning (ACIN100V: 0.95, ACIN230V: 0.9).

4) EMC (Emission)

Compliant with FCC (Part15-B/Part18-B), CE (EN(CISPR)55032-B/55011-B/55014-B), and BS EN (55032/55011/55014-1) (conditions apply when an AC inlet filter is installed in the user’s metal enclosure).

5) Immunity

Based on requirements such as EN55035/BS EN 55035, EN60601-1-2/BS EN60601-1-2, and EN55014-2/BS EN55014-2, the product supports immunity items EN61000-4-2/-3/-4/-5/-6/-8/-11.

6) Forced air cooling (>20.5CFM)/Natural convection derating information

Derating curves assuming natural convection (Free Convection) and forced air cooling (>20.5CFM) are provided for thermal design and installation condition review inside enclosures.


Effective Use Cases


Applications

Widely applicable as an embedded power supply for industrial equipment/medical devices/home appliances/I.C.T./AV equipment and more.

*The above are examples and do not limit applications.


Standards and Compliance

ItemDetails
Technical standardsModel category: M (60601-1)/H (61558-1/60335-1)/N (62368-1/60065-1/60950-1) *Varies by model
EfficiencyUp to 92%
PFC (Power Factor)ACIN100V: 0.95, ACIN230V: 0.9
EMC (Emission)FCC Part15-B/FCC Part18-B/EN(CISPR)55032-B/EN(CISPR)55011-B/EN(CISPR)55014-B/BS EN 55032/BS EN55011/BS EN55014-1 (conditions apply)
ImmunityEN55035/BS EN 55035/EN60601-1-2/BS EN60601-1-2/EN55014-2/BS EN55014-2, EN61000-4-2/-3/-4/-5/-6/-8/-11
Protection circuitsShort circuit protection/Overvoltage protection/Overcurrent protection/Brown In/Brown Out protection
Operating environmentInput: AC100-240V (range: AC90-264V), 50/60Hz (range: 47-63Hz)/Operating temperature: -10 to 70°C (see derating)/Storage temperature: -20 to 85°C (natural convection, above sea level)/Operating and storage humidity: 5-95%RH (no condensation)
Reference: Representative models12.0V 12.5A (20.83A with forced air)/24.0V 7.5A (12.5A)/48.0V 4.16A (6.25A)/54.0V 3.7A (5.56A), Output accuracy ±4%, Ripple 120-480mV, Noise 240-480mV
Reference: Dimensions and connectorsDimensions 127.0×76.2mm, Max height 32.0mm (MAX), Mounting holes 4-φ3.80mm/Input CON1: JST B3P-VH equivalent (AC(L)/AC(N))/Output CON101: PCB-10 equivalent (+Vout)/Output CON102: PCB-10 equivalent (GND)
OthersSEMI F47 (effective above 200V input), OVC III (2000m), Operating altitude up to 5,000m, Consideration for dust environments, 5-year warranty, RoHS 2 compliant

Semi-Custom Support

Please feel free to contact us for specification confirmation, quotations, or sample requests. Examples of semi-custom support can be found on the Customization Case Studies page.

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