UNSPT3050 Standard Power Supply
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UNSPT3050 is a 50W standard switching power supply with compatible mounting. This model is a chassis-mounted (unit type) Products. It is compatible in mounting size with products on the market, making it an ideal model for replacing your current power supply. The output voltage is adjustable, and it is a standard power supply suitable for ITE (information technology equipment), consumer, and industrial equipment applications. Double-sided PCB coating is also available. Product series name:UNSPT3050 Standard Power Supply |
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Products details
| Size | L:132.0 W:50.0 H:27.0/mm |
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| AC Input Rating | 85V~265V |
| DC Output Rating |
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| Safety |
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| Examples of use by purpose | Introduction of Products by Application (PDF) |
If you are looking for products other than the above specifications, please contact our sales department.
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The UNOPT 50W Series is an open-frame power supply (board-mounted power supply) designed for installation inside industrial equipment. Based on a compact 2"x5.2" class board size, it is structured as a market-standard series that facilitates power supply selection in consideration of mounting conditions.
In addition to protection circuits (short circuit/overvoltage/overcurrent), specifications allow you to confirm power requirements that should be organized for mass production design, such as efficiency requirements (Energy Efficiency Level VI), emissions (FCC/EN(CISPR)/BS EN), and immunity (EN55035, EN61000-4-x).
| UNIFIVE is chosen because: As a power supply manufacturer with over 35 years of development experience, we provide consistent 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 up to large-scale production. We also support semi-custom solutions and assist with power supply selection from the specification review stage toward mass production adoption. |
Key Features
1) Compact 2"x5.2" standard series (chassis/cover options available)
In addition to the standard board, configurations with chassis and chassis + cover are available to meet mounting and protection requirements. This series is ideal for replacing existing market products.
2) Technical standards and protection circuits
Compliant with technical standard 62368-1 and 100V-240V standards (model-specific conditions must be confirmed). Equipped with short-circuit protection/overvoltage protection/overcurrent protection, with overtemperature protection available as an option.
3) Efficiency
Energy Efficiency Level VI (ErP/DoE) compliant. Representative model specification tables list efficiency (Typical), which varies depending on the model.
4) EMC (Emissions)
Emissions comply with FCC Part15-B/EN(CISPR)55032-B/BS EN 55032.
5) Immunity
EN55035/BS EN 55035 compliant, with immunity items including EN61000-4-2/-3/-4/-5/-6/-8/-11.
6) Specifications useful for organizing installation environment and operational requirements (PFC/altitude/voltage adjustment, etc.)
Includes PFC (power factor indicated), output voltage adjustment (variable range depends on model), SEMI F47 (notes on applicable input conditions), OVC III (2000m), operating altitude up to 5,000m, and a 5-year warranty.
Effective Use Cases
- When adopting a compact 2"x5.2" class board-mounted power supply for industrial equipment
- When selecting configurations such as chassis/cover options according to mounting and protection requirements
- When proceeding with power supply selection for mass production adoption under efficiency requirements (Energy Efficiency Level VI)
- When selecting a power supply in accordance with emission requirements (FCC/EN(CISPR)/BS EN) in EMC design
- When considering external disturbances such as ESD, EFT, and surge, and selecting based on immunity requirements (EN61000-4-x)
- When evaluating adoption feasibility in accordance with equipment operating conditions, including installation altitude and input conditions (such as SEMI F47)
Applications
Widely applicable as an internal power supply for industrial equipment.
- Industrial equipment
- Control equipment
- Information and communication equipment
- Peripheral devices, etc.
*The above are examples and do not limit the applications.
Standards and Compliance
| Item | Details |
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| Technical standards | Compliant with 62368-1 and 100V-240V standards (model-specific conditions must be confirmed) |
| Efficiency | Energy Efficiency Level VI (ErP/DoE)/Commission Regulation (EU) 2019/1782/DOE 10 CFR part 429 and 430 |
| EMC (Emissions) | FCC Part15-B/EN(CISPR)55032-B/BS EN 55032 |
| Immunity | EN55035/BS EN 55035, EN61000-4-2/-3/-4/-5/-6/-8/-11 |
| Protection circuits | Short-circuit protection/overvoltage protection/overcurrent protection/overtemperature protection (optional) |
| Operating environment | Input: AC100-240V (tolerance: AC85-265V), 50/60Hz (tolerance: 47-63Hz)/Operating temperature: -10 to 70°C, Storage temperature: -20 to 75°C/Operating and storage humidity: 20-90%RH (no condensation)/Operating altitude: up to 5,000m |
| Power factor (PFC) | Example for representative models: 0.97 at AC100V, 0.9 at AC230V |
| Others | Output voltage adjustable (range depends on model), SEMI F47 (notes on input conditions), OVC III (2000m), 5-year warranty |
| Reference: Dimensions and connectors | Dimensions: 132(L)x50(W)x27(H)mm/Input: JST B5P-VH equivalent (AC(L)/AC(N)/FG)/Output: JST B4P-VH equivalent (V-/V+) |
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.



