Your Professional Single Rail Power Supply Supplier
Topow Electronics is an innovation-driven and technology-powered enterprise specializing in power supply solutions. Our single output bare board power supplies are engineered to deliver uncompromising performance for applications requiring a dedicated power rail. By focusing all engineering expertise on a single channel, we provide a fundamental, robust, and highly reliable power foundation for a vast array of electronic devices and subsystems. This product line embodies the principle of simplicity-driven design, offering essential power conversion in its most efficient and cost-effective form.
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AC-DC Switching Power SupplyTopow AC-DC Switching Power Supply Model:TPT12S12A Universal 90-264V AC inputStable 12V/1A DC outputHigh efficiency (83%) with 0.1W standbyIdeal for industrial & consumer electronicsread more
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LED Driver Power BoardThe TPT150S54A is a premium-grade LED Driver Power Board designed for industrial lighting and telecom applications. This switching power supply delivers stable 54V/2.78A output with exceptional efficiency (≥90%) across a wide input voltageread more
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90W Single Output Open Frame Power SupplyThe 90W Single Output Open Frame Power Supply is a high-efficiency, industrial-grade power solution designed for demanding applications requiring reliable 54V/1.67A output. Engineered with advanced switching technology, this power supplyread more
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PCB Mount Power SupplyTopow Model:TPT18S12AThe PCB Mount Power Supply is a compact, 36W AC/DC power adapter. It converts 100-240V AC input to a stable 12V DC output. Designed for reliability, it meets international safety and EMC standards.read more
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12V3A Bare BoardTopow Model:TPT36S12AThe 12V3A Bare Board is an AC to DC power supply with 90~264V AC input, single +12V output, and a total output power of 36W. It is certified by CQC and TUV (CB) and complies with the EU RoHS directive.read more
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Medical Open-Frame Power SupplyThe TPT24S12A is a Medical Open-Frame Power Supply developed by Shenzhen Topow Electronics Co., Ltd. Designed for IT and AV equipment, it features a wide input voltage range (AC 90-264V) and stable DC 12V/2A output (24W single output).read more
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Regulated Switching Power ModuleThe Regulated Switching Power Module is a robust and versatile 72W AC/DC power supply ideal for powering industrial equipment, networking devices, and other electronics that demand a stable, efficient, and well-protected 12V power sourceread more
Why Choose Us
Quality Assurance
Topow's products undergo more than 10 rigorous testing procedures and are certified under ISO 9001 and ISO 14001 standards, ensuring superior reliability.
20+ Years of Experience
With over two decades of experience in power solutions, we have provided services to global companies and demonstrated proven expertise.
OEM/ODM Services
From initial design to mass production, we offer comprehensive, end-to-end solutions that are customized to meet your specific requirements.
Benefits of Single Rail Power Supply

Enhanced efficiency
Single rail power supplies offer significantly higher efficiency compared to traditional linear power supplies. By employing advanced switching techniques, these power supplies minimize energy loss during the conversion process. With higher efficiency, less energy is wasted as heat, resulting in reduced energy consumption and lower operating costs. This increased efficiency also allows for smaller power supply units, making them ideal for compact and space-constrained applications.

Cost reduction
One of the primary reasons why single rail power supplies are favored in the electrical industry is their ability to reduce costs over time. Their enhanced efficiency leads to lower energy consumption, resulting in reduced electricity bills. Additionally, their compact design saves space, enabling more efficient use of available resources. Furthermore, the longevity and durability of single rail power supplies reduce the need for frequent replacements, saving on maintenance and replacement costs.

Compact design
The compact size of single rail power supplies makes them an ideal choice for applications with limited space. Their smaller form factor allows for easy integration into space-constrained devices, reducing the overall size and weight of the equipment. This advantage is particularly valuable in portable devices, where size and weight are critical factors. The compact design of single rail power supplies enables manufacturers to create sleek and lightweight products without compromising on performance.
Application of Single Rail Power Supply

Industrial Automation
Provides dependable power for assembly lines and packaging machinery, ensuring high-speed operation and precision in pharmaceutical and food processing systems.
Medical Devices
Crucial for medical equipment such as MRI scanners, CT scanners, ventilators, and defibrillators, where precise and consistent power is essential for safe and reliable operation.


Semiconductor Manufacturing
Offers precise power control needed to prevent damage to sensitive equipment during the semiconductor production process.
R&D and Testing
Found in research, development, and manufacturing equipment for accurate and stable power delivery.


We will help you to choose the best shipping way according to your detail requirements. By sea, by air, or by express, etc.
The time frame of an order delivery is divided into two parts:
Processing time: 20-30 Days
Shipping methods: DDP, DAP, EXW, etc.
Shipping fee: The shipping fee will be changed according to every pacel's weight.
Certificate




FAQ
We're well-known as one of the leading single rail power supply manufacturers and suppliers in China. If you're going to wholesale customized single rail power supply made in China, welcome to get more information from our factory.
72W Single Output AC DC Power Board, Bare board power supply, open frame power supply-
AC-DC Switching Power SupplyTopow AC-DC Switching Power Supply Model:TPT12S12Aread more
Universal 90-264V AC input
Stable 12V/1A DC output High... -
AC Adapter 12v 1000maThe AC Adapter 12V 1000mA provides stable 12V/1A DC output with universal 100-240V AC input, making it suitable for...read more
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58V Battery ChargerThe 58V Battery Charger incorporates 4th-gen digitally controlled LLC resonant topology with precision current...read more
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12W AdapterThis compact 12W adapter provides reliable 12V/1A power in a flame-retardant casing, available in black or white....read more
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Detachable power adapterThe Topow TPA309 series is a highly versatile and safe 12W detachable power adapter designed for global use. Its...read more
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90W POE InjectorThis 90W PoE Injector is a Huawei-exclusive custom model, engineered to deliver robust and reliable performance for...read more
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60W POE SwitchThe 60W PoE Switch delivers 54V/1.1A output with a wide 90-264V AC input, designed for IEEE 802.3bt (and...read more
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POE Injector 30wThe POE Injector 30W is an IEEE 802.3bt compliant Power over Ethernet device designed for 30W high-power network...read more
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LiFePO4 Portable Power StationThe LiFePO4 Portable Power Station is a cutting-edge, high-efficiency energy storage solution engineered for...read more
