Din rail Power Supplier
- Ultra slim design，modular, easy to install, and space-efficient.
- Universal Input 85-264 VAC(277VAC operational)
- DC output voltage adjustable
- Short circuit/Overload/Over voltage protections
- Certified with UL/CB/CE/ERP/RoHS/REACH/GS/SAA
- Fast delivery time, 5-7 days for sample orders
- Professional ODM/OEM capabilities
Power Supply Supplier & Manufacturer
Relipower is a professional power supply manufacturer in China since 1995. We specialize in wholesale production for global brands and distributors. Our product range includes toriodal transformer, din-rail power supply, led driver, power module and universal power supply. All products are certified by UL/CE/UKCA/ROHS/GS standards, OEM/ODM available.
We integrate design, R&D, production and global sales in-house. Serving customers in 50+ countries, we deliver quality power supply solutions for industrial equipment, medical equipment, led lighting, telecom projects and commercial spaces. Our commitment: reliable manufacturing and on-time delivery.
What is a
DIN rail power supply?
DIN rail style PSU convert alternating current (AC) or direct current (DC) input into a stable output voltage to power up a wide range of devices or systems within industrial and automation environments. But that’s not what makes them unique.
These power supplies are designed to fit on the standard TS-35, TS-7.5 or TS-15 mounting rail (known as a DIN rail) which is commonly used in control panels, distribution boards, and industrial enclosures.
they’re a low profile power supply that works exceptionally well in installations where space is a precious commodity. They support effortless organization and easy integration with other system components like relays, circuit breakers, and terminal blocks.
They are also known for durability and flexibility thanks to features such as wide input AC and DC voltage ranges, protection mechanisms (overload, short circuit, overvoltage), and often fanless cooling to reduce maintenance requirements.
Why Choose DIN rail power supply?
Universal DC Input Voltage
Universal 85 – 264V AC or 120- 370V DC Input Voltage, Accepts AC or DC Input (Dual-Use of Same Terminal), enables the power supply to be used with both AC and DC sources, making it more versatile in various applications. This function also protects against potential damage caused by voltage fluctuations and ensures a reliable power source.
Versatile voltage and current
DIN rail Power Supply offers a versatile voltage and current allows for multiple applications, such as powering various industrial devices or equipment. This feature makes it an ideal choice for any type of project requiring reliable and efficient power.
Output Voltage Adjustable
DIN rail power supply is designed to offer maximum control over electrical performance, with an adjustable range of output voltage,perfect for meeting your exact needs. With an efficiency rating of 88% at 230V AC type, you can also be assured of excellent energy performance.
Comprehensive Protections
The AC/DC DIN rail Power Supply offers a wide range of protections for ultimate safety, including short circuit, over-current, over-voltage, and over-temperature protection, ensuring reliable and secure power for any industrial application.
Reliable&Cost Effective
The Din rail power supply features a high quality engineering Aluminum housing with flame retardant, heat resistant, and long service life properties. It offers strong anti-interference ability, stable performance, low power consumption, and an operating temperature range of -20°C to +70°C, providing reliable operation and protection against external environmental extremes.
Support Din Rail Mount Installation
The DIN rail power supply is easy to install and convenient to use, user operation is quick, save a lot of time for users.
DIN rail Power Supply Applications
DIN rail power supply deliver efficient, reliable power conversion across industries where performance and space matter. Their compact design and low EMI make them ideal for demanding OEM applications.
Industrial Automation
Programmable logic controllers (PLCs), sensors, and motors all need a steady and reliable power source. Precise voltage regulation is of the utmost importance, as downtime in production lines or manufacturing processes can be costly.
This is where DIN rail power supplies come in, offering the dependable functionality needed to keep business running smoothly and maximizing productivity. Features like surge protection further enhance stability.
Building Automation
Building automation systems range from lighting controls to HVAC systems to security systems. All of these share the common requirement of efficient, low-maintenance power solutions to handle varying electrical loads while keeping energy consumption low.
DIN rail power supplies provide steady performance across these devices and systems, operating within a wide range of temperatures and conditions to keep alarms, surveillance systems, and environmental controls dialed in without failure.
Factory Automation
Our world is placing an increased emphasis on streamlining production, getting more done in less time. DIN rail power supplies play an integral role as a reliable robotics power supply, maintaining the continuous operation of robotic systems, assembly lines, and conveyor belts.
They’re used to power sensors, actuators, and controllers that automate processes on the production floor. Their high power density and slim form factors align perfectly with the crowded control panels they get placed in, keeping machinery and equipment functioning as intended.
Industrial Control Systems
Industrial control systems, such as distributed control systems (DCS) and supervisory control and data acquisition (SCADA) systems, demand dependable power for safety, control, and monitoring in industrial environments.
DIN rail power supplies are the go-to choice for sectors such as oil and gas, chemical processing, and energy production. This is because their built-in protections against overvoltage and overcurrent enhance operational safety while preventing damage to sensitive control components.
Semiconductor Fabrication
Clean, stable power is a must for the semiconductor manufacturing industry. This is a high-stakes process where precision is of the utmost importance, which is why DIN rail PSUs are the gold standard.
They power equipment like wafer processing machines and lithography tools, where even minor voltage fluctuations could lead to costly defects. Their precise voltage output, low ripple, and noise-free operation support even the most stringent semiconductor manufacturing processes.
Telecommunications and IT Infrastructure
Uninterrupted power is essential for keeping servers, routers, and communication systems live – and in turn, keeping our world connected. So, what are DIN-rail power supplies used for in this application?
They provide power to network equipment in data centers, base stations, and communication hubs. The design aligns perfectly with the continuous power demands of IT infrastructure, while features like active PFC help reduce energy consumption and heat generation for a longer lifespan.
7.Renewable Energy Systems
Choosing tips for DIN rail power supply by types
If your application needs unparalleled reliability in a compact design, chances are, you can rely on DIN rail power supplies. But, not all units are created equal, from variances in power supply voltage to power supply specs, safeties, and more
So, what power supply do you need? We’ll help you pick the optimal DIN rail power supply below, but remember – personalized assistance is just a click or call away at Relipower.
Din-rail power supply Series
Din-rail power supplies are the industrial standard for control panel and automation applications, combining compact design with reliable performance. Our YSDS series delivers stable DC output from AC or DC input, designed specifically for space-constrained installations.
These low-profile units mount directly onto standard TS-35 DIN rails, commonly found in control cabinets, distribution boards, and industrial enclosures. Their slim design maximizes cabinet space while simplifying integration with PLCs, relays, circuit breakers, and terminal blocks.
Our Din-rail series features wide input voltage ranges (100-240VAC universal input), comprehensive protection (overload, short circuit, overvoltage), and fanless cooling for maintenance-free operation. Available in 12W to 150W models with 5V, 12V, 15V, and 24V outputs—all UL, CE, and UKCA certified for global compliance.
Browse our complete product specifications below to find the exact model for your application.
YSDS SERIES 12-150W
| Photo/Size :LxWxH | Model | I/V | O/V | O/C | Power (max) | MOQ | Safety | Certificate |
|---|---|---|---|---|---|---|---|---|
| 90x18x58mm | YSD15S-0502400 | 100-240VAC | 5V | 2.4A | 12W | 500 | UL/BS/EN62368-1 | UL,CE,UKCA |
| 90x18x58mm | YSD15S-1201250 | 100-240VAC | 12V | 1.25A | 15W | 500 | UL/BS/EN62368-1 | UL,CE,UKCA |
| 90x18x58mm | YSD15S-1501000 | 100-240VAC | 15V | 1A | 15W | 500 | UL/BS/EN62368-1 | UL,CE,UKCA |
| 90x18x58mm | YSD15S-2400630 | 100-240VAC | 24V | 0.63A | 15W | 500 | UL/BS/EN62368-1 | UL,CE,UKCA |
| 90x18x58mm | YSD15S-4800310 | 100-240VAC | 48V | 0.31A | 15W | 500 | UL/BS/EN62368-1 | UL,CE,UKCA |
| 90x35x58mm | YSD30S-0503000 | 100-240VAC | 5V | 3A | 15W | 500 | UL/BS/EN62368-1 | UL,CE,UKCA |
| 90x35x58mm | YSD30S-1202000 | 100-240VAC | 12V | 2A | 24W | 500 | UL/BS/EN62368-1 | UL,CE,UKCA |
| 90x35x58mm | YSD30S-1502000 | 100-240VAC | 15V | 2A | 30W | 500 | UL/BS/EN62368-1 | UL,CE,UKCA |
| 90x35x58mm | YSD30S-2401250 | 100-240VAC | 24V | 1.25A | 30W | 500 | UL/BS/EN62368-1 | UL,CE,UKCA |
| 90x35x58mm | YSD30S-4800630 | 100-240VAC | 48V | 0.63A | 30W | 500 | UL/BS/EN62368-1 | UL,CE,UKCA |
| 90x52.5x58mm | YSD60S-0504500 | 100-240VAC | 5V | 4.5A | 22.5W | 500 | UL/BS/EN62368-1 | UL,CE,UKCA |
| 90x52.5x59mm | YSD60S-1204500 | 100-240VAC | 12V | 4.5A | 54W | 500 | UL/BS/EN62368-1 | UL,CE,UKCA |
| 90x52.5x60mm | YSD60S-1504000 | 100-240VAC | 15V | 4A | 60W | 500 | UL/BS/EN62368-1 | UL,CE,UKCA |
| 90x52.5x61mm | YSD60S-2402500 | 100-240VAC | 24V | 2.5A | 60W | 500 | UL/BS/EN62368-1 | UL,CE,UKCA |
| 90x52.5x62mm | YSD60S-4801250 | 100-240VAC | 48V | 1.25A | 60W | 500 | UL/BS/EN62368-1 | UL,CE,UKCA |
| 90x70x58mm | YSD100S-1207100 | 100-240VAC | 12V | 7.1A | 85.2W(LPS) | 500 | UL/BS/EN62368-1 | UL,CE,UKCA |
| 90x70x58mm | YSD100S-1506130 | 100-240VAC | 15V | 6.13A | 92W(LPS) | 500 | UL/BS/EN62368-1 | UL,CE,UKCA |
| 90x70x58mm | YSD100S-1506500 | 100-240VAC | 15V | 6.5A | 97.5W | 500 | UL/BS/EN62368-1 | UL,CE,UKCA |
| 90x70x58mm | YSD100S-2403830 | 100-240VAC | 24V | 3.83A | 92W(LPS) | 500 | UL/BS/EN62368-1 | UL,CE,UKCA |
| 90x70x58mm | YSD100S-2404170 | 100-240VAC | 24V | 4.17A | 100W | 500 | BS/EN62368-1 | CE,UKCA |
| 90x70x58mm | YSD100S-4801920 | 100-240VAC | 48V | 1.92A | 92.2W(LPS) | 500 | UL/BS/EN62368-1 | UL,CE,UKCA |
| 90x70x58mm | YSD100S-4802080 | 100-240VAC | 48V | 2.08A | 100W | 500 | BS/EN62368-1 | CE,UKCA |
| 90x105x58mm | YSD150S-12011300 | 200-240VAC | 12V | 11.3A | 135.6W | 500 | BS/EN62368-1 | CE,UKCA |
| 90x105x58mm | YSD150S-12011300 | 100-120VAC | 12V | 10.2A | 122.4W | 500 | BS/EN62368-1 | CE,UKCA |
| 90x105x58mm | YSD150S-15009500 | 200-240VAC | 15V | 9.5A | 142.5W | 500 | BS/EN62368-1 | CE,UKCA |
| 90x105x58mm | YSD150S-15009500 | 100-120VAC | 15V | 8.55A | 128.3W | 500 | BS/EN62368-1 | CE,UKCA |
| 90x105x58mm | YSD150S-24006250 | 200-240VAC | 24V | 6.25A | 150W | 500 | BS/EN62368-1 | CE,UKCA |
| 90x105x58mm | YSD150S-24006250 | 100-120VAC | 24V | 5.31A | 127.4W | 500 | BS/EN62368-1 | CE,UKCA |
| 90x105x58mm | YSD150S-48003200 | 200-240VAC | 48V | 3.12A | 150W | 500 | BS/EN62368-1 | CE,UKCA |
| 90x105x58mm | YSD150S-48003200 | 100-120VAC | 48V | 2.72A | 130.6W | 500 | BS/EN62368-1 | CE,UKCA |
Product Video
How to manufacture DIN-rail power supply?
Our manufacturing of DIN rail power supplies is a precise and rigorous process. From reliability and safety considerations at the design stage to strict control over welding, assembly, and testing during production, every step is designed to ensure this industrial “heart” can operate reliably, stably, and safely over the long term in a wide range of demanding environments.
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How to install toriodal transformer ？
Uninterrupted power is essential for keeping servers, routers, and communication systems live – and in turn, keeping our world connected. So, what are DIN-rail power supplies used for in this application?
Turn off the main power supply
First things first – turn off the main power supply. Anything over 90V AC can cause serious bodily harm or death. Once that’s out of the way and you’ve taken any other necessary safety precautions, it’s time to get started.
Remove all connections
If you’re removing an old unit (in the case of replacement), you should first remove all connections. You can use a screwdriver to apply pressure in the slot at the bottom of the unit’s clip. Putting downward pressure should pop that connection free and release the unit.
Ensure breathing room
If there are other power supplies on the DIN rail, make sure you mount the new one in a space that allows for plenty of breathing room on all sides. This prevents overheating, allowing for the greatest efficiency and longest lifespan.
Installation the DIN rail
Getting your unit on the DIN rail is easy – the two should just click together. Hold the power supply at an angle, anchoring one side of the connection around the rail. Then, rotate the other end down to snap the other connection in place. If you hear the click, you know you’re good to go. It’s that easy!
Make connection about the cable
At this point, it’s time to start making your connections. Start with the load, followed by the AC supply, followed by the protective earth connection. It’s important to make sure all wires are secured in the terminal block. This prevents short circuits, not only protecting your equipment but also protecting you. For additional safety, input cables must be properly fused. Finally, a manually controlled disconnect switch should be used.
Disconnect the power
If necessary, there is a DC voltage adjustment on the front panel of many units. This helps you optimize your output. Just be sure to disconnect the power before making adjustments – as this keeps you safe while protecting equipment, too.
Ensure ground connection
Always install and operate your system with a proper ground connection. This will keep you in compliance with EMC and safety standards while helping you get the most out of your unit. A three-prong outlet is required for proper grounding.
Turn the main power back on
Once everything is connected, you can go ahead and turn the main power back on.
Need professional support?
Relipower provides installation guides, video tutorials, and customer service for OEM and bulk orders.
Our team helps distributors and contractors integrate power supply safely and efficiently.
Solution 1
Marine Power Systems
Description:
Modern ships rely on electric propulsion powered by gas turbines or diesel generators. From cargo vessels to cruise ships, propulsion systems demand reliable, isolated power delivery for navigation, maneuvering, and station-keeping operations.
Without isolation transformers, ship electrical systems connect directly to shore power grounding—creating dangerous fault current paths through the hull into the water. This poses serious safety risks for dockworkers and maintenance crews.
Isolation transformers break this direct ground connection. Power transfers through the transformer’s magnetic field, not a physical conductor. Shore power grounding connects only to the transformer shield, establishing a separate ground reference for the vessel. Fault currents cannot flow between shore and ship grounds.
Additional benefits include polarization protection. If shore power polarity reverses, isolation transformers prevent power switches from energizing grounded enclosures—avoiding equipment damage and electrical hazards. The magnetic core also shields against galvanic corrosion, protecting expensive zinc anodes and underwater metal components from premature erosion.
Every shore power distribution cabinet in marine applications requires an isolation transformer for safety and equipment protection.
Solution 2
UPS System
Description:
In power transformer based UPS system, the transformer works to step up the voltage at the inverter output, bringing it to a level that is compatible to generator supply voltage or the utility. However, the power transformer is not exactly used to provide galvanic isolation. In case a total galvanic isolation is needed, in an isolation transformer UPS or a transformer-less UPS, an additional transformer is required in the circuit. This also helps prevent a net DC output component.
Transformers excel at identifying patterns and detecting anomalies in data. During real-time operation, the transformer can compare incoming power measurements with its learned knowledge and identify any deviations or anomalies that may indicate a fault or impending failure. This early detection can help in preventive maintenance and reduce downtime.
Electrical transformers can be used to optimize the control strategies of UPS systems. By taking inputs such as load demand, battery status, and environmental conditions, a transformer-based control system can make intelligent decisions on how to allocate power resources efficiently. This includes dynamically adjusting battery charging/discharging rates, optimizing energy usage, and ensuring a smooth transition between different power sources.
Custom
DIN rail power supply
Innovations in DIN Rail Power Supply Design
Customization
for Voltage and Current
Customization
for Medical technology
Model No.
Tailor the specific size to fit your system, power rating, or special manufacturing requirement.
Phase
Choose suitable power supply requirement,equipment princeples,cost and efficiency.
Power
Select from 50 VA to 5000 VA (customized)
Primary Voltage
Available for voltage applied to the input winding (i.e., the primary winding 0 to 690V (customized)).
Secondary Voltage
The voltage induced in the output winding (i.e., the secondary winding 0V to 690V (customized))
Secondary Current
The current flowing from the output terminals of electrical equipment (especially transformer-type equipment) to the load.（i.e.3A to 200A)
No.of Inputs
1 input,Custom mounting and special enclosure requirements
Frequency
50Hz / 60Hz
Leakage current
Maximum enclosure leakage current.
Cable Specification
Special copper wire terminations/harness requirements.
Logo
Brand the unit with your company mark or custom panel for OEM/wholesale projects.
Why Wholesale power supply
in Bulk from us?
Relipower specializes in manufacturing and customizing high-quality power supply，inserts for global B2B clients. Our goal is simple — deliver products that combine reliable performance, modern aesthetics, and factory-direct pricing, helping your business scale with confidence.
Professional Manufacturing
With over 30 years of experience in power supply production, Relipower manages every step in-house — from Injection Molding and PCB processing to final assembly and testing. Each unit follows strict quality standards and international safety certifications for consistent performance.
OEM & ODM Customization
We provide full customization for logo, packaging, dimensions, voltage, and energy efficiency. Whether you’re a retailer, brand owner, or project contractor, our engineers help tailor designs that fit your exact market needs.
High-Flux Magnetic Core
Our high flux toroidal core combined with a unique edge chamfer design in China, providing you with excellent performance and efficiency. This iron core gives it excellent magnetic permeability, which can effectively conduct magnetic flux and reduce energy loss
Energy Efficiency & Safety
Every model is tested under full load to ensure stability, low power consumption, and safe operation. All units include built-in overheat protection, grounding, and temperature control systems.
Global Supply Capability
Relipower supports large-scale production and flexible order volumes with reliable export logistics to North America, Europe, and other major markets. We guarantee stable lead times and secure packaging for international shipping.
Marketing & Technical Support
Beyond manufacturing, our team provides product training, catalog materials, installation guidance, and marketing visuals to help distributors and partners succeed in local markets. We grow with your business, offering continuous after-sales and customization support.
Quality Control &
Testing Process
Every power supply is built under strict quality control standards.
We test every detail — from iron core and copper wire to poyester film and standard lead — to ensure reliability in long-term use. We deliver power supply that perform safely, look beautiful, and last for years.
Electrical & Safety Tests
All power supply go through high-voltage and grounding tests, power stability checks to guarantee safe daily use.
Material Inspection
Each batch of materials and electrical components is tested for strength, flatness, and insulation before entering production. Only qualified parts move forward.
Assembly Check
During production, our technicians inspect dimensions, wiring, and PCB modules in real time. Each unit must match design drawings with zero tolerance for defects.
Performance & Visual Check
We test every unit to confirm coils are uniform and winding, full-scale testing, and flawless glass surfaces — ensuring each product looks and performs perfectly.
Aging & Reliability Test
Finished units run continuously for 48 hours under load. This test ensures long-term durability and stable performance in all environments.
Final Inspection
Before packing, all models are checked against international standards and only qualified products are allowed to be packaged.
Our Certification
We always strive to provide our customers with the best possible customer experience when working with us. In addition to our excellent customer service, we want our customers to be confident that their toriodal transformer, Din rail power supply, Led driver are safe and of the highest quality. To ensure the best performance, all our toroidal transformer, Din-rail power supply, Led driver have passed UL CE, RoHS certificates.
Let’s Collaborate:
Receive a Custom Quote for Your Wholesale Business Now.
We specialise in high-performance toriodal transformer for wholesale and custom applications. Trusted by hundreds of businesses worldwide – we’re ready to help you bring premium solutions to your customers.
sales@relipowertech.com/ jacky.huang@relipower.com
+86 15858425818
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Get the Latest Product Insights
Trusted by hundreds of businesses worldwide – we’re ready to help you bring premium solutions to your customers.
Toroidal transformer vs. conventional transformer
Frequently Asked Questions
Welcome to Relipower’s FAQ Center. Here you’ll find answers to the most common business, technical, pre-sales, after-sales, and maintenance questions about our power supply .
Business & Trade FAQs
Q1: What is your minimum order quantity (MOQ)?
Usually 50 units. Sample orders and smaller trial batches are also available.
Q2: Do you support OEM / ODM servic
Yes. We offer custom logo printing, packaging design, control system modification, and exterior design customization.
Q3: What is the lead time?
Standard models: around 20 days.
Customized models: 45–60 days depending on complexity.
Q4: What payment methods do you accept?
T/T, wire transfer, and L/C are all accepted.
Q5: Are taxes or VAT included in the quotation?
Prices are usually quoted EXW or FOB without VAT; can be adjusted based on destination.
Q6: Can I get a sample before bulk order?
Yes. Sample fees can be refunded or deducted from your first bulk order.
Q7: Do your power supply have certifications?
Yes,UL, CE, UKCA, GS and ROHS certified — suitable for US, EU, UK and the Middle East.
Q8: Do you work with distributors or agents?
Yes. We welcome long-term cooperation with regional distributors.
Technical FAQs
Q1: How to wire toroidal transformer?
Built-in, wall-mounted, and freestanding styles. range from toriodal transformer to Din-rail power supply.
Q2: Identify the primary and secondary windings?
A toroidal transformer typically has two sets of windings—the primary winding and the secondary winding. The primary winding is usually designated for the input voltage, while the secondary winding is for the output voltage.
Q3: What is the voltage and current requirements:?
Before wiring the transformer, ensure that you have the necessary information about the voltage and current requirements of your application. This includes knowing the primary and secondary voltages, as well as the maximum current that will flow through the windings.
Q4: How to connect the primary winding:?
The primary winding is usually denoted by a pair of leads or wires. Connect the input voltage source (such as the mains power supply) to these leads. Take note of any polarity markings o
Q5: What primary winding tapping options are available?
Some toroidal transformers may have multiple taps on the primary winding, allowing you to select different input voltages. If your transformer has this feature, choose the appropriate tap based on your input voltage requirements. Connect the input voltage source to the selected tap.
Q6: How to connect the the secondary winding?
The secondary winding is typically denoted by another set of leads or wires. Connect your load or the circuit that requires the desired output voltage to these leads. Make sure to observe the correct polarity if specified by the manufacturer.
Q7: What materials are used for the fireplace inserts?
Once the primary and secondary windings are connected, it’s important to insulate and secure the connections properly. Use appropriate insulation materials, such as heat-shrink tubing or electrical tape, to cover any exposed conductors. Additionally, ensure that the connections are mechanically secure and won’t come loose during operation.
Q8: Is the wiring available?
Before powering up the transformer, double-check all the connections to ensure they are correctly wired according to the specifications and requirements of your application. This step is crucial for safety and to prevent damage to the transformer or connected devices.
Pre-Sales FAQs
Q1: How do I choose the specification?
Check your input voltage and current.
Q2: Can I purchase only the accessories?
Yes. accessories are available for replacement or power projects.
Q3: What shipping options do you offer?
Sea freight, air freight, express, and DDP door-to-door service. If you have shipping agents to help with delivery, it would be more convenient to arrange.
Q4: Can you provide installation drawings or manuals?
Yes. CAD drawings and PDF installation guides are available.
Q5: Are these power supply suitable for commercial use?
Yes. Perfect for audio technology , medical technology, or industrial control systems.
After-Sales FAQs
Q1: What is your warranty policy?
Standard 1-year warranty; can be extended to 2 years by agreement.
Q2: What does the warranty cover?
Plastic Housing, PCB, IC, LED lighting, and other non-human faults.
Q3: What should I do if the product is damaged or missing parts?
Please report within 7 days of receipt with photos or videos; we will send replacements promptly.
Q4: Do you offer technical support?
Yes. Product lable and manual guidance are available.
Q5: Are spare parts available?
Yes. Common parts (plastic housing, PCB, IC, electronic components, etc.) are always in stock.
Usage & Maintenance FAQs
Q1: Why do toroidal transformers hum?
Toroidal transformers can sometimes produce a humming sound due to several factors