China Switching Power Supply Manufacturers Suppliers Factory - Switching Power Supply Price

Your Professional Switching Power Supply Supplier

We are a manufacturer of solar inverters, energy storage systems, and EV charging solutions with fully integrated in-house production.

We offer a complete range of clean energy products, including solar inverters, energy storage systems, EV charging stations, and battery packs.

120W DIN Rail Power Supply 24V 5A
Model Series: CHR-120. Rated Power: 120W. Input Voltage: 110–240VAC. Output Voltage: 24V DC. Output Current: 2A. Cooling Method: Free air convection. Application: Industrial equipment, indoor use,
150W IP67 Waterproof LED Power Supply
Model Series: CHFS-150. Rated Power: 150W. Input Voltage: 90–240VAC. Output Voltage: 12V DC. Output Current: 10AEfficiency: 77%. Ingress Protection: IP67. Application: Outdoor use, LED lighting,
120W Waterproof Power Supply IP67 LED Driver 12V
Model Series: CHFS-120. Rated Power: 120W. Input Voltage: 90–240VAC. Output Voltage: 12V DC. Output Current: 10AEfficiency: 77%. Ingress Protection: IP67. Application: Outdoor use, LED lighting,
AC To DC 75W Switching Power Supply
Model Series: CHR-75. Rated Power: 75W. Input Voltage: 170–260VAC. Output Voltage: 24V DC. Output Current: 3.1A. Cooling Method: Free air convection. Application: Industrial equipment, indoor use,
75W 24V Railway-type Switching Power Supply
Model Series: CHR-75Rated Power: 75WInput Voltage: 170–260VACOutput Voltage: 24V DCOutput Current: 3.1AEfficiency: Natural convection coolingApplication: Industrial equipment, indoor use, rail
150w Switch Power Supply
Model Series: CHCB-150Rated Power: 150WInput Voltage: 100–120VAC / 200–240VAC (switchable)Output Voltage: 12V DCOutput Current: 12.5AEfficiency: 85%Application: Industrial equipment, indoor
75W Power Supply Switching
Model Series: CHSL-75Rated Power: 75WInput Voltage: AC 176–265V / DC 220–370VOutput Voltage: DC 12VOutput Current: 6.0AEfficiency: 85%Application: Industrial equipment, indoor useProtection: Multiple
Ultra-thin Type Switching Power Supply
Rated Power: 15W, 30W, 60W, 100W, 150WInput Voltage: 100 - 240VAC, universal inputInput Frequency: 47 - 63HzOutput DC Voltage: 5V, 12V, 24V, 48V (adjustable)Output Current Range: Varies by model, for
DIN RAIL Power Supply
Rated Power: 15W, 30W, 60W, 100W, 150WInput Voltage: 100 - 240VAC, universal inputInput Frequency: 47 - 63HzOutput DC Voltage: 5V, 12V, 24V, 48V (adjustable)Output Current Range: Varies by model, for
Battery Backup Power Supply
Model Series: CHCB-35 / 50 / 75 / 100 / 150 / 200 / 350Rated Power: 35W ~ 350WInput Voltage: 85~264VAC (35~100W)115/230VAC switchable (150~350W)Output Voltage: 5V / 12V / 15V / 24V / 36V /
Power Supply for Charging Stations
Model Series: CHCB-35 / 50 / 75 / 100 / 150 / 200 / 350Rated Power: 35W ~ 350WInput Voltage: 85~264VAC (35~100W)115/230VAC switchable (150~350W)Output Voltage: 5V / 12V / 15V / 24V / 36V /
High Efficiency AC To DC Converter Industrial Use
Model Series: CHNDR-75 / CHNDR-120 / CHNDR-240 / CHNDR-480Rated Power: 75W / 120W / 240W / 480WInput Voltage: 90~264VAC 127~370VDCInput surge current Maximum 35A @ 230VAC (cold start)Output

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Why Choose Us

Complete Product Qualifications

With certifications including ISO 9001, CE, RoHS, TUV, FCC, CCC, and KC, our products meet major international standards—helping you simplify compliance and enter your target markets with confidence.

100% Pre-Shipment Functional Testing

Each unit undergoes comprehensive functional testing prior to shipment—ensuring reliability, minimizing field failures, reducing warranty liabilities, and safeguarding brand integrity.

System-Level Engineering for Seamless Interoperability

Our solar generation, energy storage, and EV charging solutions are co-engineered as an integrated system—eliminating compatibility risks, mitigating technical integration challenges, and accelerating project commissioning timelines.

Parameter

Model Series	CHR-120
Rated Power	120W
Input Voltage	110–240VAC
Output Voltage	24V DC
Output Current	2A
Cooling Method	Free air convection
Application	Industrial equipment, indoor use, DIN rail installation
Protections	Short circuit, overload, over-voltage

Benefits of Switching Power Supply

75W 24V Railway-type Switching Power Supply

High Efficiency
SMPS significantly reduces energy waste because the regulating element (transistor) is either fully on or off, minimizing dissipation. Typical efficiency ranges from 80% to 95%, compared to 40–60% for linear power supplies. This leads to lower electricity costs, less heat generation, and improved system reliability. In large-scale applications like data centers and telecom networks, the energy savings are substantial, helping businesses reduce operating expenses.

Compact Size and Lightweight Design
Because SMPS operates at high frequencies (tens or hundreds of kHz), transformers and inductors are much smaller than those used in linear power supplies. This results in a compact and lightweight design, making SMPS easier to integrate into industrial automation, medical devices, and telecom equipment where space is limited.

Wide Input Voltage Range
Many SMPS models feature a universal input voltage range (e.g., 85–264V AC or wide DC input), allowing them to function globally without needing manual adjustments. This flexibility ensures stable power delivery even in areas with fluctuating grid power, making them ideal for industrial and telecom applications.

Enhanced Reliability and Protection
Industrial-grade SMPS units include built-in protections such as over-voltage, over-current, over-temperature, and short-circuit protection. These features safeguard both the power supply and connected devices from electrical failures, reducing the risk of downtime in critical applications like medical equipment and automation systems.

Better Thermal Performance and Lower Cooling Requirements
Thanks to their high efficiency, SMPS generates less heat, reducing the need for bulky heat sinks or active cooling systems. This leads to better thermal management in industrial control panels, data centers, and other temperature-sensitive environments.

Applications of Switching Power Supply

Consumer Electronics

Chargers for smartphones, laptops, gaming consoles.

Industrial Equipment

Motor drives, robotics, automated control systems.

Medical Devices

Precision power for MRI machines, diagnostic equipment.

Automotive & EV

Efficient battery charging, electric vehicle test equipment.

Aerospace & Defense

Lightweight, highly-efficient power solutions for avionics.

Choosing the Right Switching Power Supply

Electrical Requirements (Voltage, Current, and Power Rating)
Determine the required output voltage and current. The supply must provide enough power with a safety margin of 20–30% above the calculated load. For example, a 24V system drawing 8A (192W) should use a 250W SMPS to avoid overloading. Also, check the input voltage range (e.g., 100–240V AC for global use) and whether adjustable or multiple output voltages are needed.

Efficiency and Power Factor
For high-power or always-on applications, choose an SMPS with at least 85% efficiency to minimize heat and reduce energy costs. Many power supplies come with 80 PLUS certification (Bronze, Silver, Gold, Platinum, or Titanium) to indicate efficiency levels. Also, look for Power Factor Correction (PFC) to reduce reactive power draw and improve overall power usage efficiency.

Environmental Conditions
Industrial settings can be harsh, so ensure the SMPS is rated for your environment. Consider temperature range, cooling requirements, and enclosure protection (e.g., IP-rated for dust and moisture resistance). If installed in high-vibration environments, choose ruggedized designs to prevent failures.

Safety Certifications and Compliance
Always check for safety certifications like CE (for EU compliance), UL/cUL (for North America), and RoHS for hazardous substances compliance. Some applications, like medical or aerospace, require additional certifications (e.g., IEC 60601-1 for medical devices or DO-160 for avionics). Certified power supplies ensure reliability and legal compliance.

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FAQ

Q: Is SMPS the same as a switching-mode power supply?

A: Yes, “SMPS” is simply an acronym for Switching-Mode Power Supply.

Q: How do I identify a switching power supply?

A: They’re usually compact, lightweight, and operate silently without large heat sinks.

Q: What is a switching power supply?

A: A switching power supply, or SMPS, is an electronic power supply that incorporates a switching regulator to efficiently convert electrical power. It is used to provide a stable output voltage from a varying input voltage.

Q: Are switching power supplies safe to use?

A: Yes, switching power supplies are generally safe to use. They include various protection mechanisms such as over-voltage, over-current, and short-circuit protection to ensure safe operation.

As one of the leading switching power supply manufacturers and suppliers in China, our products have good reputation in the market. Please feel free to buy high quality switching power supply at competitive price from our factory. Customized orders are welcome.