Datasheet download

Product features:

◆ Universal voltage: 85~265VAC/100~375VDC

◆ AC and DC dual-purpose (same terminal input voltage)

◆ High efficiency, high power density

◆ With output short circuit protection function

◆ Passed EN60950, UL60950 certification

◆ Available with PCB guide rail type and other installation methods

◆ Three-year warranty period

A Complete Guide to CHEWINS AC-DC power modules: Efficient and Stable Industrial Power Solutions

The technical features of CHEWINS AC-DC power supply products are mainly reflected in:Optimized circuit designEnsure high efficiency conversion;Strict component screeningEnsure product reliability;Complete production testingEnsure the quality of each factory product;Professional technical supportProvide customers with a full range of services.

　　CHEWINS AC-DC power supply Product Selection Guide

　　Product seriesPower rangeTechnical featuresTypical applications

　　CW-AD series10-600W efficiency up to 93%, operating temperature -40℃~+70℃, stable across the full load range industrial control equipment, mechanical equipment

　　CW-HD series15-320W compact design, high power density, excellent EMC performance communication equipment, network equipment

　　CW-MT series5-100W medical grade safety standards, low leakage current, high isolation voltage medical equipment, testing instruments

　　CW-LT series10-150W wide input voltage range, lightning protection design, high reliability power system, outdoor equipment

　　Analysis of common technical problems of CHEWINS power supply

　　Q1: What are the protective measures for CHEWINS power modules in harsh industrial environments?

In response to the special requirements of industrial environments, CHEWINS power supplies have:

　　Triple protection design: Anti-lightning strike, anti-surge, anti-static

　　Reinforced insulation design: Isolation voltage between input and output up to 4000VAC

　　Full packaging process: Moisture-proof, dust-proof, corrosion-proof

　　Wide temperature design: Adapt to working environment from -40℃ to +70℃

　　Q2: How to optimize the heat dissipation performance of CHEWINS power module?

Cooling optimization suggestions:

　　Installation distance: Keep at least 15mm spacing between modules

　　Cooling assistance: It is RECOMmended to install a radiator for high-power applications

　　air circulation: Make sure the installation location is well ventilated

　　Temperature monitoring:Real-time monitoring is recommended in high-temperature environments

　　Q3: What is the electromagnetic compatibility of CHEWINS power supply? What needs extra attention?

EMC design points:

　　Built-in filtering: Standard products have built-in complete EMI filters

　　external protection: Additional filtering can be added in complex electromagnetic environments

　　Wiring specifications: Input and output cables should be routed separately.

　　Grounding requirements: Ensure reliable grounding, ground resistance <0.1Ω

　　Q4: What are the protection functions of CHEWINS power module? How to use it correctly?

Detailed explanation of protection function:

　　Overcurrent protection: Automatic current limiting, self-recovery after troubleshooting

　　Overvoltage protection: Automatic protection when the output voltage exceeds the set value

　　Short circuit protection: Automatically enters protection state when short circuit persists

　　Overheating protection: Automatically shut down when the temperature exceeds the safe value

　　CHEWINS power system troubleshooting process

　　Phase One: Preliminary Inspection

　　Appearance inspection: Observe whether there is any abnormality in the appearance of the power supply.

　　Input detection: Measure whether the input voltage is normal

　　load check: Confirm whether the load is within the rated range

　　environmental assessment: Check the working environment temperature and humidity

　　Phase Two: Performance Testing

　　Output voltage: Measuring output voltage accuracy

　　ripple noise: Detect whether the output ripple complies with the standard

　　Launch features: Test the boot waveform

　　protection test: Verify various protection functions

　　The third stage: in-depth analysis

　　Temperature distribution: Analyzing temperature fields using thermal imaging cameras

　　Waveform analysis: Detect key test point waveforms

　　Parameter comparison: Comparing test data with normal module

　　load test: Tested under different load conditions

　　Phase 4: System Verification

　　Ground check: Measuring grounding system integrity

　　Wiring verification: Check the power wiring specifications

　　Compatibility testing: Verify system compatibility

　　Environmental testing: Simulate actual working environment

　　CHEWINS Power Application Best Practices

　　Design phase suggestions：

　　Power planning: Reserve 25-30% power margin

　　Protect design: Configure protection circuit according to application requirements

　　Thermal planning: Consider cooling solutions in advance

　　Layout optimization:Follow technical manual layout requirements

　　Key points for installation and debugging：

　　Installation method: Ensure installation is firm and reliable

　　Wiring specifications: Use appropriate wire diameter for reliable crimping

　　Debugging steps: Step by step debugging according to the standard process

　　Test verification: Carry out adequate aging tests

　　Operation and maintenance management specifications：

　　Regular inspection: Establish a quarterly inspection system

　　Parameter record: Record key operating parameters

　　preventive maintenance: Develop an annual maintenance plan

　　Failure analysis: Establish a complete fault analysis system

　　CHEWINS service and technical support

CHEWINS provides a full range of service support:

　　Technical support: Professional engineer team provides technical support

　　Sample request: Rapid sample request and evaluation service

　　Customized services: Provide customized solutions according to needs

　　training services: Regularly hold product application training

　　Conclusion

​CHEWINS AC-DC power module has become the preferred brand in the field of industrial power supply with its reliable quality, excellent performance and perfect service. Through correct product selection, standardized design and installation, and scientific maintenance management, users can give full play to the performance advantages of CHEWINS power products and provide stable and reliable power supply for various industrial applications.