DAI1 1A-10A 220V IEC Filter
Model No: DAI1

DAI1 1A–10A 220V IEC Mains EMI Filter | Power Line Noise Suppression Solution

IEC Inlet Filter

Single Phase

Rated Current：1A-10A

Excellent performance/size ratio

Certificate：cUL,CE,ROHS

Can be customize according to customer requirements.

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The DAI1 IEC Mains EMI Filter is a high-performance 1A–10A IEC socket EMI filter designed to suppress conducted electromagnetic interference (EMI) and ensure stable power input for electronic devices. With excellent performance-to-size ratio and international safety certifications, it is ideal for industrial machines, automation equipment, consumer appliances and medical devices.

Key Features

  • Rated current up to 10A
  • The front-end plug-in and output terminals can be quick-connect terminals or solder lugs
  • Optional low leakage current version
  • Optional medical version
  • Customized versions of appearance and parameters can be provided on demand
  • Comply with cUL, CE, ROHS, CQC related safety certifications

Technical Specifications

 
Specification
Details
Model：
DAI1
Application：
Commercial/Industrial/Consumer Appliances
Phase：
Single-phase
Structure：
Single-stage
Max operating voltage：
275VAC
Rated Current：
1A - 10A
Leakage Current：
≤ 0.5mA
Withstand voltage level：
1750VAC
Frequency Range：
50/60Hz
Operating Temperature：
-25°C ~ +85°C
Certifications：
UL, CQC, CE
Dimensions (mm)：
55 × 28 × 31 (W×H×D)
Weight(g)：
40
Connection Type：
Insert/Power cord
 
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Technical Advantages

  1. Suppresses both common-mode and differential-mode noise across a broad frequency range, improving EMC performance. 
  2. IEC inlet design simplifies installation and ensures reliable power interface connection in global systems. 
  3. High performance insertion loss with stable filtering under variable loads.

Product Pictures

Detail Picture

DAI1 Detail Picture

Overall Dimension（±1mm)

 
 
DAI1 Overall Dimension（±1mm)

 

Circuit Diagram

DAI1 Circuit Diagram

Insertion Loss

DAI1 IEC EMI filter insertion loss curve

Customization Options 

Cable length and interface type can be customized according to customer needs. DOREXS can also customize EMI filter parameters and appearance dimensions according to customer equipment requirements. At DOREXS, everything is based on customer requirements and we are committed to creating exclusive EMI solutions for customers. 

Approvals and Compliances 

Approvals and Compliances 

Applications

The DAI1 IEC EMI filter is widely used in:
  • Industrial control systems and automation equipment
  • Consumer electronic appliances
  • Office automation devices
  • Medical and testing instruments
  • Power supply systems and lab equipment
 

Introduction to Power Entry

Power entry modules are fundamental to the safe and efficient operation of modern electronic equipment. Acting as the gateway between the mains power supply and your device, a power entry module typically integrates an IEC inlet, a filter, and often a switch or fuse. This combination is designed to shield sensitive equipment from electromagnetic interference (EMI) and ensure compliance with international safety standards such as UL. By filtering out unwanted noise and interference right at the point of power entry, these modules help maintain the stability and reliability of your device. Whether you’re designing for industrial, medical, or consumer applications, selecting the right power entry module is crucial. Considerations such as voltage selection, fusing, and the type of filtering required all play a role in ensuring your equipment operates safely and meets regulatory requirements.

FAQ

1. Who are we?

DOREXS was founded in 2008 and is a manufacturer focusing on EMI solutions and power quality solutions with rich industry experience. Professional R&D technical team and advanced production equipment support us to provide cost-effective products and solutions.

2. How do we ensure product quality?

Our filter products have UL, CE, ISO9001 and ROHS certifications, and each product will be subject to final inspection before leaving the factory.

3. Do we support customization?

DOREXS not only provides standard products, but also supports product appearance customization and product parameter customization. We provide cost-effective EMI solutions and power quality solutions.

4. What services can we provide?

Delivery terms: FOB, CFR, CIF, EXW, FCA
Payment currency: USD, EUR, RMB
Payment method: T/T, L/C, MoneyGram, Western Union, Cash

5. What products can I buy from you?

EMI/EMC filters, transformers, reactors, insulated wires and power sockets, etc.
 

6. IEC Inlet Considerations

The IEC inlet is a vital part of any power entry module, providing a standardized and secure connection to the mains supply. Designed to meet stringent international safety standards like UL, IEC inlets are available in a variety of configurations, including both filtered and unfiltered versions. Choosing the right IEC inlet involves evaluating the type of filter needed to reduce electromagnetic interference, the current and voltage ratings, and the compatibility with your device’s power needs. IEC filters play a key role in minimizing interference and ensuring that your equipment operates reliably, even in environments with significant electrical noise. By selecting the appropriate IEC inlet and filter combination, you can enhance the performance and safety of your device, ensuring it meets both regulatory and operational requirements.

7. Voltage Selection

Selecting the correct voltage configuration is a critical step in designing a power entry module. The module must be rated to handle the maximum voltage and current required by your device, whether it operates on 120V, 230V, 240V, or another standard. Power entry modules are available in single-phase and three-phase options, allowing for flexibility across a wide range of applications. It’s important to consider not only the device’s voltage requirements but also the regulatory standards of the markets where the equipment will be used. By choosing a power entry module that is properly rated and designed for your specific voltage needs, you ensure safe, efficient operation and compliance with all necessary regulations.

8. Component Selection

The reliability and performance of a power entry module depend heavily on the quality of its components. Selecting the right IEC inlet, filter, switch, and fuse is essential to ensure the module meets the demands of your device and the expectations of your end users. Components should be chosen based on their ratings, compatibility with the device, and adherence to international safety standards such as UL. It’s also important to consider the physical room available for components within the module, as well as the potential for issues like smoke or failure due to poor-quality materials. Opting for high-quality, well-designed components not only makes maintenance and repair easier but also minimizes the risk of problems, ensuring your power entry module delivers reliable performance over time.
 

9.Power Entry Module Options

When it comes to power entry modules, there is a wide range of options to fit the needs of different devices and applications. Some modules are straightforward, featuring only an IEC inlet for basic power connection, while others combine multiple functions such as filtering, switching, and fusing into a single, compact unit. 
High-performance power entry modules are designed for applications where low noise and high reliability are essential, such as in medical equipment or professional audio devices. For general-purpose use, modules may focus on ease of installation and broad compatibility. Key factors to consider include the type of filter used, the rating and type of switch or fuse, and how well the IEC inlet matches the device’s power requirements. By carefully selecting the right power entry module, you can ensure optimal filtering, reliable operation, and compliance with safety standards.