• Professional Switch Mode
    Power Supply China Manufacturer

    ● 30+ Product Categories

    ● Steady Performance

    ● Affordable Price

Omch - Your Reliable Proximity Sensor Expert

As a leading proximity sensor supplier, we guarantee 100% precise fitting proximity switches at the most competitive prices. Our products are CE and RoHS certified, ensuring top-tier safety and environmental compliance.

Pinpoint Your
Product

3000+ models available for easy industrial automation matching.Tailored recommendations ensure optimal product selection.

Top Supplier
Choice

Omch Factories have CE, RoHS, and ISO9001 certifications and ensure competitive pricing and consistent quality.

Custom OEM & ODM Solutions

Precise specification customization fits application needs. Functionality customization boosts product performance.

24/7 Support
Always

Responsive technical support and on-time delivery. One-year warranty with quality issue compensation guarantee.

Send An inquiry

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View Our Switch Mode Power Supply

We guarantee a 99.5% pass rate for our switching power supplies. If any quality issues arise, we offer a one-to-one replacement or compensation.

What Makes Our SMPS Stand Out?

High-Temp Output Capacitor

Equipped with a high-temperature 105℃ output capacitor, enhancing power supply lifespan and ensuring stability in high-temperature environments.

Wide Voltage Range

Supports a wide AC input voltage range of 85-264V, compatible with global power standards, ensuring reliable operation worldwide.

High Efficiency Output

Optimized power conversion efficiency minimizes energy loss, allowing lower operating temperatures and extending device lifespan.

Soft-Start Protection

Soft-start functionality effectively reduces AC input surge, preventing equipment damage caused by sudden power fluctuations.

Enhanced Safety Protection

Built-in short-circuit and overload protection automatically disconnects power in abnormal conditions, preventing equipment failures.

Low Ripple & Noise

Integrated EMI filter effectively minimizes electromagnetic interference, ensuring stable operation for precision electronic devices.

Fast Transient Response

Rapid response to load changes ensures stable power output even during voltage fluctuations, maintaining consistent performance.

Compact Modular Design

Space-saving, compact design allows for easy installation, making it ideal for industrial automation and electronic applications.

38 Years of Expertise to Address Any Industry’s Needs

We don’t just offer solutions for these industries:
Automation Production Lines
New Energy Industry
Machining Industry
Electric Power Industry
Automotive Industry
Electronic Industry

With 38 years of experience, we are able to offer customized solutions for more industries. Omch’s deep expertise in automation technology enables us to design custom products that address the specific challenges of various industries.

From Standard to Custom Products, We Have It All

We offer over 3,000 products to choose from, and in addition to our standard offerings, we provide customized solutions. Our extensive OEM options can be flexibly tailored to meet specific requirements.
Appearance
Size
Color
Material
Functionality
Packaging
supplier selection criteria

Quality Control Starts at the Source

We evaluate suppliers through multiple dimensions, and for the same product, we source from different factories to flexibly match the needs of different users.

Compliance and Qualification

We only select factories that comply with international certifications such as CE, RoHS, and ISO 9001, ensuring that each batch of products undergoes strict quality testing and multiple inspections.

Customization Capabilities

Suppliers can provide flexible customization options, including non-standard products and support for ODM and OEM, with stable delivery times to meet customer needs.

Price Competitiveness

By comparing prices and quality across suppliers, we offer products at lower prices for the same quality or higher quality at the same price.

Technical & After-Sales Support

Suppliers are required to offer expert technical support for customization and promptly address after-sales issues to guarantee customer satisfaction.

Development and Innovation

Suppliers must have ongoing R&D capabilities to drive innovation in product size, materials, and processes, adapting to various applications and extending product lifespan.

Not just a supplier,
but your trusted long-term partner in success.

Omch: Your First-Choice in Industrial Automation Products

We carefully select and offer high-quality products at great prices, ensuring you receive excellent service that truly cares about your needs and satisfaction.

Selection Discussion

Rigorous Supplier Selection

SMT placement machine

Powerful Manufacturing Capability

Withstand voltage test

Strict Quality Control

reliable service

After-Sales Support

technical support

Expert Technical Support

The World's Leading Industrial Automation Company

3000+
SKUs Avaliable

Covering all industrial automation products you need.

CE, CCC, ROHS
Certified

Internationally accredited for
guaranteed quality.

8000㎡
Modern Factory

7 production lines for efficient, high-quality production.

1-Year
Warranty

Guaranteed compensation for quality issues.

24/7
Fast Response

Inquiries are addressed within 1 day for timely support.
in-house production standards

Specialized Quality Checks for Every Product

Due to the wide variety of products and their different characteristics, we apply specific quality inspection processes for each product. Below are the key quality checks we implement:
Encoder component detection

Raw Material Inspection

All raw materials undergo thorough quality testing. Materials that fail to meet standards are promptly rejected.
 
Random inspection

Full Process Monitoring

Quality checks are performed at every production stage following ISO 9001 standards, with real-time monitoring to prevent potential issues.
 
Power supply debugging

Production Process Verification

Quality inspectors conduct sampling tests throughout production stages to ensure compliance with customer specifications.
Encoder handwheel detection

Special Performance Testing

We test products with specific requirements (e.g., waterproof, dustproof, shockproof) to ensure reliable performance and compliance with relevant standards (e.g., IP, shock resistance).
aging test

Aging Tests

Products undergo aging tests simulating long-term operation to verify durability and reliability before delivery.
 
warehouse

Final Inspection

A comprehensive final check of appearance, performance, and specifications ensures each product meets customer requirements before packaging.
 

Commitment to Quality

Our industrial automation products are CE, CCC, and RoHS certified, offering absolute confidence and reliability in every use.

Our Partnership

Hear What Our Clients Say

John
John@Operations Manager
"Omch's sensors and switches have been reliable additions to our production lines, helping us maintain consistent efficiency and reduce interruptions."
Klaus
Klaus@Project Leader
"Omch's products have supported our renewable energy projects well. The range and customization options fit our needs, and their team's support helps us keep things on track."
Akira
Akira@Robotics Engineer
"Collaborating with Omch has been beneficial. Their products work well with our robotic systems, and their team is quick to assist when needed."

Contact Us

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