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2025-10-15
Shenzhen STA Electronic Co., Ltd. offers a full range of M series connectors, covering M5 to M40 and 7/8 inch specifications.
These products are available for both panel mount and cable-to-cable connections, featuring threaded and push-lock coupling options, all compliant with the IP67 waterproof standard.
In this article, we take a closer look at the STA M9 Series — a compact and versatile connector solution for industrial and electronic applications.
1. Product Overview
As a miniature EU-type circular connector, the M9 series provides 2 to 8 pin configurations (seven pin options in total), including panel sockets, assembly-type plugs, and molded cable connectors.
With its small size and reliable performance, the M9 connector is widely used in industrial automation, sensor systems, and medical equipment manufacturing.
2. Key Features
Excellent Protection Performance
The M9 series meets the IP67 waterproof rating, providing reliable sealing against dust and moisture — ideal for harsh environments.Stable Electrical Transmission
The contact pins are gold-plated, ensuring corrosion resistance with up to 48 hours of salt spray protection and maintaining stable current and voltage transmission over time.Threaded Connection Design
The M9 series uses a screw-lock coupling mechanism. All models are solder-type wiring for strong and secure electrical contact.Durable and Long-lasting
With a mating cycle ≥ 500 times, and a nickel-plated brass shell, the connector ensures long-term reliability and consistent performance.Wide Operating Temperature Range
Designed to perform under –25°C to +85°C, suitable for both indoor and outdoor environments.Compact and Space-saving
With a thread diameter of only 9 mm, the M9 series is perfect for applications with limited installation space.
3. Product Selection Guide
The M9 series provides 2 to 8 pin options and supports both straight and right-angle configurations.
Panel sockets are available in solder and PCB types, supporting front or rear panel mounting.
All plugs are metal assembly type for enhanced durability.
Rated Current: 1A–4A
Rated Voltage: 125V (all pin counts)
Cable Options: Shielded and Unshielded molded cable assemblies
For applications requiring higher electrical stability and anti-interference performance, shielded cable versions are highly recommended.
Learn more about shielded cable principles.
4. Typical Applications
Industrial automation and control systems
Medical and laboratory equipment
LED lighting and outdoor control devices
5. About STA Electronic
With over 15 years of experience in connector manufacturing, Shenzhen STA Electronic Co., Ltd. specializes in waterproof circular connectors, industrial cable assemblies, and customized connection solutions.
All products are developed with strict ISO 9001:2015 quality control standards to ensure precision, durability, and reliability for every connection.
? Contact us for more information or samples:
Email: sales@sz-sta.com
Mobile/WhatsApp: +86 13423902002
? Website: www.cn-sta.com
