M12 Connectors are the global standard for robust, circular interconnects in industrial automation and harsh environments. Renowned for their compact size, threaded coupling mechanism, and excellent IP (Ingress Protection) ratings, they provide reliable data and power transmission for sensors, actuators, fieldbus systems, and Industrial Ethernet applications. Our comprehensive portfolio covers all major coding types, pin counts, and termination styles to meet the precise demands of your system.
Key Features & Benefits:
Rugged & Reliable: The 12mm threaded locking mechanism ensures a vibration-proof connection, while standard IP67/IP68/IP69K ratings guarantee protection against dust, water, and high-pressure washdowns.
Multiple Codings (Keying): Prevents mis-mating and ensures signal integrity:
A-Coded: The most common type, used for sensors, actuators, DC power, and generic I/O. (Typically 3-5 pins)
B-Coded: Used for Profibus fieldbus networks. (5 pins)
D-Coded: Primarily used for 100 Mbit Industrial Ethernet (e.g., PROFINET) and some fieldbus systems. (4 pins)
X-Coded: Designed for 10 Gbit/s high-speed Industrial Ethernet and Gigabit Ethernet, supporting higher frequencies. (8 pins)
S-Coded & T-Coded: For AC power and specific power supply applications.
Various Configurations:
Cable Connectors: (Plug & Receptacle) Straight or right-angle designs.
Panel Mount Receptacles: For mounting on equipment enclosures.
PCB Mount Receptacles: For direct board connection.
High-Performance Materials: Typically constructed with PBT or PA housings and nickel-plated brass shells for superior chemical and mechanical resistance.
Applications:
M12 connectors are indispensable in virtually all industrial sectors:
Industrial Automation & Robotics: (PLC I/O, motor drives, vision systems)
Industrial Ethernet & Fieldbus: (PROFINET, EtherNet/IP, EtherCAT, Profibus)
Sensor & Actuator Networks: (Proximity sensors, photoelectric sensors, valves)
Factory Process Control & Instrumentation
Transportation & Heavy Machinery
Renewable Energy: (Solar and wind farm control systems)
Technical Specifications (Varies by Product):
Coupling Mechanism: 12mm Threaded
IP Rating: IP67, IP68, IP69K
Voltage Rating: Up to 630 V (dependent on coding and pin count)
Current Rating: Up to 16 A (dependent on coding and pin count)
Temperature Range: -40°C to +85°C (or higher)
Contact Plating: Gold over Nickel (for signal), Silver or Tin (for power)
Insulation Material: PBT, PA













Dongguan Huamao Electronic Co., Ltd was founded in 2008 and located in famous electronic town of Chang'an, Dongguan City, Guangdong Province,China.Huamao is a professional comprehensive manufacturer of cables,connectors and wire harnesses.After over 14 years of development, we equipped with high-quality and high-production automatic manufacturing machinery. The company covers an area of more than 2800 square meters.The well-trained production team and professionalized sales team are always striving for maintaining high quality products and providing the most reasonable price, best quality service to all new and old customers.The company obtained SGS ISO9001 international quality certification to establish a sound quality assurance management system.All products have been met RoHS environmental requirements and accredited the UL and other certification by reputable organization over the world.Our corporation is specialized in the production of electronic harness,cables, a variety of high quality connectors. Products are widely used in the field of electronics home appliances, LED lighting lamps, electronic equipment, medical equipment, speakers,electronic products, automobiles and so on.Company adhering to the "meticulous production, excellent service" business purpose, keep improving the quality of the products.We are warmly looking for cooperation and development together with you. Please feel free to contact us if you have any question.Our Mailbox number is bella@huamaowire.com







No. 915 Tai'an Road, Chang'an Town, Dongguan City, Guangdong Province
Call: 86 13826948503
bella@huamaowire.com
No. 915 Tai'an Road, Chang'an Town, Dongguan City, Guangdong Province
Call: +86 13826948503
bella@huamaowire.com
by CatherineBella
10 Nov, 25
by CatherineBella
13 Jul, 24
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