Our P20K, P28J, P32K, P48J 2pin/3pin circular aerospace connectors are designed for reliable connections in harsh environments. It has the following significant advantages:
Ruggedness: Made of high quality materials, the shell can effectively resist shock, vibration and corrosion, which can be adapted to the complex use of the aviation field environment, to ensure long-term stable operation.
Good electrical performance: 2pin and 3pin design can meet different circuit connection requirements. Tight contact between pin and jack, excellent conductivity, stable signal transmission, strong power carrying capacity, greatly reducing signal attenuation and power loss.
Convenient installation: rational structural design, easy installation and disassembly operations, can save installation time and labor costs, improve work efficiency.
High protection level: with excellent waterproof, dustproof and anti-fouling performance, high protection level, can effectively avoid external factors on the connector internal damage, to ensure that the normal work in harsh environments.
These circular aeronautical connectors are widely used in aircraft avionics systems, aeronautical instrumentation, communication equipment and other fields, is the ideal choice for aeronautical equipment connection.

Fzolink OL-XS series (XS8/XS9/XS12/XS16) are IP65 automotive round electric quick connectors, engineered for harsh automotive working environments with a wide operating temperature range of -55℃~+85℃ and >500 mating cycles for durable use. Featuring gold-plated brass contacts (≤5mΩ contact resistance) for superior conductivity and gold/silver-plated aluminum alloy housing with bakelite insulation, they deliver stable performance with 250V rated voltage and 3A/5A/10A optional rated current, even resisting vibration and impact. The connectors adopt thread/push-pull self-latching coupling for secure and convenient connection, offer diverse pin configurations (2P-9P) across models, and support wire-to-board installation. IP65 dustproof and waterproof, CE and RoHS certified, they are ideal for reliable power transmission in various automotive electrical systems with compact, space-saving design.

Fzolink MS5015 is an IP65 waterproof circular automotive adapter connector with exceptional environmental adaptability, operating stably in a wide temperature range of -55℃~+125℃ and enduring over 500 mating cycles for long-term use. It features gold/silver plated copper alloy contacts and nickel-plated zinc alloy housing, paired with polychloroprene insulators, delivering superior electrical performance with optional rated voltage (300/750/1500VAC) and current (10/25/50/100A), plus a minimum insulation resistance of 5000MΩ. The connector offers rich configurations with 3-61 pin options, male&female genders, straight/90° bend plug and panel mount socket types, and adopts threaded coupling for secure, stable connections via cable and flexible metal conduit. Compliant with EU standards and certified by CE/RoHS, it resists vibration and impact, making it ideal for harsh working conditions in automotive, industrial automation, new energy, rail transit, aerospace and medical equipment. It also supports OEM/ODM customization including soldered wiring and logo design for diverse application needs.

The Olink OL-YF24 20A 3 Pin Powercon Connector is a high-performance industrial power connection solution independently developed and produced by Xiamen Olink Import And Export Co., Ltd., a professional electrical interconnection enterprise with over 10 years of experience. This round male/female adapter connector is designed for high-power supply scenarios, integrating excellent electrical performance, structural durability and environmental adaptability, and is widely applicable to various industrial and professional equipment power connection needs with customizable services to meet personalized application requirements.

OLINK JH22 is a plastic waterproof adapter connector dedicated to DC LED outdoor lighting, featuring an IP68 waterproof rating and a wide temperature adaptability of -40°C~+85°C. It has a 250V rated voltage and 16A rated current, with nickel-plated copper alloy contacts and silicone rubber sealing for stable, safe power transmission and durable performance (≥500 mating cycles). Its flame-retardant PA housing, max 11mm cable OD compatibility and male&female design fit most outdoor lighting wiring needs, and it is CE, RoHS and IP67 certified for reliable quality.

OLINK Amphenol MS3116 is an IP67-rated Mil Spec circular aerospace power adapter, engineered for high-reliability electrical connections in extreme harsh environments such as aerospace, instrumentation and industrial power systems. It features gold-plated copper alloy contacts and a robust aluminum alloy housing with polychloroprene insulators and grommets, delivering stable performance with 600V rated voltage, 7.5A rated current and a minimum insulation resistance of 5000MΩ. The connector operates flawlessly in an ultra-wide temperature range of -55℃~+125℃, offers both straight and right angle orientations, and comes in multiple shell sizes (8,10,12,14,16,18,20,22) to fit diverse installation needs. With 500 mating cycles for long service life, excellent vibration and impact resistance, and reliable IP67 dustproof and waterproof sealing, it complies with international Mil standards and is CE/RoHS certified. Ideal for petrochemical, new energy and automotive applications across Russia, the USA and Europe, it also supports OEM/ODM customization including custom wire harnesses for ready-to-use convenience, with 7*24h professional technical support available.

M8 M12 connectors came to market in the late 1980’s and remain a positive disruption in industries such as automotive, industrial automation, agriculture, and food processing