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WK Series Circular Connector — WEIPU High-Reliability Circular Connectors

WEIPU WK16-Z M16 circular connector square flange socket with attached dust cap lanyard

Discover the WK Series Circular Connector from WEIPU — a family of circular connectors engineered to deliver dependable power and signal connectivity where failure is not an option. The WK Series combines compact, ergonomic housings with robust sealing and contact options so crews and engineers can install with confidence, maintain uptime, and scale production without supply-chain uncertainty.

Why WEIPU's WK Series Circular Connectors Matter

Connectivity is a core part of every modern system: a small connector can define whether a medical device sterilizes properly, a charging station stays online, or an automated line continues running. The WK Series focuses on real-world performance: resilient sealing to resist washdown and pressure cleaning, contact geometries that ensure low-resistance power transfer, and mechanical latches that simplify field replacement. These are not academic improvements — they reduce downtime, lower maintenance cost, and protect the people who rely on the equipment.

Rather than treating connectors as commodity items, the WK Series embraces modularity. Engineers can choose from multiple shell sizes, pin layouts and termination styles to match signal, data and high-current needs within the same connector family. Installers benefit from repeatable assembly practices and simplified spare-part inventories, while procurement teams get predictable lead times thanks to WEIPU's vertically integrated manufacturing.

Technical Highlights and How to Choose

Selecting the right circular connector is about matching environment, electrical performance and lifecycle expectations. The WK Series is designed to excel across those dimensions, offering options that meet industrial, automotive and rail requirements without compromising ergonomics or installation speed.

Ingress and environmental protection: Sealing options address IP66/IP67 and higher washdown needs, delivering resistance to dust, water jets, and cleaning processes common in food, pharmaceutical and outdoor applications.
Current and contact options: Pin configurations scale from low-voltage signal to high-current power applications; WEIPU's expertise in high-current designs ensures reliable low-heat connections for demanding loads.
Mechanical resilience: Robust latching and keyed shells reduce mis-mating risk and simplify maintenance in confined or vibration-prone environments.
Customization and rapid prototyping: With in-house R&D and OEM/ODM services, WEIPU delivers prototypes in 7–15 days and responds to urgent needs via a 24-hour rapid response program.

When choosing a WK Series connector, prioritize environmental seal and contact material for longevity. Match shell size to required wiring density and serviceability, and confirm termination style (crimp, solder, PCB) for manufacturing throughput. WEIPU's technical support can help translate application constraints into optimal part selection and life-cycle planning.

WEIPU Credibility: Manufacturing Scale, Standards and Global Support

WEIPU has built trust through nearly three decades of focused expertise in industrial connectors. Founded in 1996, the company is a principal drafter of the GB/T 11918-2014 national standard and now operates an 80,000 m² facility with an annual capacity of 55 million units. That scale matters: it reduces lead-time risk and enables consistent quality for high-volume programs across 130 countries.

Certifications from IRIS (rail transit) and IATF 16949 (automotive) reflect WEIPU's adherence to strict global safety and quality regimes. The product portfolio exceeds 70,000 specifications, spanning circular, heavy-duty and CEE connectors and including solutions rated to IP69K, designs supporting 800A high-current needs, and medical-grade products that withstand 134°C autoclave sterilization. For urgent inquiries or custom projects, WEIPU provides OEM/ODM services and direct support via https://www.weipu-group.com/, email salse01@weipu-group.com, or phone +86-020-80501102.

The WK Series Circular Connector is not merely a component; it's part of a one-stop connectivity strategy that protects uptime and simplifies global deployment. Whether you are designing medical instruments, renewable energy inverters, or factory automation systems, the WK Series and WEIPU's engineering partnership reduce risk at every stage — design, certification, production and field service.

WK Series Circular Connector Display

WEIPU WK16 M16 connector matching pair: WK16-Z flange socket & WK16-TE plug

FAQ

What applications are best suited to the WK Series Circular Connector?

The WK Series is designed for demanding applications such as rail transit, automotive subsystems, medical equipment that requires autoclaving resistance, renewable energy inverters, outdoor charging stations and industrial automation. Its sealing, mechanical robustness and contact options make it suitable wherever reliability under harsh conditions is required.

How does WEIPU ensure consistent supply and quality for WK Series orders?

WEIPU combines nearly 30 years of experience with a vertically integrated production system and a large-scale manufacturing footprint (80,000 m² and 55 million unit annual capacity). The company adheres to standards including GB/T 11918-2014 and maintains IRIS and IATF 16949 certifications, which together ensure consistent quality and predictable lead times for volume programs.

Can the WK Series support high-current power connections and aggressive cleaning processes?

Yes. The WK Series offers contact options and shell sizes designed for higher current applications and sealing variants that resist water jets and washdown processes. WEIPU also provides product families rated to IP69K for the most demanding washdown environments and has high-current designs capable of handling significantly larger currents when specified.

Is custom configuration or rapid prototyping available for the WK Series?

WEIPU provides OEM/ODM services with rapid response capabilities. Prototypes can typically be delivered within 7–15 days, and the company offers a 24-hour rapid response service for urgent technical or supply requests, enabling accelerated development cycles for custom connector solutions.

How do I select the right WK Series part for my design and get technical support?

Start by defining environmental conditions (temperature, IP rating), electrical requirements (signal vs. power, current rating), mechanical constraints (space, mating cycles) and termination style. WEIPU's technical team can assist with part selection, compatibility checks and certification requirements. Contact support via https://www.weipu-group.com/ or email salse01@weipu-group.com for personalized guidance.