WEIPU WK Series Circular Connector — Rugged, Easy-to-Install Industrial Connector
The WEIPU WK Series Circular Connector is a compact, rugged circular connector engineered to give technicians and engineers a fast, reliable way to connect power and signals in industrial environments—reducing installation time and preventing costly failures in the field.
Designed for Your Convenience
Fast, intuitive installation
The WK Series is built for people who need connectors to work first time, every time. Its straightforward mating design and clear polarity guidance let installers complete hookups quickly and with minimal fuss—so projects stay on schedule and labour costs stay down.
Cable-friendly features
Thoughtful strain relief and standard cable gland options make routing and securing conductors simple. Whether you’re retrofitting equipment or building new panels, the connector’s form factor reduces clutter and makes future service easier.
Practical Everyday Value
Reliability where it matters
This series focuses on dependable electrical contact and mechanical endurance, helping prevent intermittent faults and reducing the frequency of on-site repairs. For operations in manufacturing, renewable energy, or transportation, that reliability translates directly into fewer unplanned stops and predictable maintenance windows.
Versatile for multiple applications
The WK Series supports both signal and power distributions in compact assemblies, making it suitable for factory automation, control cabinets, lighting systems, and outdoor equipment. Its modularity lets you choose contact layouts that match your application without overpaying for unused features.
Thoughtful Details That Save Time
Serviceable and upgrade-friendly
Designed with field service in mind, the connector allows quick terminal access and straightforward replacements. When timelines are tight, this ease of service keeps your teams productive and minimizes system downtime.
Backed by WEIPU expertise
WEIPU was founded in 1996 and is a global leader in high-reliability industrial connectors and a principal drafter of the GB/T 11918-2014 national standard. With nearly 30 years of experience and a 2025-expanded facility totaling 80,000 m² and annual capacity of 55 million units, WEIPU provides over 70,000 specifications to more than 30,000 customers in 130 countries. Our product development benefits from independent R&D and a vertically integrated production approach—so you receive proven quality, fast prototypes (7–15 days), and OEM/ODM support when you need it.
For product support, samples, or technical questions contact WEIPU at salse01@weipu-group.com or call +86-020-80501102. Visit https://www.weipu-group.com/ to learn more about our industrial connector solutions.
Product Images
Our Certifications
ISOTS-221632017Certification
TUV-Certification
CCC-Certification
If you have any questions or concern, please contact us.
Frequently Asked Questions
What makes the WEIPU WK Series Circular Connector suitable for harsh industrial environments?
The WK Series Circular Connector is engineered for rugged, mission-critical use. Its robust shell design and advanced sealing technology provide protection against dust, water ingress and high-pressure washdown environments — with options up to IP69K available across WEIPU product lines. The series resists vibration, shock and wide temperature swings, and is manufactured and tested under strict quality systems to ensure long-term reliability in applications such as factory automation, renewable energy, rail and outdoor equipment.
Is the WK Series Circular Connector easy to install and maintain on the production floor?
Yes. The WK Series was designed for fast, reliable installation and serviceability. Connectors feature clear keying and mating guidance, secure locking mechanisms (bayonet or threaded options) and accessible contact terminations that reduce wiring time and human error. WEIPU provides detailed assembly and wiring guides, mounting accessories and optional pre-terminated cable assemblies to simplify installation and ongoing maintenance for production or field service teams.
What electrical performance and contact options does the WK Series Circular Connector offer?
The WK Series supports a wide range of contact arrangements suitable for signal, control and power distribution. WEIPU offers multiple contact sizes and plating options to match your current, voltage and environmental requirements. For customers needing very high-current solutions, WEIPU’s vertically integrated product portfolio includes designs rated up to 800A; for precise WK Series ratings and pinouts, we recommend consulting the WK Series datasheet or contacting our technical team for application-specific selection and verification.
Are the WK Series connectors certified for critical industries and which applications are they best suited for?
WEIPU manufactures to global quality and safety standards and holds elite certifications such as IRIS (Rail Transit) and IATF 16949 (Automotive). While certification applicability can depend on the exact part and configuration, WK Series connectors are commonly used in industrial automation, renewable energy systems, rail/transport, medical devices and outdoor instrumentation. For medical sterilization or other regulated applications, WEIPU offers specialized solutions (e.g., autoclave-resistant options in our broader portfolio); please contact us to confirm compliance for your specific use case.
Can WEIPU customize WK Series Circular Connectors, and what are the lead times, sampling and support options?
Absolutely. WEIPU provides OEM/ODM customization across mechanical, electrical and cable options through our independent R&D and vertical manufacturing. We support rapid prototyping (typical prototype delivery in 7–15 days), a 24-hour response for technical inquiries, and volume production capacity enabled by our expanded facilities. To request custom options, samples or technical support, contact WEIPU sales at salse01@weipu-group.com, call +86-020-80501102, or visit https://www.weipu-group.com/. Our team will help specify the right WK Series configuration and provide quotations, datasheets and turnaround estimates.
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