WEIPU Socket with Cap — Rugged Industrial Connector Solutions

WEIPU’s socket with cap series offers sealed, reliable connectivity designed to protect contacts from dust, moisture and mechanical damage. Backed by nearly three decades of R&D and a vertically integrated production system, our protective sockets deliver IP-class protection, high-current options and rapid customization—making them ideal for medical devices, rail transit, renewable energy, and Industry 4.0 installations worldwide.

Explore Our Rugged Socket with Cap Collection

Circular sockets with protective caps

Compact circular sockets fitted with hinged or screw-on caps provide simple, repeatable mating while preventing ingress when disconnected. Available in multiple shell sizes and contact layouts, these solutions balance space efficiency with environmental sealing suitable for control cabinets, instrumentation, and outdoor junctions.

Heavy-duty sockets and high-current options

For power-intensive applications, WEIPU supplies sockets capable of high current and vibration resistance. With product lines designed to handle elevated amperages and to meet tough mechanical demands, these caps and sockets support renewable energy inverters, traction systems, and industrial motors where secure power transfer is essential.

Medical-grade and sterilizable variants

Medical sockets with autoclave-resistant caps withstand temperatures up to 134°C and maintain reliable sealing for sterile environments. These variants are developed under strict quality regimes to meet demanding sterilization and durability requirements in clinical equipment.

Why Choose WEIPU Socket Solutions

Proven manufacturing scale and certifications

Founded in 1996, WEIPU is a principal drafter of GB/T 11918-2014 and a global leader in industrial connectors. Our expanded 80,000 m² facility supports an annual capacity of 55 million units and over 70,000 specifications. Certified to IRIS (Rail Transit) and IATF 16949 (Automotive), WEIPU ensures consistent quality for safety-critical deployments.

Performance benchmarks and protection

WEIPU product engineering targets top-tier performance: IP69K-rated sealing for high-pressure washdowns, options to support up to 800A in specialized connectors, and materials formulated for long-term resistance to environmental stresses. Socket caps are designed to maintain sealing integrity, reduce contamination risk, and simplify maintenance tasks in harsh conditions.

Fast, flexible OEM/ODM and global support

Our vertically integrated approach delivers one-stop solutions with 24-hour rapid response and prototype delivery in 7–15 days. Serving 30,000+ customers across 130 countries, WEIPU pairs global reach with local support—contact our team at salse01@weipu-group.com or +86-020-80501102 for specification guidance, samples, or custom designs.

Applications at a glance

  • Rail and transit systems requiring vibration-resistant, sealed connectors
  • Medical instruments needing sterilizable connectors and protective caps
  • Renewable energy and power distribution with high-current, weatherproof sockets
  • Smart manufacturing and automation where dust and washdown protection are critical

Choose WEIPU socket with cap solutions when reliability, compliance, and fast customization matter. Our industry expertise, extensive product range, and certifications make WEIPU the trusted partner for mission-critical connectivity.

socket with cap Display

FAQ:
What termination methods are available for SA16 model?

SA16 supports both solder and crimp termination, which can be selected according to actual installation needs.

Can the WT29 series be used with cables larger than 2.5mm²?

No. The max wire size is 2.5mm²/16AWG. Using larger cables may cause poor connection or terminal damage.

What's the difference between different crimping methods?

Screw crimping: easy to adjust; Cold crimping: high connection tightness; Spring clip crimping: quick operation, suitable for frequent disassembly.

What does the warranty cover?

It covers manufacturing defects, material failures, and performance issues under normal use. It excludes damage from improper installation, misuse, or natural disasters.

What is the difference between the tin-plated and gold-plated contacts of the SY series? How to choose?

Tin-plated contacts have good conductivity and cost-effectiveness, suitable for general industrial environments; gold-plated contacts have better corrosion resistance and lower contact resistance, suitable for harsh environments with high humidity, salt spray or frequent mating. It is recommended to choose according to the actual working conditions and budget.

Related Products
WF-ZG Series 2-hole flange receptacle with cap 1 - WEIPU
WF-ZG Series 2-hole flange receptacle with cap
Read More
WF-ZG Series 2-hole flange receptacle with cap
WEIPU WK20 series WK20 ZEP inline waterproof circular receptacle for industrial equipment - WEIPU
WEIPU WK20‑ZEP In‑line Receptacle IP68 Circular Aviation Connector
WEIPU WK20‑ZEP In‑line Receptacle IP68 Circular Aviation Connector
Metal shielded WK20-ZP four-hole square flange receptacle, IP67 waterproof industrial push-pull bulkhead connector - WEIPU
WEIPU WK20 ZP Shielded Circular Connector Square Flange Panel Mount Receptacle
WEIPU WK20 ZP Shielded Circular Connector Square Flange Panel Mount Receptacle
Weipu WK20-Z non-shielded push-pull circular connector, 4-hole square flange panel mounting female receptacle, IP67 waterproof industrial bulkhead socket - WEIPU
Weipu WK20-Z Square Flange Panel Mount Circular Connector Female Receptacle IP67 Waterproof
Weipu WK20-Z Square Flange Panel Mount Circular Connector Female Receptacle IP67 Waterproof
Weipu WK20-TEP inline shielded cable assembly plug, V0 flame retardant IP67 anti-interference push-pull circular connector for WK20 series shielded receptacles - WEIPU
WEIPU WK20-TEP Shielded Push-Pull Cable Plug IP67 Waterproof Circular Connector
WEIPU WK20-TEP Shielded Push-Pull Cable Plug IP67 Waterproof Circular Connector
Weipu WK20 ZE metal shielded push pull circular plug, cable mount waterproof industrial connector for automation - WEIPU
Weipu WK20-ZE Push Pull Shielded Circular Cable Mount Plug
Weipu WK20-ZE Push Pull Shielded Circular Cable Mount Plug
Weipu WK16-ZP shielded square flange mounting socket paired with WK16-TE plug, IP67 V0 anti-interference industrial circular connector kit - WEIPU
WEIPU WK16-Z Square Flange Panel Mount Socket V0 Fireproof IP67 Push-Pull Connector
WEIPU WK16-Z Square Flange Panel Mount Socket V0 Fireproof IP67 Push-Pull Connector
Top Selling Products
WEIPU WY-TE Series Waterproof Electrical Plug 1 - WEIPU
WEIPU WY-TE Series Waterproof Electrical Plug
WEIPU WY-TE Series Waterproof Electrical Plug
WA22J4TK2 3+PE male cable connector with short back shell 1 - WEIPU
WA22J4TK2 3+PE male cable connector with short back shell
WA22J4TK2 3+PE male cable connector with short back shell
SY1110/P SY1110/S Cable connector IP67 1 - WEIPU
SY1110/P SY1110/S Cable connector IP67
SY1110/P SY1110/S Cable connector IP67
WEIPU SP1110P/S Cable Connector IP68 1 - WEIPU
WEIPU SP1110P/S Cable Connector IP68
WEIPU SP1110P/S Cable Connector IP68
SF610B/P SF610B/S Cable connector IP67 1 - WEIPU
SF610B/P SF610B/S Cable connector IP67
SF610B/P SF610B/S Cable connector IP67
SA610/P SA610/S Cable Connector IP67 1 - WEIPU
WEIPU SA610/P SA610/S IP67 Push Pull Circular Cable Connector
WEIPU SA610/P SA610/S IP67 Push Pull Circular Cable Connector
16A 3PIN Panel mount socket TYP5101-IP44 1 - WEIPU
16A 3PIN Panel mount socket TYP5101-IP44
16A 3PIN Panel mount socket TYP5101-IP44
WEIPU 16A 3Pin Industrial Plug Socket TYPR231 IP44 1 - WEIPU
WEIPU 16A 3Pin Industrial Plug Socket TYPR231 IP44
WEIPU 16A 3Pin Industrial Plug Socket TYPR231 IP44
WS-TQ - WEIPU
Weipu WS Series Industrial High-Reliability Threaded Connectors
Weipu WS Series Industrial High-Reliability Threaded Connectors
WF-TE - WEIPU
Weipu WF Series Industrial Threaded Connectors with IP67 Protection
Weipu WF Series Industrial Threaded Connectors with IP67 Protection
WEIPU WS-TQ Series Circular Connector Plug 1 - WEIPU
WEIPU WS-TQ Series Circular Connector Plug
WEIPU WS-TQ Series Circular Connector Plug
WF-TE Plug with metal clamping-nut 1 - WEIPU
WF-TE Plug with metal clamping-nut
WF-TE Plug with metal clamping-nut
Related Blog
Related Search
sa series
sa series
ws-ty series receptacle connector
ws-ty series receptacle connector
IP68 industrial inline cable connector
IP68 industrial inline cable connector
ws-td industrial plug supplier
ws-td industrial plug supplier
cable connector rj45 shielded ethernet
cable connector rj45 shielded ethernet
WK16 ZEP shielded inline socket
WK16 ZEP shielded inline socket
16a 3pin industrial plug socket
16a 3pin industrial plug socket
ip68 cable conncetor
ip68 cable conncetor
industrial plugs
industrial plugs
WK20-TEP shielded cable plug
WK20-TEP shielded cable plug
Get in touch with us
If you have any comments or good suggestions, please leave us a message, later our professional staff will contact you as soon as possible.
Name must not exceed 100 characters.
Invalid email format or length exceeds 100 characters. Please re-enter.
Please enter a valid phone number!
Company Name must not exceed 150 characters.
Content must not exceed 3000 characters.
Contact customer service

Get My Free Quote

Provide your project details and our team will deliver a tailored quote with professional recommendations to meet your specific industrial connectivity needs.

×
Name must not exceed 100 characters.
Invalid email format or length exceeds 100 characters. Please re-enter.
Please enter a valid phone number!
Company Name must not exceed 150 characters.
Content must not exceed 3000 characters.

Submit Request

Share your project details and our team will provide a tailored, professional quote to meet your industrial connectivity needs.

×
Name must not exceed 100 characters.
Invalid email format or length exceeds 100 characters. Please re-enter.
Please enter a valid phone number!
Company Name must not exceed 150 characters.
Content must not exceed 3000 characters.

Chat Online

Start a conversation with our team to get instant support and professional guidance on your project or product inquiries.

×
Name must not exceed 100 characters.
Invalid email format or length exceeds 100 characters. Please re-enter.
Please enter a valid phone number!
Company Name must not exceed 150 characters.
Content must not exceed 3000 characters.

Get Technical Files

Fill in the form to download technical files, product catalogs, and certification documents.

Our team will also assist you with connector selection, OEM/ODM needs, and distributor cooperation.

×
Name must not exceed 100 characters.
Invalid email format or length exceeds 100 characters. Please re-enter.
Please enter a valid phone number!
Company Name must not exceed 150 characters.
Content must not exceed 3000 characters.