SP Series Waterproof Wire Connectors – Reliable In-Line Connection for Power & Signal Cables
The SP Series waterproof wire connectors are designed to provide secure and stable wire-to-wire (in-line) electrical connections in environments where protection against water, dust, and vibration is required. With a rugged housing and precision sealing structure, they ensure continuous and reliable performance for both power and signal transmission.
Unlike panel or flange types, SP wire connectors are optimized for direct cable connection, making them ideal for flexible wiring systems and field installations.
Built for Harsh Outdoor and Industrial Wiring
SP wire connectors are engineered to maintain stable electrical contact even in challenging environments such as outdoor exposure, humidity, dust, and mechanical movement. The threaded locking system ensures a firm connection between male and female ends, reducing the risk of accidental disconnection during operation.
With IP-rated sealing protection, they help maintain system reliability and reduce maintenance requirements in long-term use.
Key Advantages of SP Series Wire Connector
IP67 / IP68 waterproof and dustproof protection
Secure in-line wire-to-wire connection design
Strong locking mechanism for vibration resistance
Stable electrical performance for power and signal use
Durable housing for industrial environments
Suitable for repeated connection and disconnection
Typical Applications for SP Series Wire Connector
The SP Series waterproof wire connectors are widely used in applications requiring flexible cable connections, including:
LED outdoor lighting systems
Industrial automation equipment
Sensor and monitoring systems
Power supply wiring connections
Marine and outdoor electrical installations
Security and communication systems
Renewable energy equipment
Configuration & Options For SP Series Wire Connector
SP wire connectors are available in multiple configurations to meet different wiring and electrical requirements:
SP13/SP17/SP21/SP29 options
Male and female in-line connectors
Cable-to-cable (wire-to-wire) structure
Straight connector design
Solder or crimp termination options
Custom cable length and wiring solutions
Optional overmolding for enhanced protection
OEM and ODM customization is available for project-specific requirements.
Manufacturing Strength & Production Capability
With manufacturing experience since 2007, our company specializes in waterproof connectors and cable assembly solutions. Based in Shenzhen, we operate a fully integrated production system covering mold development, die casting, CNC machining, stamping, injection molding, and final assembly.
This complete manufacturing capability ensures stable quality control, efficient production, and flexible customization for global customers.
Quality Control & International Standards
Each SP wire connector is tested through strict quality inspection processes to ensure reliable performance in demanding environments, including:
Waterproof sealing tests
Electrical conductivity and insulation testing
Insertion and withdrawal force testing
Salt spray resistance testing
Mechanical durability testing
Precision dimensional inspection
Our products comply with international certifications including UL, CE, RoHS, BSCI, and ISO9001, supported by multiple technical patents that reflect our continuous innovation and engineering capability.
Reliable Production & Global Delivery
All connectors are carefully inspected, packaged, and prepared for shipment to ensure safe transportation and stable product quality upon arrival. With strong production capacity and coordinated logistics management, we support reliable delivery schedules for both standard and large-volume orders.
We are committed to providing dependable connectivity solutions and long-term supply support for industrial and outdoor applications worldwide.
Number Of Cores
Contact Diameter(mm)
IP Rating
Shell Material
Termination
Rated Current(A)
Certification
Tel: +8619924482730
Email: info@kmydconnector.com
MP/WhatsApp: +86-19924482730
Manufacturer Address:Baoan District, Shenzhen City, Guangdong Province,China
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