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Engineered for demanding environments, our WB Circular Connector delivers reliable power and signal transmission in automation, energy, and transportation systems. Featuring IP67/IP69K protection, a corrosion-resistant shell, and secure locking, it ensures uninterrupted performance in dust, moisture, and high-vibration conditions.

Base Products

WB25 Circular Connectors

WB25 Circular Connectors

WB25,Solder, -40°C~85°C, low resistance, high insulation,25A,500V,500 cycles
WB30 Circular Connectors

WB30 Circular Connectors

WB30,Solder, -40°C~85°C, low resistance, high insulation,30A,500V,500 cycles

Category Insights

The WB Series is a heavy-duty, weatherproof circular connector built for extreme industrial environments. It features a robust zinc alloy shell with corrosion-resistant nickel plating. The triple-start threaded coupling ensures quick, secure mating. Available in 19-38mm sizes with 4-19 contacts. Offers IP68/IP69K protection against dust, water, and high-pressure cleaning. Supports high-current applications up to 40A. Rated for 1,000+ mating cycles. Operates in -40°C to +125°C. Includes 360° EMI shielding. Ideal for demanding mobile equipment and harsh installations.
Used in construction equipment wiring. Common in agricultural machinery. Applied in mining vehicle systems. Found in oil/gas drilling rigs. Suitable for marine deck equipment. Used in railway rolling stock. Perfect for military field gear. Supports fire truck apparatus. Essential for heavy industrial machinery. Ideal for outdoor power distribution.
IP68/IP69K protection rating. Corrosion-resistant metal shell. Vibration-proof design. Chemical-resistant seals. Wide temperature tolerance.
Standard power contacts: 25A. High-current versions: 40A. Signal contacts: 5A. Depends on pin configuration. Verify ampacity charts.
No, uses proprietary interface. Unique contact arrangement. Special mating adapters required. Not interchangeable with standard series.
Annual seal inspection. Contact cleaning every 500 cycles. Thread lubrication. Visual damage checks. Torque verification.
Use correct torque (2.5Nm). Verify O-ring condition. Align keying properly. Perform pull test. Check continuity after mating.