Industrial-grade circular waterproof connector harness

Main Features:

This series of industrial‑grade circular waterproof connector harnesses is an integrated cable‑connection solution specifically designed for harsh operating environments. It features precision‑molded circular plug connectors paired with weather‑resistant, flame‑retardant cables, and incorporates multiple sealing layers to achieve IP‑rated water and dust protection. The connectors support multi‑core power and signal transmission, offering excellent vibration resistance, corrosion protection, and a long service life. They can operate reliably over extended periods in demanding conditions such as high temperatures, high humidity, and dusty environments, making them ideal for industrial control equipment, sensors, instrumentation, outdoor devices, and other applications—providing highly dependable electrical connectivity between devices.

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Category:

Wire Harness Modules

Keyword: Industrial-grade circular waterproof connector harness

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Key Features

Industrial-grade metal connector It features a high-strength, corrosion-resistant metal housing with an anti-oxidation surface treatment, offering excellent resistance to corrosion, impact, and electromagnetic interference, making it well-suited for harsh industrial environments.
Multi-seal waterproof design The connector features multiple internal sealing O-rings and a cable‑crimping waterproof design, achieving an ingress protection rating of IP67/IP68. It provides effective water and dust resistance while preventing loosening and poor electrical contact.
High-reliability contact performance Gold- or silver-plated contacts, with low contact resistance and excellent conductivity; insertion/extraction life ≥ 1,000 cycles; resistant to oxidation and loosening even after prolonged use.
Weather-resistant and flame-retardant cable : Uses high- and low-temperature resistant, flame-retardant, and aging-resistant cables, compatible with a wide temperature range of -40°C to +105°C, ensuring long-term use without cracking or degradation.
Anti-misinsertion and Positioning Design : Features a positioning-key structure to prevent misconnection and reverse connection, enhancing assembly and operational safety.
Excellent electrical performance : High insulation resistance, excellent dielectric strength, stable transmission of power and signals, and strong anti-interference capability.
Integrated wiring harness design The connector and cable are manufactured using specialized crimping and injection-molding processes, ensuring a secure connection with high tensile strength, resistance to disconnection, and suitability for the long-term operational demands of connected devices.
A wide range of customized specifications : Supports personalized customization of core count, wire gauge, cable length, and protection rating, catering to the connection requirements of various devices.
Environmental Compliance Support : Compliant with RoHS and REACH environmental standards, lead-free manufacturing, and meets global market regulatory requirements.

Typical application scenarios

Industrial control field : Power and signal connections for industrial automation equipment, PLC control systems, and servo motors.
Sensor and Instrumentation Field : Signal and power interface connections for industrial sensors, test instruments, and medical devices.
Outdoor and Security Fields : Waterproof connection solutions for outdoor equipment, security surveillance systems, and LED display devices.
Automotive and Transportation Sector : Vibration-resistant and corrosion‑resistant electrical connections for onboard equipment and rail transit systems.
Other scenarios : Various types of equipment and devices that require waterproofing, vibration resistance, and highly reliable electrical connections.

Technical Specifications

Connector Type: Circular aviation plug connector, multi‑core configuration (the illustration shows a 5‑core version; other core counts are available upon request)
Housing material: corrosion-resistant metal alloy with an anti-oxidation surface treatment.
Protection Rating: IP67/IP68 (waterproof and dustproof; customizable upon request)
Contact material: copper alloy, gold- or silver-plated; oxidation-resistant with low contact resistance.
Rated current: Matches the number of conductors and wire gauge (typical for single‑core: 3 A to 10 A; customizable)
Rated voltage: AC/DC 250 V (higher ratings available upon request)
Insulation resistance: ≥1000 MΩ
Withstand Voltage Performance: AC 1500 V for 1 min, no breakdown.
Cable material: weather-resistant, flame-retardant cable; temperature rating: -40°C to +105°C.
Cable specifications: Conductor cross-section 0.2–1.0 mm² (customizable upon request)
Insertion/Removal Durability: ≥1000 cycles
Environmental Compliance: RoHS and REACH compliant; lead-free manufacturing process.

Customized Services

We offer end-to-end, customized connector harness services and can provide the following tailored solutions based on your equipment requirements:

Customizable options for core count, current rating, and voltage level, tailored to meet diverse power and signal‑transmission requirements.
Targeted optimization of connector protection ratings, housing materials, and surface treatments to suit diverse operating conditions, such as highly corrosive or extremely humid environments.
Customizable cable diameter, length, and material to meet the wiring space and electrical requirements of various devices.
We offer mass production and rapid prototyping services, along with comprehensive connector selection, wire harness design, and test reports, helping customers efficiently develop electrical connection solutions for their equipment.

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