High-Quality China IP67 2-Pin Waterproof Circular Connector Suppliers - Durable Nylon Series from Trusted Factory Exporters, Factories

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Introducing the 2-Pin Waterproof Circular Connector, expertly crafted for demanding industrial environments. Manufactured by a leading factory in China, this connector exemplifies the highest standards of Plastic Injection Molding precision. Designed to comply with strict IP67 specifications, it guarantees reliable power and signal transmission even in the harshest conditions. The connector features a durable Nylon housing and gold-plated brass contacts, providing exceptional resistance to corrosion, vibration, and moisture. It is the perfect choice for outdoor lighting, industrial automation, and heavy machinery applications where durability is essential. Partner with trusted suppliers to ensure the best quality for your projects.

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Product Description

Product Overview

Designed for rigorous industrial environments, this 2-Pin Waterproof Circular Connector represents the pinnacle of Plastic Injection Molding precision. Engineered by Sunmy Hardware to meet strict IP67 standards, this connector ensures reliable power and signal transmission in harsh conditions. Featuring a robust Nylon housing and gold-plated brass contacts, it offers superior resistance to corrosion, vibration, and moisture. This is an ideal solution for outdoor lighting, industrial automation, and heavy machinery applications where durability is non-negotiable.

Manufacturing Process & Engineering Insight

At Shenzhen Sunmy Hardware, we leverage advanced manufacturing capabilities to produce high-performance interconnect solutions.

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Precision Plastic Injection Molding
The connector shell is manufactured using high-grade Nylon (PA66/Engineering Plastic) via high-precision injection molding machines. This ensures high structural integrity, consistent wall thickness, and zero flash, resulting in a perfectly threaded locking mechanism.
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Material Science
We utilize specialized mold flow analysis to ensure the Nylon material maintains its mechanical strength and thermal stability across a wide temperature range (-20°C to 85°C).
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Contact Assembly
The brass pins are precision-turned and gold-plated to minimize contact resistance (Max 10mΩ) before being securely seated within the molded housing, ensuring they remain fixed even during high-cycle mating.
Key Specifications

Based on the technical data provided, the core specifications for this model (WP-02F1-01-11) are as follows:

Property Specification
Model Number WP-02F1-01-11
Pin Configuration 2 Pins (Male Contacts in Housing)
Rated Current 5 A
Rated Voltage 250 V
IP Rating IP67 Dust Tight & Waterproof
Shell Material High-Quality Nylon (Plastic Injection Molded)
Contact Material Brass (Gold/Nickel Plated)
Contact Resistance 10mΩ Max
Insulation Resistance 100MΩ Min
Withstanding Voltage 1.0 KV (Dielectric)
Operating Temperature -20°C ~ 85°C
Connection Type Molded with Cable / Threaded Locking
Key Features & Advantages
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    Robust Waterproofing
    The IP67 rating ensures the device is fully protected against dust ingress and immersion in water, making it suitable for outdoor and marine applications.
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    Secure Locking System
    Features a thread-locking coupling mechanism with a knurled grip design for easy manual tightening, providing excellent vibration resistance.
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    Superior Conductivity
    Gold-plated brass contacts prevent oxidation and ensure stable signal/power transfer over the product's lifespan.
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    Customization Ready
    As a manufacturer, Sunmy can adjust the injection molding materials (e.g., UV-resistant additives) or cable lengths based on client requirements.
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    High Dielectric Strength
    With a dielectric withstanding voltage of 1.0KV, the connector offers safety and reliability in power applications.
Technical FAQ
Q1: Can Sunmy customize the cable length or molding material for this connector?
A1: Yes. As a direct manufacturer with in-house injection molding capabilities, we offer OEM/ODM services. We can customize the cable assembly length, change the shell material (e.g., to fire-retardant UL94-V0), or modify the color based on your MOQ requirements.
Q2: How do you ensure the IP67 rating during production?
A2: Our quality control process includes rigorous air-tightness testing and immersion testing on batch samples to verify the sealing integrity of the injection-molded shell and internal O-rings.
Q3: What is the typical lead time for an order?
A3: For standard models like the WP-02F1, lead times are typically 7–15 days. For custom injection-molded solutions, lead times may vary depending on mold development and tooling requirements.
Q4: Is this connector compatible with soldering or crimping?
A4: The rear of the pins is designed for solder bucket termination, allowing for a secure and permanent wire connection before the over-molding process or final assembly.
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Frequently Asked Questions
1 What does the IP67 rating mean for this connector?
IP67 means the connector is completely dust-tight (6) and can withstand temporary immersion in water up to 1 meter for 30 minutes (7). This makes the WP-02F1-01-11 suitable for outdoor, marine, and industrial environments where exposure to moisture and particulates is common.
2 What applications is this 2-pin waterproof connector best suited for?
This connector is ideal for outdoor lighting systems, industrial automation equipment, heavy machinery, agricultural machinery, marine electronics, and any application requiring a reliable sealed power or signal connection in demanding environments.
3 Why is gold plating used on the brass contacts?
Gold plating provides excellent corrosion resistance and minimizes contact resistance (Max 10mΩ). This ensures a stable, low-loss electrical connection throughout the product's lifespan, even in humid or chemically aggressive environments.
4 What is the maximum operating temperature range for this connector?
The connector is rated for operation between -20°C and 85°C. The high-grade Nylon (PA66) housing is engineered using mold flow analysis to maintain mechanical strength and thermal stability across this entire range.
5 Does Sunmy Hardware offer OEM or custom connector solutions?
Yes. Sunmy Hardware offers full OEM/ODM services. Customizations include cable assembly length, shell color, UV-resistant or fire-retardant (UL94-V0) materials, and modified pin configurations — all subject to minimum order quantity (MOQ) requirements.
6 How does the threaded locking mechanism improve reliability?
The knurled, thread-locking coupling mechanism allows secure manual tightening without tools. Once locked, the connection is highly resistant to vibration and mechanical shock, preventing accidental disconnection in mobile or high-vibration industrial applications.

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