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WY Series 31 Pin Aviation Waterproof Connector

>Number Of CoresNumber Of Cores 31 Pin
Contact DiameterContact Diameter(mm) 0.5
IP RatingIP Rating IP65
Shell MaterialShell Material Zinc alloy with Chrome Plating
Temperature RangeTemperature Range -40°C~+85°C
TerminationTermination Solder/Crimp/Screw
Rated CurrentRated Current(A) 15A
Rated VoltageRated Voltage(Ac.V) 250V
Test VoltageTest Voltage(Ac.V)1Min 1500V
Insulation ResistanceInsulation Resistance (MΩ) 1000
Contact ResistanceContact Resistance (MΩ) ≤ 5 mΩ
CertificationCertification CE,ISO9001, RoHS
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WY Series 31-Pin Aviation Waterproof Connector – High-Density, Industrial & Aerospace Reliability
The WY Series 31-Pin Aviation Waterproof Connector is a high-density circular connector engineered for industrial automation, aerospace, and defense applications that demand reliable, durable, and waterproof connectivity. With a large 31-pin capacity, it is perfect for complex signal, data, and power networks in space-limited installations, providing secure multi-circuit connections in critical systems.


wy 31Pin

Unlike standard aviation connectors, this model emphasizes waterproof performance, mechanical robustness, and factory-backed manufacturing excellence, making it suitable for mission-critical equipment and harsh industrial environments.


Built for Extreme Environments

The WY 31-Pin Connector is designed to withstand:
Dust, moisture, and water exposure with IP67/IP68-rated sealing
High vibration and mechanical shock, ensuring consistent electrical performance
Temperature fluctuations, maintaining conductivity in harsh environments
Heavy-duty operational cycles, perfect for aerospace, defense, and industrial machinery
Its high pin count allows engineers to consolidate multiple lines into a single robust connector, saving space and simplifying maintenance.

wy series 31

Key Features
31 Pin High-Density Design
Ideal for multi-signal, data, and power transmission, reducing the need for multiple connectors
Waterproof Performance
IP67/IP68-rated sealing prevents ingress from water, dust, or corrosive environments.
Durable Circular Housing
Reinforced metal housing resists vibration, impact, and repeated mating cycles.
Precision Contacts
Ensures low resistance, stable signal transmission, and long-term reliability.
Compact & Space-Saving
High pin density in a circular form factor allows efficient panel and device integration.

Factory Strength - Multi-Angle Overview
Our professional manufacturing capabilities make the WY Series 31-Pin Connector highly reliable:
R&D Expertise: Over 15 years of experience in aviation and industrial connector design, with patented technologies for waterproof and high-density connectors.
Connector
Precision Manufacturing: CNC machining, injection molding, and metal stamping ensure tight tolerances and consistent performance.
Connector
Quality Control: Advanced environmental, electrical, and mechanical testing (salt spray, vibration, mating cycles) guarantees durable, field-ready products.
Connector
Vertical Integration: In-house tooling, assembly, and cable integration streamline production, reduce lead times, and maintain high quality.
Connector
Customization Capabilities: Flexible pin layouts, cable lengths, shielding options, and OEM branding tailored to customer requirements.
This combination of engineering expertise, advanced equipment, and rigorous quality systems ensures the WY Series 31-Pin Connector consistently meets the demands of critical aerospace and industrial applications.

Applications
Aerospace avionics and instrumentation
Defense and military control systems
Industrial automation and robotics
Complex sensor networks and monitoring systems
Control panels requiring multi-signal connections
Harsh environment outdoor machinery


Why Choose WY Series 31-Pin Connectors?
The WY Series 31-Pin Aviation Waterproof Connector offers high-density connectivity, waterproof reliability, and rugged durability, backed by a factory with full-scale R&D, precision manufacturing, and vertical integration. This makes it ideal for industrial, aerospace, and defense applications where every connection counts.

Contact Us
We provide samples, technical support, and OEM/ODM customization services.
Reach out today for factory-direct WY Series 31-Pin waterproof aviation connector solutions with guaranteed quality, flexible customization, and competitive pricing.

 Item

 Parameters

 Number of Cores

 31 Pin

 Gender

 Male/Female

 Housing Material

 Aluminum Alloy

 Cores Material

 Brass Plated with Silver

 Insulator Material

 Phenolics

 Locking System

 Snap-On

 Temperature Range

 -40°C ~ +85°C

 Rated Current (A)

 15A

 Rated Voltage (AC.V)

 250V

 Test Voltage (AV.C)1Min

 2000V

 Insulation Resistance ()

 >1000 MΩ

 Contact Resistance ()

 ≤5

 Termination

 Solder/Screw/Crimp

Related Resource


WY Series 31 Pin Aviation Waterproof ConnectorMain Features
Strict Control of Material

Strict Control of Material

GX Aviation Plug features a nickel-plated zinc alloy housing, gold/silver-plated terminals, and flame-retardant insulation. Designed for harsh environments, it ensures high signal integrity, corrosion resistance, and compliance with RoHS/REACH standards, making it ideal for industrial and high-frequency applications.
Engineered for Electrical Excellence

Engineered for Electrical Excellence

GX aviation connectors deliver ≤3mΩ contact resistance, 15A/250V rating, and 98% EMI shielding - exceeding industry standards for high-power, high-stability applications in industrial, automotive, and signal-sensitive environments.
Precision-Built GX Connectors

Precision-Built GX Connectors

GX aviation connectors feature CNC-machined components with ±0.02mm tolerance, vacuum ion gold plating, and multi-stage inspection—delivering smooth mating, lasting performance, and superior reliability over conventional connectors.

Customer Reviews

   

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Shopaholic101  2026-02-01

WY20 is such a reliable pick! Works for indoor and outdoor use, great build quality, stable power/signal. No complaints at all, will buy more for future projects!
   WY12 for Small Projects!


BlueMoon123  2026-02-01

Fits tight spaces, stable power/signal, super durable. Will repurchase!
   Perfect WY20 for Industrial Use!


DiscountQueen  2026-02-01

These WY20 connectors are tough-zinc alloy shell holds up to factory vibration, IP67 waterproof keeps dust/oil out. Snaps lock tight, no loose connections on my automation rigs. Works great non-stop!
   Top Tier WY48 Connector!


AdventurousSoul  2026-02-01

Handles high current, IP67 protection, easy to install—flawless for large setups!
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KMYD Connectors

Tel: +8619924482730

Email: info@kmydconnector.com

MP/WhatsApp: +86-19924482730

Manufacturer Address:Baoan District, Shenzhen City, Guangdong Province,China

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