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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
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High-Density Aviation Connector for Industrial Systems

The WY Series 31 pin aviation connector is designed to provide stable and efficient electrical connections in complex industrial systems. With its multi-pin configuration, the connector can transmit multiple signals and power lines within a compact circular interface, making it ideal for equipment that requires reliable and organized wiring.

Aviation connectors are widely used in industrial environments because of their durability, strong locking mechanisms, and long operational lifespan. The WY series continues this tradition by combining a rugged metal housing with precise contact design to ensure stable electrical performance. The 31 pin configuration allows engineers to integrate multiple circuits in a single connector, simplifying cable management and improving system reliability.

This connector is commonly used in automation equipment, communication devices, testing instruments, and industrial control systems where high-density connections are required.

wy 31Pin.jpg

Durable Zinc Alloy Housing for Mechanical Strength

The outer shell of the WY aviation connector is manufactured from high-quality zinc alloy, a material known for its excellent mechanical strength and wear resistance. Compared with plastic connectors, zinc alloy housings offer greater durability and improved protection for internal components.

The robust metal structure helps the connector withstand mechanical stress, vibration, and repeated connection cycles without compromising performance. This makes the WY connector especially suitable for industrial machinery and equipment that operate in demanding environments.

In addition to its strength, zinc alloy also provides effective electromagnetic shielding. This shielding capability helps reduce electromagnetic interference (EMI), ensuring stable signal transmission for sensitive electronic equipment.


Reliable Multi-Pin Contact Design

The WY 31 pin aviation connector features a precisely engineered multi-contact layout designed to ensure secure electrical transmission. Each contact is carefully positioned to maintain stable conductivity and minimize signal loss.

With 31 pins available in a single connector body, this design allows multiple circuits to be integrated into one compact connection point. Engineers can efficiently manage complex wiring systems while reducing the number of connectors required within the equipment.

The reliable contact structure also improves connection stability, helping prevent signal interruption or power loss during operation.


Secure Threaded Locking Mechanism

To guarantee a stable connection, the WY aviation connector uses a threaded locking system that securely fastens the plug and socket together. Once connected, the threaded coupling prevents accidental disconnection caused by vibration, movement, or mechanical impact.

This locking mechanism is easy to operate while still providing a firm and reliable mechanical connection. It also ensures consistent contact pressure between the electrical terminals, which contributes to long-term connection reliability.

The secure locking design makes the WY connector particularly suitable for industrial control equipment, communication systems, and monitoring devices where uninterrupted operation is critical.

wy series 31.jpg

Conclusion

With its compact structure and high connection capacity, the WY 31 pin connector simplifies wiring systems while maintaining reliable electrical performance. For applications that require durable metal connectors and high-density signal transmission, the WY aviation connector is a practical and efficient choice.

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
GX Connectors: Built for Extreme Environments

GX Connectors: Built for Extreme Environments

GX aviation connectors operate from -55°C to +125°C, pass 72-hour salt spray tests, and withstand 10G vibration—outperforming standard connectors in extreme industrial, marine, and vehicle applications. Built for reliability where others fail.
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.
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.

Customer Reviews

   

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Review Title

Review Text

   WY12 for Small Projects!


BlueMoon123  2026-02-01

Fits tight spaces, stable power/signal, super durable. Will repurchase!
   Mighty WY12


CouponKing  2026-02-01

Tiny size, tough build, zero signal drop. Perfect for small gear!
   Top WY24 Connector!


CheerfulBunny  2026-02-01

compact build, zero signal drop—perfect for multi-line setups!
   Solid WY24 for Multi-Signal Control!


HappyShopper99  2026-02-01

These WY124 connectors are a lifesaver for my factory automation gear—24-core design handles all my signal lines in one plug, compact build fits tight panel spaces. Snaps lock tight, no loose connections from vibration, stable transmission non-stop!
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Email: info@kmydconnector.com

MP/WhatsApp: +86-19924482730

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

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