Reliable Soldering: Designed for stability, the connector's permanent soldering connections eliminate the risks of loosening, making it a perfect fit for applications demanding unwavering connections. Its contribution to enhanced electrical performance, reducing resistance and amplifying signal transmission efficiency, cannot be understated. Note: Maximum operation time per point is 3 seconds. 4 PIN Waterproof Connector Specs: Capable of supporting 2.5-4.0mm²/14-12AWG cable with a diameter of ≤Φ10.0-12.0mm. It handles 20A current, 500V voltage, and withstands 2000V. Contact resistance is <1.0mΩ, insulation resistance is >500MΩ. The connector is designed for over 500 cycles at temperatures ranging from -25°C to 85°C. Contact Diameter × Number: Φ2.7x4. Note: Avoid charging during insertion. Dependable Connectivity: Enhanced partitioned pins provide foolproof protection against misconnections, guaranteeing consistent and trustworthy performance. The plug-and-play design streamlines system integration and simplifies troubleshooting. Achieving an IP68 Mated Protection rating effectively safeguards against dust, moisture, and various environmental factors, assuring a secure and uninterrupted connection. Premium Durability: Crafted from high-quality materials, the aviation connector's PBT shell and insulated parts combine metal and high-performance engineering plating for guaranteed longevity. Copper Alloy and Gold Plating in the contact points ensure excellent conductivity. An additional layer of protection is provided by Silica Gel sealing. Versatile Industrial Applications: The YM20 connector excels at high-current and signal handling, making it ideal for power-hungry applications like machinery, industrial networks, and instruments. Applicable to industrial equipment, outdoor sensors, communication devices, and more. CNLINKO YM-20 4 PIN Industrial Waterproof Connector,IP67 Circular Connector,PBT Plastic Shell Quick Plug Aviation Connector M20 Male Plug and Female Plug