YMC Series Marine Anti-Corrosion Waterproof Electrical Connectors

1.Features a bayonet quick-connect structure for fast and secure mating
2.Designed for electrical connections in harsh environments like dampness and water immersion
3.Achieves 50m deep-water sealing after plug-socket engagement
4.Supports crimp or solder termination for plugs, and solder termination for sockets
5.Equipped with five-position orientation for blind mating and anti-misplugging
6.Uses high-reliability double-curved wire spring sockets for smooth insertion and low contact resistance
7.Supports both pin and hole mounting for plugs and sockets
OEM/ODM customization supported
Product Description

YMC Series Marine Anti-Corrosion Waterproof Electrical Connectors

When you need a reliable connection solution for critical marine and offshore applications, the YMC Series Marine Anti-Corrosion Waterproof Electrical Connectors stand out as the industry’s most robust choice. Our advanced connector series combines military-grade sealing with exceptional corrosion resistance, making it perfect for shipboard systems, subsea equipment, and harsh-environment industrial installations. With our deep expertise in high-performance interconnection systems, MXTD delivers proven solutions that meet the most demanding requirements for waterproof, corrosion-resistant, and vibration-stable marine equipment.

Product Descriptions from the Supplier

Our YMC Series connectors meet enterprise standard Q/21EJ184, engineered for the most demanding marine and offshore applications. Each unit features double-curved wire spring contacts, ensuring reliable electrical connections even in high-vibration, saltwater environments.

The robust design offers impressive sealing performance with 0–50m deep-water sealing after mating, far exceeding standard marine connector capabilities. Every connector includes a corrosion-resistant housing with optional stainless steel, copper alloy, or aluminum alloy construction for enhanced durability.

We offer comprehensive coverage with multiple contact specifications: Φ1.0, Φ1.5, Φ2.0, and Φ3.0mm, supporting rated currents from 5A to 40A. Our termination options feature crimp or solder plug designs and solder socket designs, specifically engineered for compatibility with shipboard and offshore equipment installation requirements.

Description

The YMC Series Marine Anti-Corrosion Waterproof Electrical Connectors are precision-engineered components designed to deliver uninterrupted electrical performance in the most challenging marine environments. Built to meet the stringent requirements of enterprise standard Q/21EJ184, this series integrates a bayonet quick-locking mechanism and a double-curved wire spring contact system—a combination that ensures low contact resistance, high mating stability, and resistance to extreme shock (980m/s²) and vibration (196m/s²).

Engineered for maximum environmental resilience, the YMC Series features a fully sealed structure that achieves 50m deep-water sealing after mating, providing superior protection against seawater ingress. Its five-position orientation pins eliminate misplugging risks in complex shipboard systems, while the anti-slip design prevents accidental disconnection under dynamic loads.

The series offers premium housing materials: stainless steel (passivation treatment for maximum corrosion resistance), copper alloy (nickel-plated), or aluminum alloy (chemical plating for lightweight solutions). This material diversity ensures exceptional corrosion resistance—stainless steel variants withstand 1000 hours of salt spray, while copper alloy models endure up to 500 hours. With four contact sizes (Φ1.0–Φ3.0mm) covering rated currents from 5A to 40A, the YMC Series supports both low-power signal transmission and moderate-power power supply in a single connector.

Flexible installation is a core advantage: the connectors support both pin and hole mounting for plugs and sockets, with crimp or solder termination options for plugs and solder termination for sockets. Whether deployed in shipboard communication systems, offshore platform equipment, or subsea detection devices, the YMC Series guarantees long-term reliability with a mechanical life of 1000 mating cycles.

Specifications

Item Specification
Housing Material Stainless steel (passivated); Copper alloy (nickel-plated); Aluminum alloy (chemical plating)
Insulator Thermoset material
Sealing Line & Sealing Ring Silicone rubber
Contacts Copper alloy (gold-plated)
Sine Vibration Frequency: 10–2000Hz; Acceleration: 196m/s²
Shock Acceleration: 980m/s²
Constant Acceleration 980m/s²
Mechanical Life 1000 mating cycles

Applications

  • Marine Engineering: Shipboard power systems, navigation equipment, communication systems, hull detection sensors
  • Offshore Oil & Gas: Offshore platform electrical equipment, subsea pipelines, underwater operation tools
  • Underwater Detection: Underwater robots, sonar equipment, marine environmental monitoring devices
  • Coastal Infrastructure: Coastal power stations, port machinery, tidal power generation equipment
  • Military Marine: Naval vessel systems, amphibious equipment, underwater military detection devices
  • Aquatic Engineering: Underwater construction machinery, aquaculture monitoring systems

Functionality

  • Bayonet Quick-Locking: Instant mating/unmating with a secure lock to prevent accidental disconnection.
  • Double-Curved Wire Spring Contacts: Ensures low contact resistance and stable connectivity under vibration/shock.
  • 50m Deep-Water Sealing: Full protection against seawater ingress for long-term underwater operation.
  • Anti-Misplug Orientation: 5-position positioning pins eliminate incorrect mating and component damage.
  • Corrosion Resistance: Special surface treatment (passivation/nickel plating/chemical plating) for long-term use in salt spray environments.
  • Flexible Termination: Supports crimp or solder termination for plugs, and solder termination for sockets.
  • Current Diversity: 4 contact sizes cover 5A–40A, adapting to signal and power transmission needs.

Key Features

  • Marine-Grade Reliability: Complies with Q/21EJ184, engineered for extreme marine and offshore environments.
  • Superior Environmental Resistance: 50m waterproof, -55°C to +200°C temperature range, and up to 1000h salt spray resistance.
  • Shock & Vibration Proof: Withstands 980m/s² shock and 196m/s² vibration for dynamic stability.
  • Low Contact Resistance: Gold-plated copper alloy contacts ensure minimal signal loss and long service life.
  • Error-Proof Design: 5-position orientation and bayonet lock prevent misplugging and disconnection.
  • Broad Current Range: Φ1.0–Φ3.0mm contacts support 5A–40A, meeting diverse power/signal needs.
  • Versatile Termination: Crimp or solder options for plugs, and solder for sockets, for flexible integration.

Custom Design

MXTD offers tailored customization for the YMC Series to fit your unique marine application requirements:

  • Contact Customization: Custom contact size combinations, current ratings, and gold-plating thickness for specialized signal/power needs.
  • Housing Modifications: Custom shell materials (special alloys), surface treatments (custom plating colors), and structural adjustments.
  • Sealing Upgrades: Custom sealing materials (fluororubber, silicone) for extreme temperatures or chemical corrosion environments.
  • Termination Adaptations: Custom crimp or solder specifications for unique installation scenarios.
  • Orientation Customization: Custom positioning pin layouts for exclusive system compatibility and anti-counterfeiting.
  • Cable Assembly: Pre-assembled marine-grade cable connectors with waterproof cable glands and armored cables for deep-sea use.

Custom Design

Why Choose MXTD

  • Authorized JONHON Partner: We supply 100% genuine YMC Series connectors, guaranteed to meet enterprise standard Q/21EJ184.
  • Marine Application Expertise: Our engineering team has in-depth experience in marine connector solutions, providing professional matching guidance.
  • Rigorous Quality Testing: Every connector undergoes waterproof, vibration, corrosion, and electrical performance testing before delivery.
  • Customization Capabilities: Fast response to custom design needs, delivering tailored solutions for complex marine projects.
  • Global Supply Chain: Efficient logistics ensure on-time delivery to shipyards, offshore platforms, and global marine engineering projects.
  • Professional Technical Support: 24/7 engineering guidance for product selection, installation, and after-sales troubleshooting.

Certifications and Certificates

Logistics and Transportation

FAQ

Q: What standards do the YMC Series connectors comply with?

A: They strictly comply with JONHON’s enterprise standard Q/21EJ184.

Q: What is the waterproof rating of the YMC Series?

A: The connectors achieve 0–50m deep-water sealing after proper mating, suitable for most underwater and marine applications.

Q: Can aluminum alloy connectors be used in long-term saltwater environments?

A: Aluminum alloy connectors have a 48h salt spray resistance rating, recommended for mild marine environments. For long-term saltwater immersion, we suggest stainless steel or copper alloy variants.

Q: What is the maximum rated current of the YMC Series?

A: The largest contact size (Φ3.0mm) supports a rated current of 40A, suitable for moderate-power applications.

Q: How to prevent misplugging of the connectors?

A: The series is equipped with 5-position orientation pins, ensuring correct alignment and preventing incorrect connections.

Q: What termination options are available for the YMC Series?

A: Plugs support crimp or solder termination, while sockets use solder termination for secure connections.

Q: Can I customize the contact configuration of the connector?

A: Yes, MXTD offers custom contact size combinations, layouts, and current ratings to meet your specific marine system needs.

Contact us

Contact Us

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When you choose our YMC Series Marine Anti-Corrosion Waterproof Electrical Connectors, you're investing in proven technology backed by comprehensive support. Contact us today to learn how we can enhance your next project.

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