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M Series Industrial Connectors for Rail, Automotive and Marine Applications

>Number Of CoresNumber Of Cores 2-37Pin
Contact DiameterContact Diameter(mm) 0.5mm-2.5mm
IP RatingIP Rating IP68
Shell MaterialShell Material Brass with Plated-Nickel
Temperature RangeTemperature Range -55℃ ~ +150℃
TerminationTermination Solder/Crimp
Rated CurrentRated Current(A) 1A-20A
Rated VoltageRated Voltage(Ac.V) 50V-1000V
Test VoltageTest Voltage(Ac.V)1Min 1000V-3000V
Insulation ResistanceInsulation Resistance (MΩ) ≥100MΩ
Contact ResistanceContact Resistance (MΩ) ≤20MΩ
CertificationCertification CE, RoHS,BASCI,ISO9001
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M Series Connectors for Maritime Applications: Full-Range, Corrosion-Resistant Solutions

In the harsh maritime environment—where saltwater corrosion, constant vibration, extreme temperature fluctuations, and strict safety regulations are unavoidable—reliable connectivity is the lifeline of marine operations. Our full-range M Series Connectors are engineered specifically for maritime applications, delivering industry-leading corrosion resistance, robust waterproof performance, and flexible configurations (including multiple mainstream models and core count options) to power critical systems on ships, offshore platforms, and marine vessels.

M12 Connector


Full Range of M Series Connector Models & Multi-Core Options for Maritime Use
We offer a complete portfolio of M Series connectors(M5/M8/M10/M12/M18), covering mainstream models with diverse core count selections to match the precise needs of different maritime systems. All models are optimized for saltwater, humidity, and vibration resistance.
Indutrial Connector

Why M Series Connectors Are Trusted for Maritime Applications

1. Maritime-Specific Durability and Corrosion Resistance

Saltwater and Corrosion Protection: Shell materials include nickel-plated brass and engineering plastics with anti-corrosion coatings, passing 1000+ hours of salt spray testing.


Waterproof and Dustproof: IP68 protection, effectively preventing seawater intrusion, even in high-pressure washing scenarios (e.g., ship deck cleaning).
Circular Connector

2. Reliable Electrical Performance in Extreme Maritime Environments
Wide Temperature Tolerance: Operates stably from -55℃ (arctic marine areas) to +150℃ (engine room high-temperature zones), ensuring connectivity in extreme cold and heat.

Stable Signal and Power Transmission: Low contact resistance (≤15mΩ initial), high insulation resistance (≥100MΩ at 500V DC), and 1500~3000V AC test voltage, preventing signal loss and electrical failures.

EMI/RFI Shielding: 360° full shielding design eliminates interference from marine radar, communication systems, and other electronic equipment, ensuring clear data transmission.

M8 Connector


3. Flexible Configurations for Diverse Maritime Needs
Multi-Core Versatility: 3~37 core options cover all maritime application scenarios, from small-signal sensors to high-density multi-channel control systems.

Multiple Termination Methods: Supports crimp, weld, and PCB soldering connections, with anti-loosening threaded locking structures to prevent accidental disconnections due to ship vibration.

Marine-Grade Insulation: Insulation materials (PA66/PBT/PEI) are oil-resistant, chemical-resistant, and flame-retardant (compliant with UL94 V-0), adapting to complex engine room and offshore environments.
M12-6.jpg

Key Maritime Application Scenarios
Navigation and Communication Systems: GPS navigation equipment, radar systems, marine satellite communication links, VHF radio connections.

Engine Room and Propulsion Systems: Engine control units, fuel system sensors, cooling system monitors, propulsion system signal transmission.

Deck and Offshore Equipment: Crane control circuits, winch systems, offshore platform monitoring sensors, deck lighting and power connections.

Passenger and Crew Areas: On-board entertainment system wiring, emergency lighting control, fire alarm sensor connections, HVAC systems.

Trust M Series Connectors for Your Maritime Projects
Every M Series maritime connector undergoes rigorous pre-shipment testing, including salt spray, vibration, high-temperature, and waterproof validation, ensuring long-term reliability in the harshest marine environments. We also offer custom core count and cable length solutions to meet specialized maritime project requirements and dedicated technical support team with rich maritime industry experience.

Contact our team today to request a custom quote, sample, or technical datasheet, and equip your marine vessels with connectors built for the challenges of the sea.

Item

Parameters

Number of Cores

2-37Pin

Gender

Male/Female

Housing Material

Brass with Nickel Plated

Cores Material

Brass Plated with Silver/Gold

Insulator Material

PA66

Locking System

Screw Locking

Temperature Range

-55℃, +150℃

Rated Current (A)

1A-20A

Rated Voltage (AC.V)

50V-1000V

Test Voltage (AV.C)1Min

1000V-3000V

Insulation Resistance ()

≥100MΩ

Insulation Resistance ()

≤20

Termination

Solder/Crimp


Related Resource


Related Cases
KMYD Connectors KNOWS WHAT YOU NEED,
M Series Industrial Connectors for Rail, Automotive and Marine Applications Market Leader!
Related Application

Customer Reviews

   

Score
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Review Title

Review Text

   Reliable Panel Mount


DreamyMap  2026-02-04

SP20 panel-mount connectors install cleanly and provide secure, vibration-resistant contact.
   Solid Industrial Plug


GhostCart  2026-02-04

SP16 Connectors feel robust, mate smoothly, and maintain stable performance under load.
   Heavy-Duty Performance!!!


TurboCompass  2026-02-04

M11 Connectors are tough, durable, and built for industrial use.
   Long Service Life


DriftPixel  2026-02-04

M12 Connectors maintain performance even after repeated use.
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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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