Miniature M10 Subsea Connectors – Blue Robotics End Cap Direct Replacement

Product Overview

The HYSF SUBSEA Miniature M10 Subsea Connector Series is a compact underwater electrical connector solution designed for direct mechanical integration into compatible Blue Robotics M10 end-cap mounting interfaces.Featuring an M10 × 1.5 mounting thread, this connector series provides a compact electrical connection solution for underwater equipment requiring reliable power and signal transmission through sealed pressure housings.Unlike conventional cable penetrators that only provide a sealed passage for an electrical cable, HYSF M10 connectors integrate electrical contact interfaces into a compact bulkhead assembly, allowing external subsea cables to be connected and disconnected without passing the entire cable through the equipment housing.The series is available in 2-pin, 3-pin, 4-pin, 6-pin, and 8-pin configurations, providing flexibility for different electrical and instrumentation requirements.One of the main advantages of this product family is its choice of four metal housing materials:

316L Stainless Steel
Titanium Alloy
Naval Brass (Marine Bronze)
Aluminum Alloy

These material options allow equipment manufacturers to select the most appropriate combination of corrosion resistance, mechanical strength, weight, and project budget.Designed for demanding underwater applications, the HYSF M10 connector series supports operating depths of up to 6,000 meters (60 MPa), subject to the specified connector configuration and complete assembly qualification.The series is particularly suitable for Blue Robotics-based underwater equipment, ROVs, AUVs, underwater sensor systems, subsea cameras, marine research instruments, and compact pressure housings.Whether you are upgrading an existing Blue Robotics enclosure or developing a new subsea instrument, HYSF M10 connectors provide a flexible alternative to conventional M10 electrical penetrator solutions.

Key Features and Advantages

1. Direct Mechanical Replacement for Blue Robotics M10 End-Cap Interfaces

The HYSF M10 connector series is precision-engineered around an M10 × 1.5 mounting thread for integration into compatible Blue Robotics end-cap mounting interfaces.Its compact mounting configuration makes it suitable for equipment manufacturers and ROV users who want to replace conventional cable penetrators with functional electrical bulkhead connectors.Key advantages include:

M10 × 1.5 mounting thread
Compact bulkhead installation
Designed for compatible Blue Robotics end-cap interfaces
Multiple electrical contact configurations
Four metal housing material options
Suitable for customized subsea cable assemblies

Unlike a conventional cable penetrator, an electrical bulkhead connector provides a detachable external electrical mating interface.This allows users to connect or disconnect external underwater equipment without removing the complete internal cable assembly.Compatibility Note: HYSF SUBSEA is an independent connector manufacturer. This product is a compatible replacement solution, not an original Blue Robotics product. Verify the exact end-cap hole dimensions, mounting geometry, thread engagement, and sealing arrangement before installation.

2. Five Pin Configurations for Different Applications

The HYSF Miniature M10 series is available in five contact configurations:

2-Pin
3-Pin
4-Pin
6-Pin
8-Pin

This selection allows customers to choose the appropriate connector according to the number of electrical circuits required by their underwater equipment.2-Pin ConfigurationSuitable for basic two-conductor electrical connections, auxiliary power, and compact underwater instruments.3-Pin ConfigurationSuitable for three-conductor electrical connections, including selected power, grounding, and sensor applications.4-Pin ConfigurationA versatile option for compact subsea equipment requiring multiple power or signal conductors.6-Pin ConfigurationSuitable for multi-channel sensor connections, underwater instrumentation, and auxiliary control circuits.8-Pin ConfigurationDesigned for applications requiring a higher number of electrical connections through a compact bulkhead interface.The contact arrangement and electrical ratings should be confirmed according to the selected configuration.

3. Four Metal Housing Materials Available

Different underwater applications require different material properties.HYSF SUBSEA offers four housing material options to accommodate different environmental, mechanical, and weight requirements.316L Stainless Steel316L stainless steel provides good corrosion resistance and mechanical strength for marine and underwater applications.Advantages include:

Good resistance to seawater corrosion
Durable mechanical construction
High structural strength
Suitable for general marine equipment
Good long-term material stability

It is a practical choice for customers seeking a durable stainless steel underwater connector.Titanium AlloyTitanium alloy offers an excellent strength-to-weight ratio and strong corrosion resistance in seawater environments.Advantages include:

Excellent corrosion resistance
High strength-to-weight ratio
Reduced equipment weight compared with stainless steel
Suitable for demanding subsea environments
Appropriate for weight-sensitive underwater equipment

Titanium is particularly useful for advanced underwater robotic systems and specialized marine research instruments.Naval Brass (Marine Bronze)Naval brass is a marine-grade copper alloy commonly used in marine engineering applications.Its advantages include:

Good machinability
Good mechanical properties
Suitable for marine equipment applications
Alternative material option for customized subsea connectors

Material compatibility and galvanic corrosion should be evaluated according to the surrounding equipment materials and seawater exposure.Aluminum AlloyAluminum alloy is a lightweight option for compact subsea equipment.Advantages include:

Low material weight
Good machinability
Suitable for lightweight underwater housings
Convenient mechanical integration
Potential cost advantages

The exact aluminum alloy and surface treatment should be confirmed for the intended application.When selecting aluminum connectors for seawater exposure, appropriate corrosion protection and galvanic compatibility should be considered.

4. Deep-Sea Pressure Capability up to 6,000 Meters

The HYSF M10 Subsea Connector Series is designed for demanding underwater environments with a specified pressure capability of up to 60 MPa, corresponding to approximately 6,000 meters of seawater depth.This makes the series suitable for consideration in applications involving:

Deep-water ROVs
Autonomous underwater vehicles
Oceanographic research equipment
Subsea sensor modules
Underwater cameras
Deep-sea monitoring systems
Offshore inspection equipment
Marine scientific instruments

The connector housing and sealing system are designed to support reliable electrical integration in appropriately qualified subsea assemblies.The actual working depth depends on the selected contact configuration, housing material, cable termination, mating connector, sealing design, and installation conditions.For critical applications, the complete connector assembly should be verified through the applicable pressure testing and engineering qualification procedures.

5. Gold-Plated Electrical Contacts

The HYSF M10 connector series uses gold-plated electrical contacts.Gold plating provides a conductive mating surface and helps reduce oxidation at the electrical contact interface.This is important for underwater systems where stable electrical connections are required for power distribution, sensors, instrumentation, and control circuits.The contact arrangement can be configured according to the selected pin count and electrical requirements.For customized electrical applications, the following parameters should be confirmed:

Rated operating voltage
Continuous operating current
Contact configuration
Conductor cross-sectional area
Electrical insulation requirements
Pin-to-wire assignment

Electrical ratings are configuration-dependent and should be confirmed for the specific connector model.

6. Compact M10 × 1.5 Mounting Design

The M10 × 1.5 mounting thread provides a compact mechanical interface for compatible underwater end caps.This design is particularly useful for Blue Robotics-style pressure housings where installation space is limited.The mounting arrangement helps simplify integration into compact underwater equipment while allowing an external electrical mating connection.Important installation parameters include:

M10 × 1.5 thread compatibility
End-cap through-hole diameter
Thread engagement length
O-ring sealing geometry
Internal clearance
External mating clearance
Installation torque

The final mounting dimensions should be verified against the approved engineering drawing before machining or modifying an equipment end cap.

7. Inline and Bulkhead Cable Configurations

The HYSF M10 series supports different cable configurations according to the equipment installation.Inline Cable ConnectorThe standard inline cable configuration is supplied with approximately 1.0 meter of cable.It provides an external electrical connection for suitable underwater equipment.Bulkhead ConnectorThe standard bulkhead configuration is supplied with approximately 0.3 meter of internal wire leads.These leads can be connected to internal electronics, circuit boards, power distribution terminals, or other equipment inside the pressure housing.Customized cable lengths and termination arrangements can be considered according to project requirements.

8. Flexible Electrical and Mechanical Customization

Different underwater projects may require specific electrical configurations and mechanical arrangements.HYSF SUBSEA supports customization according to the application requirements.Available customization options include:

2-pin, 3-pin, 4-pin, 6-pin, and 8-pin configurations
316L stainless steel housing
Titanium alloy housing
Naval brass housing
Aluminum alloy housing
Customized cable lengths
Customized conductor specifications
Customized mounting threads
Customized electrical ratings
Customized wiring identification

This flexibility makes the M10 series suitable for OEM manufacturers, underwater robotics companies, marine research institutions, and subsea equipment developers.

9. Low Mixed-Configuration MOQ

HYSF SUBSEA offers a flexible minimum order quantity of 20 pieces in total for mixed pin configurations.Customers can combine different contact configurations within one order.For example:

8 pcs of 4-pin connectors
12 pcs of 6-pin connectors
Total quantity: 20 pcs

This mixed-order arrangement helps customers evaluate multiple configurations without committing to a large quantity of a single model.Material combinations and production arrangements should be confirmed before order placement.

Technical Specifications

Parameter	Specification
Brand	HYSF SUBSEA
Product Family	Miniature M10 Subsea Connectors
Product Type	Electrical Bulkhead / Inline Connectors
Mounting Thread	M10 × 1.5
HYSF Reference Through-Hole	10.3 mm
Available Pin Counts	2 / 3 / 4 / 6 / 8 Pins
Housing Material Options	316L Stainless Steel / Titanium / Naval Brass / Aluminum Alloy
Contact Finish	Gold-Plated
Pressure Rating	Up to 60 MPa
Design Depth Capability	Up to 6,000 Meters
Standard Inline Cable Length	1.0 Meter
Standard Bulkhead Wire Length	0.3 Meter
Electrical Ratings	Configuration-Dependent
Custom Cable Length	Available
Custom Mounting Threads	Available Subject to Engineering Review
Custom Electrical Ratings	Available Subject to Engineering Review
Minimum Mixed Order Quantity	20 Pieces
Warranty	12 Months

Engineering Note: The 10.3 mm through-hole dimension is the reference listed by HYSF for this product. Blue Robotics installation documentation specifies 10.0–10.2 mm for its M10 clearance-hole configuration. Confirm the exact drawing and installation arrangement before machining. The pressure rating must also be verified for the complete connector and equipment assembly.

Material Selection Guide

Choosing the correct material is important for subsea equipment reliability.

Material	Main Advantage	Recommended Considerations
316L Stainless Steel	Mechanical strength and marine corrosion resistance	General marine applications
Titanium Alloy	High strength-to-weight ratio and seawater corrosion resistance	Weight-sensitive and demanding subsea equipment
Naval Brass	Marine engineering material and good machinability	Material compatibility and galvanic corrosion
Aluminum Alloy	Lightweight and easy mechanical integration	Alloy grade, protective treatment, and galvanic compatibility

For underwater installations, material selection should consider not only the connector itself but also the surrounding end cap, mounting hardware, and other wetted components.

Typical Applications

1. Blue Robotics ROV Systems

The M10 mounting interface makes this connector family suitable for compatible Blue Robotics-style underwater equipment.It can be considered for replacing cable penetrators with detachable electrical bulkhead connections.Potential applications include:

ROV camera connections
Sensor connections
Auxiliary equipment
Underwater lighting
External electrical interfaces
Custom ROV payloads

2. Autonomous Underwater Vehicles (AUVs)

AUV manufacturers frequently require compact electrical connectors for sensors and modular electronic equipment.The M10 series provides multiple contact configurations and material options for different equipment requirements.

3. Underwater Cameras

Underwater camera systems may require compact power and signal interfaces.The M10 series can provide detachable electrical connections for compatible camera housings and external equipment.

4. Marine Sensors and Instrumentation

The 2-pin to 8-pin configurations provide options for suitable sensor and measurement applications.Potential applications include:

CTD sensors
Sonar equipment
Hydrophones
Environmental monitoring
Oceanographic instruments
Underwater measurement systems

5. Subsea Electronic Housings

The M10 bulkhead configuration can be integrated into compatible pressure housing end caps.Its detachable external connection simplifies cable replacement and equipment servicing.

6. Offshore and Marine Engineering

The four available metal materials allow equipment designers to select a suitable connector housing for different marine environments and mechanical requirements.Applications include subsea monitoring, offshore inspection, and specialized underwater equipment.

7. Scientific and Research Equipment

Marine research instruments often require customized contact configurations and lightweight or corrosion-resistant materials.The M10 connector family provides flexible options for scientific equipment manufacturers and research organizations.

Installation Guidelines

Step 1: Verify the End-Cap Interface

Confirm the M10 × 1.5 mounting thread, installation-hole diameter, thread engagement, and end-cap thickness.Use the approved drawing for the exact Blue Robotics enclosure or compatible housing.

Step 2: Select the Housing Material

Choose 316L stainless steel, titanium alloy, naval brass, or aluminum alloy according to the application.Evaluate galvanic corrosion risks when different metals are installed together in seawater.

Step 3: Select the Contact Configuration

Choose the required 2-pin, 3-pin, 4-pin, 6-pin, or 8-pin version.Verify the electrical requirements before production.

Step 4: Inspect the Sealing Components

Check the O-ring, sealing surfaces, and mounting interface for contamination or damage.Use the approved sealing procedure and compatible lubricant where specified.

Step 5: Install the Bulkhead Connector

Install the connector into the prepared end cap according to the approved mechanical drawing and tightening procedure.Avoid excessive tightening.

Step 6: Connect the Internal Wiring

Connect the internal wire leads according to the approved pin assignment.Perform continuity and insulation checks before closing the equipment housing.

Step 7: Verify the Complete Assembly

Perform the required electrical and pressure tests before underwater deployment.The final pressure qualification should consider the connector, end cap, O-ring, mating component, and complete enclosure.

Quality Control and Testing

HYSF SUBSEA manufactures underwater electrical connectors and customized subsea interconnection assemblies.Depending on the ordered configuration and project requirements, quality-control procedures may include:

Visual inspection
Dimensional inspection
Thread verification
Electrical continuity testing
Insulation resistance testing
Contact resistance testing
O-ring sealing inspection
Cable termination verification
Hydrostatic pressure testing
Mechanical integrity inspection

Testing requirements and acceptance criteria depend on the selected connector configuration and intended operating conditions.

Frequently Asked Questions

Q1: Are HYSF M10 connectors compatible with Blue Robotics end caps?

The HYSF M10 series is designed around an M10 × 1.5 mounting thread for compatible Blue Robotics end-cap interfaces.Verify the exact end-cap hole diameter, thread arrangement, and sealing geometry before installation.

Q2: What is the mounting thread?

The standard mounting thread is M10 × 1.5.

Q3: Which pin configurations are available?

The series is available in 2-pin, 3-pin, 4-pin, 6-pin, and 8-pin configurations.

Q4: What housing materials are available?

Four material options are available:

316L Stainless Steel
Titanium Alloy
Naval Brass
Aluminum Alloy

Q5: What is the maximum working depth?

The series is designed for applications up to 6,000 meters, corresponding to approximately 60 MPa, subject to the approved configuration and complete assembly qualification.

Q6: What is the standard inline cable length?

The standard inline cable length is approximately 1 meter.

Q7: What is the standard bulkhead wire length?

The standard internal wire length is approximately 0.3 meter.

Q8: Can I mix different pin configurations in one order?

Yes. HYSF supports a mixed-configuration minimum order quantity of 20 pieces in total, subject to confirmation of the selected specifications.

Q9: Can the mounting material be customized?

Yes. The standard material options include stainless steel, titanium alloy, naval brass, and aluminum alloy.

Q10: Can the cable length be customized?

Yes. Customized cable lengths and termination arrangements can be evaluated according to the equipment requirements.

Q11: Are the electrical ratings the same for all pin configurations?

Not necessarily. Electrical ratings depend on the selected contact configuration, conductor specifications, and complete connector assembly.

Q12: Can these connectors replace conventional cable penetrators?

The M10 electrical bulkhead configuration can replace a compatible cable penetrator installation when the end-cap interface and sealing arrangement are suitable.Unlike a conventional cable penetrator, the electrical connector provides a detachable external electrical mating interface.

Q13: Are these original Blue Robotics products?

No. HYSF SUBSEA is an independent manufacturer offering compatible M10 mounting solutions. These products are not manufactured or branded by Blue Robotics.

Q14: Can I request a 3D model?

3D STEP models are available for engineering review and mechanical integration, subject to the selected configuration.

Q15: What is the warranty period?

The standard HYSF SUBSEA product warranty is 12 months, subject to the applicable warranty terms.

Why Choose HYSF SUBSEA Miniature M10 Connectors?

The HYSF SUBSEA Miniature M10 Subsea Connector Series provides a flexible electrical connection solution for compact underwater equipment.Its principal advantages include:

M10 × 1.5 mounting thread
Designed for compatible Blue Robotics end-cap interfaces
Five contact configurations from 2-pin to 8-pin
Four metal housing material options
316L stainless steel, titanium, naval brass, and aluminum
Gold-plated electrical contacts
Design pressure capability up to 60 MPa
Suitable for applications up to 6,000 meters
Standard 1-meter inline cable
Standard 0.3-meter bulkhead wire leads
Customized cable lengths and electrical configurations
Mixed pin configurations with a 20-piece total MOQ
3D STEP model support
12-month product warranty

For ROV manufacturers, AUV developers, marine research organizations, and underwater equipment manufacturers, the HYSF M10 connector series offers a practical alternative to conventional cable penetrators.With multiple pin configurations and material options, it provides greater flexibility when designing compact subsea electrical interfaces.Whether you need a lightweight aluminum connector, a corrosion-resistant titanium solution, a 316L stainless steel bulkhead, or a naval brass configuration, HYSF SUBSEA can customize the M10 connector according to your project’s electrical and mechanical requirements.

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Miniature M10 Subsea Connectors – Blue Robotics End Cap Direct Replacement | 316L, Titanium, Naval Brass & Aluminum | HYSF SUBSEA

Key Specifications

Direct Mechanical Replacement for Compatible Blue Robotics End Caps

Flexible Pin Configurations and Material Selection

Custom Subsea Connector Solutions