865MC 86-5 Series 8-Way Male to Female EO Subsea Cable Assembly
Product Overview
The
HYSF SUBSEA 865MC 86-5 Series 8-Way Male to Female EO Subsea Cable Assembly is a factory-assembled underwater cable solution designed for ROV systems, subsea tooling, underwater instrumentation, and offshore electrical equipment.Featuring an eight-way male-to-female connector configuration, the 865MC provides a convenient electrical connection between compatible subsea equipment without requiring field cable termination.Both connector ends are factory-terminated and assembled with a flexible subsea cable. This configuration helps simplify installation, reduce wiring errors, and improve connection reliability in demanding marine environments.The cable assembly is available with customer-specified cable lengths and jacket materials, including polyurethane (PUR) and synthetic rubber.The connector housings are available in 316 stainless steel, with titanium available as an optional material for applications requiring reduced weight or specialized corrosion resistance.The 865MC is designed for applications such as ROV umbilical connections, subsea junction boxes, underwater camera systems, tooling skids, sensor networks, and subsea instrumentation.Its male-to-female configuration allows compatible equipment to be connected directly through a pre-assembled cable jumper.
Key Features and Benefits
1. Eight-Way Male-to-Female Configuration
The 865MC features an eight-way connector arrangement with one male connector and one female connector.This configuration provides a direct connection between compatible subsea electrical interfaces.Key benefits include:
- Eight-way electrical connection
- Male-to-female connector configuration
- Factory-terminated cable assembly
- Reduced field wiring requirements
- Simplified subsea equipment integration
- Customizable wiring arrangements
- Suitable for ROV and subsea instrumentation systems
The exact contact assignment and wiring configuration should follow the approved electrical drawing.
2. Factory-Assembled Cable Construction
Unlike individual underwater connectors requiring customer cable termination, the 865MC is supplied as a complete cable assembly.Both connector ends are installed and terminated during manufacturing.Factory assembly helps reduce common installation problems, including:
- Incorrect conductor identification
- Polarity errors
- Poor crimp connections
- Inconsistent cable termination
- Field assembly difficulties
Each assembly can undergo electrical continuity and insulation testing before shipment.Optional hydrostatic pressure test certificates can be specified for project quality assurance.
3. Flexible Subsea Cable
The 865MC can be supplied with different cable jacket materials according to the application.Available jacket options include:
Polyurethane (PUR)PUR cable jackets offer flexibility and abrasion resistance, making them suitable for underwater equipment connections and dynamic ROV cable applications.
Synthetic RubberSynthetic rubber cable jackets provide an alternative flexible construction for marine and subsea environments.Cable material, outer diameter, conductor configuration, shielding, and mechanical properties should be selected according to the intended installation.
4. Custom Cable Lengths
The 865MC supports customer-specified cable lengths.Different lengths can be manufactured according to equipment layout, installation distance, and cable routing requirements.Potential applications include:
- Short subsea equipment jumpers
- ROV tooling connections
- Subsea junction box interconnections
- Underwater camera connections
- Instrumentation wiring assemblies
- Tether management system connections
- Subsea control module connections
The reference supplier lists a configurable length range of 0.5 m to 200 m.The final cable length should be confirmed according to the project requirements.
5. Corrosion-Resistant Connector Housing
The standard connector housing material is 316 stainless steel.Titanium is available as an optional material for applications requiring reduced connector weight or specialized material performance.The material options provide flexibility for different underwater installation environments.Available housing materials include:
- 316 Stainless Steel
- Titanium (Optional)
Other material configurations should be confirmed according to the approved production design.
6. Gold-Plated Electrical Contacts
The reference 865MC specification identifies gold-plated contacts at both connector ends.The specified contact materials are:
- Female contacts: Gold-plated brass
- Male contacts: Gold-plated beryllium copper
Gold-plated contacts help provide reliable electrical connections and corrosion resistance.The reference product specification lists contact resistance below 0.01 Ω.Actual contact resistance should be verified through production inspection and electrical testing.
7. Reliable Sealing System
The reference connector configuration uses nitrile O-ring seals.The sealing system is designed to protect the electrical connection interface during subsea operation.Proper mating, O-ring inspection, connector cleanliness, and correct locking sleeve installation are important for maintaining sealing performance.
8. Locking Sleeve Protection
The 865MC reference configuration uses a POM or stainless steel locking sleeve.The locking sleeve provides additional mechanical retention after mating.It helps prevent accidental connector separation caused by cable tension, vibration, or movement during subsea operations.The locking sleeve must be correctly installed before deployment when specified by the connector design.
9. Electrical Performance
The reference product specification lists:
- 600 V AC/DC RMS voltage rating
- 10 A per contact
- Insulation resistance greater than 200 MΩ
- Contact resistance below 0.01 Ω
The maximum total connector current is not specified in the reference product documentation.Actual operating current must be evaluated according to conductor size, cable construction, temperature, contact loading, and the complete assembly configuration.
10. High-Pressure Subsea Applications
The reference product specification lists the following pressure ratings:
- Mated pressure: 690 bar / 10,000 psi
- Open-face pressure: 480 bar / 7,000 psi
These ratings are intended for demanding underwater applications.The actual operating pressure capability must be confirmed for the complete connector and cable assembly, including the connector interfaces, cable termination, sealing components, and installation conditions.
11. More Than 500 Mating Cycles
The reference specification lists more than 500 wet/dry mating cycles.This provides a useful reference for applications requiring repeated equipment connection and disconnection.Actual service life depends on mating procedures, contact cleanliness, seal condition, environmental exposure, and maintenance.
12. Customization for OEM Projects
The 865MC can be configured according to customer requirements.Potential customization options include:
- Cable length
- Cable jacket material
- Cable outer diameter
- Connector housing material
- Contact configuration
- Wiring arrangement
- Conductor identification
- Locking sleeve material
- Pressure testing requirements
- Electrical testing documentation
Customized cable assemblies can be developed for ROV manufacturers, subsea equipment integrators, and offshore engineering projects.
865MC Technical Specifications
| Parameter | Reference Specification |
|---|
| Brand | HYSF SUBSEA |
| Model | 865MC |
| Connector Series | 86-5 Series |
| Product Type | EO Subsea Cable Assembly |
| Assembly Configuration | Double-Ended Pigtail |
| Number of Ways | 8 |
| Cable End Configuration | Male to Female |
| Assembly Method | Factory Assembled |
| Electrical Testing | Continuity and Insulation |
| Rated Voltage | 600 V AC/DC RMS |
| Current per Contact | 10 A |
| Maximum Total Current | Not Specified |
| Insulation Resistance | >200 MΩ |
| Contact Resistance | <0.01 Ω |
| Mated Pressure Rating | 690 bar / 10,000 psi |
| Open-Face Pressure Rating | 480 bar / 7,000 psi |
| Mating Cycles | >500 (Reference) |
| Water Temperature | −4°C to +60°C |
| Air Temperature | −40°C to +60°C |
| Connector Body | Chloroprene Rubber |
| Housing Material | 316 Stainless Steel |
| Optional Housing | Titanium |
| Female Contact Material | Gold-Plated Brass |
| Male Contact Material | Gold-Plated Beryllium Copper |
| Locking Sleeve | POM / Stainless Steel |
| O-Ring Material | Nitrile |
| Cable Jacket | PUR / Synthetic Rubber |
| Cable Length | Customer-Specified |
| Reference Length Range | 0.5–200 m |
| Pressure Test Certificate | Optional |
Engineering Note: These are reference specifications published for the 865MC product. Cable conductor size, cable OD, shielding, total current capacity, optical fiber count (if applicable), and pin-to-wire assignments require confirmation against the approved HYSF production configuration.
Male-to-Female Cable Configuration
The 865MC is designed as a double-ended cable assembly.One end incorporates a male connector, while the opposite end incorporates a female connector.This configuration allows the cable to connect two compatible underwater electrical interfaces.Before production, the following details should be confirmed:
- Male connector interface and keyway.
- Female connector interface and keyway.
- Eight contact positions.
- Pin-to-wire mapping.
- Cable conductor size.
- Cable outer diameter.
- Cable shielding requirements.
- Cable jacket material.
- Required cable length.
- Locking sleeve configuration.
The electrical wiring diagram should be approved before cable assembly.
Cable Jacket and Material Options
Polyurethane (PUR) Cable
PUR cable is suitable for applications requiring a flexible cable jacket with good abrasion resistance.Typical applications include ROV tooling connections, subsea equipment jumpers, and underwater instrumentation.
Synthetic Rubber Cable
Synthetic rubber provides an alternative flexible cable construction for marine and subsea installations.It can be considered for equipment requiring specific flexibility and environmental performance.
316 Stainless Steel Housing
316 stainless steel is the standard connector housing material in the reference configuration.It offers mechanical strength and corrosion resistance for marine applications.
Titanium Housing
Titanium is an optional housing material for weight-sensitive or specialized subsea applications.Material selection should consider mechanical strength, seawater compatibility, installation conditions, and project requirements.
Typical Applications of 865MC
1. ROV Tool-Change Systems
The 865MC can be used as a pre-assembled connection cable between ROV tooling interfaces.Its male-to-female configuration allows equipment connections to be made without field cable termination.
2. Subsea Junction Boxes
The cable assembly can connect compatible electrical interfaces within subsea junction box systems.It can be used for interconnecting electrical circuits between underwater equipment modules.
3. Tether Management Systems
ROV tether management systems may require flexible connection cables between equipment interfaces and cable breakout assemblies.The 865MC can be configured for suitable cable routing applications.
4. Subsea Camera Systems
Underwater cameras and lighting clusters often require electrical connections between equipment modules.The eight-way configuration provides multiple electrical contact positions for compatible camera and auxiliary equipment systems.
5. ROV Electrical Systems
The 865MC can be used for electrical interconnections between ROV components, tooling interfaces, and auxiliary equipment.
6. Subsea Instrumentation
Marine instruments, sensors, and monitoring devices may require compact multi-contact electrical cable assemblies.The eight-way male-to-female configuration provides a practical connection solution for compatible equipment.
7. Offshore Instrument Frames
Offshore instrument frames may incorporate multiple electrical modules and sensor connections.The 865MC can be used for internal electrical interconnections where the connector interface is compatible.
8. Scientific Landers and Underwater Observatories
Scientific underwater platforms frequently require cable connections between sensors, monitoring modules, and control equipment.The 865MC can be customized for suitable subsea instrumentation applications.
9. Remotely Operated Tools
Subsea intervention tools and remotely operated equipment may require pre-assembled electrical connection cables.The factory-terminated configuration can simplify installation and replacement.
10. Subsea Control Modules
The cable assembly can connect compatible electrical interfaces between subsea control modules and external instrumentation.
Electrical Testing and Quality Control
Each 865MC assembly can be inspected and tested according to the approved production specification.Typical quality-control procedures include:
- Visual inspection
- Connector dimensional inspection
- Contact inspection
- Cable jacket inspection
- Pin-to-wire mapping verification
- Electrical continuity testing
- Insulation resistance testing
- Contact resistance testing
- Connector mating verification
- Locking sleeve inspection
- Cable termination inspection
- Hydrostatic pressure testing (Optional)
Test certificates can be provided according to customer project requirements.
Installation and Maintenance Guidelines
Step 1: Inspect Both Connector Ends
Check the male and female connector interfaces for damage, contamination, or deformed contacts.
Step 2: Inspect the Cable
Check the cable jacket for cuts, abrasion, deformation, and other visible damage.
Step 3: Verify Connector Compatibility
Confirm the mating interfaces, contact configuration, keyway, and locking sleeve requirements.
Step 4: Align the Connectors
Align the guide features and contact positions before mating.Avoid forcing the connectors together.
Step 5: Complete the Mating Operation
Follow the approved connector mating procedure and ensure the connector is fully engaged.
Step 6: Install the Locking Sleeve
Install the specified POM or stainless steel locking sleeve after mating.Verify that the locking mechanism is correctly engaged before deployment.
Step 7: Perform Electrical Checks
Verify continuity, insulation resistance, and the correct conductor assignment.
Step 8: Complete System Testing
Confirm that the complete cable assembly meets the electrical, mechanical, and pressure requirements of the intended application.
Step 9: Clean and Inspect After Use
Rinse exposed connector components with fresh water after seawater exposure and inspect the contact and sealing surfaces.Follow the approved maintenance procedure before storage or reuse.
Frequently Asked Questions
Q1: What is the 865MC subsea cable assembly?
The 865MC is an eight-way male-to-female underwater cable assembly associated with the 86-5 connector series.It is designed for connecting compatible subsea electrical equipment.
Q2: How many contacts does the 865MC have?
The reference configuration specifies eight ways.
Q3: What is the connector configuration?
The cable assembly has one male connector and one female connector.
Q4: Is the cable factory assembled?
Yes. The reference product is supplied as a factory-assembled cable assembly with continuity and insulation testing.
Q5: Can the cable length be customized?
Yes. The reference supplier lists customer-specified cable lengths from 0.5 m to 200 m.
Q6: What cable jacket materials are available?
The reference configuration lists PUR and synthetic rubber cable jackets.
Q7: What is the standard housing material?
316 stainless steel is the standard reference material. Titanium is available as an option.
Q8: What is the voltage rating?
The reference product specification lists 600 V AC/DC RMS.
Q9: What is the current rating?
The reference specification lists 10 A per contact. Maximum total current is not specified and should be determined according to the complete electrical assembly.
Q10: What is the pressure rating?
The reference specification lists 690 bar (10,000 psi) when mated and 480 bar (7,000 psi) open-face.Actual operating depth must be confirmed through the qualified pressure test of the complete assembly.
Q11: What is the contact material?
The reference specification lists gold-plated brass female contacts and gold-plated beryllium copper male contacts.
Q12: Is a locking sleeve required?
The reference configuration specifies a POM or stainless steel locking sleeve, which must be correctly installed before deployment.
Q13: Can the cable assembly be hydrostatically tested?
Yes. Optional hydrostatic pressure testing and test certificates can be specified according to project requirements.
Q14: Can the cable wiring arrangement be customized?
Yes. Custom wiring layouts can be specified, subject to the approved connector contact arrangement and cable construction.
Q15: Is the 865MC suitable for ROV systems?
Yes. Typical applications include ROV tooling, tether management systems, subsea junction boxes, camera systems, and underwater instrumentation.
Q16: Does EO mean that the cable includes optical fibers?
EO is described as Electro-Optical in the reference product listing. However, the 865MC specification does not identify a specific optical fiber count, fiber type, or optical termination arrangement.These details must be confirmed before specifying the assembly for optical transmission.
Why Choose HYSF SUBSEA 865MC?
The
HYSF SUBSEA 865MC 86-5 Series Compatible 8-Way Male-to-Female Subsea Cable Assembly provides a convenient solution for underwater electrical interconnections.Its main advantages include:
- Eight-way male-to-female configuration
- Factory-assembled cable construction
- Reduced field termination requirements
- Customizable cable length
- PUR or synthetic rubber cable jacket options
- 316 stainless steel housing
- Optional titanium housing
- Gold-plated electrical contacts
- POM or stainless steel locking sleeve
- Electrical continuity and insulation testing
- Optional hydrostatic pressure testing
- Suitable for ROV and subsea equipment integration
For ROV manufacturers, offshore engineering companies, subsea equipment integrators, and underwater instrumentation suppliers, the 865MC offers a customizable cable assembly for connecting compatible underwater electrical systems.
