Cable Harness & Optical Solutions
Engineered Cable Assemblies, Wiring Harnesses & Fiber Optic Interconnects
SINOCONNECTORS provides cable harness and optical interconnect solutions for aerospace, defense, energy, transportation, communications, marine, subsea and industrial applications.
Our capabilities extend from connector selection and contact termination to complete cable harness integration, shielding, sealing, overmolding, optical assembly, hybrid optical-electrical interconnection, testing and application-specific engineering.
Custom Cable Harnesses
Application-Specific Design Connector, cable, routing& branch customization
Power & Signal Integration
Mixed Electrical Functions Power, signal, control& data in one harness
Shielded Cable Assemblies
EMI-Sensitive Systems Shield braid, rear accessories& cable termination
High-Temperature Assemblies
Elevated-Temperature Design Compatible wire, sleeving,sealing & connector materials
Waterproof / Subsea Harnesses
Water-Tight & Pressure Resistant Marine, underwater& vulcanized solutions
Fiber Optic Assemblies
Single-Mode & Multimode Optical contacts, jumpers& complete cable assemblies
Optical-Electrical Hybrid
Power + Signal + Fiber Combined electrical& optical transmission
Full-System Integration
Ready-to-Install Assemblies Connector, contacts, cable,sealing, labeling & testing
Cable Harness, Fiber Optic & Hybrid Solutions
Explore our cable harness, fiber-optic and hybrid interconnect solutions for power, signal, data and optical transmission. From general cable assemblies and custom wiring harnesses to high-current, energy-storage and optical-electrical hybrid solutions, each assembly can be engineered around your connector, cable, routing and environmental requirements.
General Cable Assemblies
Completed cable assemblies for power, signal and data interconnection using compatible circular, rectangular, micro or special connector systems.
Power · Signal · Data
Custom Wiring Harnesses
Multi-branch harnesses engineered around equipment layout, routing, branch positions, cable lengths, connector combinations, shielding and identification.
Custom Routing · Branching
High Voltage / High Current Harnesses
Heavy-duty harnesses for power distribution, battery systems and electric power equipment using high-current connectors, large conductors and robust insulation.
High Power · High Voltage
Energy Storage Harnesses
Custom electrical interconnection solutions for battery packs and related equipment, integrating high-power connectors, finished conductors and protective cable structures.
Battery · BMS · Power Distribution
Fiber Optic Assemblies
Fiber-optic cable assemblies using compatible optical contacts and jumpers, with selected systems supporting single-mode and multimode fiber configurations.
Single-Mode · Multimode · Optical
Specialized / Hybrid Cable Solutions
Application-specific assemblies combining electrical power, signal, data and optical transmission where the connector and cable architecture supports hybrid integration.
Power · Signal · Data · Optical
Built for Performance.
Engineered for Reliability.
From subsea exploration and marine systems to industrial, transportation and communications equipment, cable harness and optical solutions can be engineered around electrical, optical, mechanical and environmental requirements.
Capabilities Overview
| Category |
General Cable Assemblies |
Custom Wiring Harnesses |
High Voltage / High Current |
Energy Storage Harnesses |
Fiber Optic Assemblies |
Specialized / Hybrid Cable Solutions |
|---|---|---|---|---|---|---|
| Voltage / Current | Up to 1kV / 100A | Up to 1kV / 200A | Up to 3kV / 500A | Up to 1.5kV / 200A | N/A (Optical) | Custom / Hybrid |
| Operating Temp. | -55°C to +125°C | -55°C to +125°C | -55°C to +150°C | -40°C to +125°C | -40°C to +85°C | -60°C to +200°C |
| Protection Rating | Up to IP68 | Up to IP68 | Up to IP68 | Up to IP68 | Up to IP68 | Up to IP69K |
| Key Features |
Durable, Versatile, Cost-effective |
Application-specific, Optimized routing |
High power, Safety & reliability |
BMS, Power modules, Flame retardant |
Low loss, High bandwidth, Stable |
Hybrid, Multi-signal, Custom design |
| Applications |
Industrial, Marine, Defense, Automation |
Aerospace, Medical, Industrial |
Rail, EV, Industrial Equipment |
Energy Storage, EV, Renewable |
Telecom, Data Centers, Industrial Networks |
Special Equipment, System Integration |
Applications & Industry Solutions
Cable harness, fiber-optic and hybrid interconnect solutions can be engineered around the electrical, mechanical and environmental requirements of demanding equipment and infrastructure applications.
Industrial Automation
Machine cable assemblies, control harnesses, power-and-signal integration and custom connector-to-equipment assemblies.
Rail Transportation
Rugged cable assemblies, equipment interconnects and integrated power-and-signal harnesses for transportation systems.
Telecom & Data Networks
Fiber-optic assemblies, high-speed differential cable systems and shielded data harnesses for communications equipment.
Aerospace & Defense
Equipment harnesses, ground-power assemblies, lightweight control wiring, optical interconnects and high-vibration cable systems.
Energy Storage & EV
High-current battery harnesses, power distribution interconnects, control wiring and high-voltage connections between battery packs, PDU and related equipment.
Marine & Offshore
Water-tight harnesses, corrosion-resistant cable assemblies, subsea systems, towing solutions and optical-electrical hybrid interconnects.
Robotics & Precision Equipment
Compact control and instrumentation harnesses for space-constrained equipment requiring precise routing, signal integrity and high-density connectivity.
Test & Instrumentation
Lightweight measurement harnesses, high-density connectors, traceable labeling and signal-integrity focused wiring for test and instrumentation systems.
Connection Types & Integration Options
Explore flexible interconnect configurations for wire-to-wire, board-level, panel-mount, circular cable, overmolded, fiber-optic and hybrid applications. Each solution can be engineered around your connector interface, cable routing, transmission requirements, shielding, sealing and installation environment.
Wire-to-Wire
Connections
Pre-terminated cable connections for power, signal and data circuits using compatible connector systems.
Wire-to-Board
Connections
Cable and connector integration for equipment interfaces requiring direct connection to electronic assemblies.
Board-to-Board
Connections
Compact interconnect configurations for high-density equipment and space-constrained electronic system integration.
Panel Mount
Solutions
Panel-mounted connector integration with compatible cable, rear accessories, sealing and strain-relief options.
Circular Cable
Assemblies
Completed circular connector assemblies with defined wiring, strain relief, shielding, labeling and testing.
Overmolded Cable
Assemblies
Integrated overmolded cable exits can provide strain relief, environmental sealing and a finished assembly.
Fiber Optic Patch /
Breakout Solutions
Optical assemblies using compatible fiber contacts and jumpers with single-mode or multimode configurations.
Hybrid Power-Signal-
Data Solutions
Custom harness architectures can combine power, signal, control, data and optical transmission where required.
Custom Cable Harness &
Optical Solutions
From concept to production, SINOCONNECTORS develops application-specific cable harnesses, fiber-optic assemblies and hybrid interconnect solutions around your connector, electrical, optical, mechanical and environmental requirements.
Engineering &Manufacturing
Precision Manufacturing
Controlled wire preparation, contact termination, sealing and assembly processes support repeatable cable harness production.
Professional Assembly
Crimping, soldering, contact insertion, shield termination, branch assembly and rear-accessory installation are integrated according to the harness design.
Inspection & Testing
Verification can include continuity, insulation resistance, dielectric withstand, pinout checks, mechanical tests and optical insertion-loss testing where applicable.
Engineering Support
Requirements can be evaluated from concept through production around connector, electrical, cable, routing, mechanical, environmental and testing requirements.
FAQ
Find answers to common questions about circular connectors,
01 What types of cable harnesses can you manufacture?
SINOCONNECTORS can support general cable assemblies, multi-branch wiring harnesses, high-current / high-voltage harnesses, energy-storage harnesses, ground-power assemblies, high-temperature assemblies, sealed harnesses, underwater harnesses, optical assemblies and application-specific cable networks.
02 Can you provide a complete cable assembly instead of individual connectors?
Yes. A complete assembly can integrate connectors, contacts, finished cable, rear accessories, shielding, strain relief, sealing, labeling and electrical testing.
03 Can you manufacture custom wiring harnesses from drawings?
Yes. Drawings, wiring tables, pin maps, cable specifications, sample assemblies or system requirements can be used as engineering input.
Final manufacturability must be reviewed before production.
04 Can you support custom cable lengths and branch layouts?
Yes. Overall length, branch length, breakout positions and routing can be customized to the equipment layout.
05 Can power and signal wiring be integrated in one harness?
Yes, where connector, cable and separation requirements allow it. Mixed power and signal harnesses are common in equipment and battery systems.
06 Do you provide high-voltage or high-current harnesses?
Yes. The source portfolio includes high-power connector and harness solutions for energy storage and electric power systems.
Final conductor size, connector and insulation must be selected for the required current and voltage.
07 Do you provide energy-storage harnesses?
Yes. Energy-storage harnesses are primarily custom products for battery-pack electrical connection and can include high-power connectors, finished conductors, rear accessories and protective outer jackets.
08 Do you provide fiber-optic cable assemblies?
Yes. Selected connector systems support single-mode and multimode optical contacts, fiber jumpers and complete fiber-optic cable assemblies.
09 What fiber types are available?
Referenced modular optical systems include G652 single-mode fiber, 62.5/125 multimode fiber and 50/125 multimode fiber.
Final fiber selection depends on the connector and optical system.
10 What fiber connector terminations are available?
Referenced optical jumper options include LC, FC, SC and J1216/3103A-type terminations, depending on the selected optical system.
11 Do you provide expanded-beam fiber-optic connectors?
Yes. The product portfolio includes rugged expanded-beam optical connector technology for demanding field and equipment applications.
A referenced overview specifies up to 10 Gbps per channel for the relevant product direction.
12 Do you provide optical-electrical hybrid assemblies?
Yes. Hybrid assemblies can combine electrical conductors and optical channels when the connector architecture supports mixed optical / electrical contacts.
13 Do you provide wet-mate optical-electrical underwater solutions?
Yes. GDM Series is a wet-mate optical-electrical water-tight connector family.
Representative optical insertion loss is ≤1 dB, and the product supports single-mode or multimode fiber depending on model.
14 Can you manufacture underwater or deep-sea cable harnesses?
Yes. The source portfolio includes water-tight harnesses, vulcanized waterproof assemblies, subsea umbilical systems, towing cable systems and load-bearing underwater connection solutions.
15 Can you provide zero-buoyancy or load-bearing underwater cable systems?
The source product portfolio includes zero-buoyancy umbilical cable and load-bearing underwater system capabilities.
Mechanical design must be reviewed for the required tensile load, water depth and deployment method.
16 Do you provide shielded cable assemblies?
Yes. Compatible rear accessories can clamp shielding braid, maintain shell-to-shield continuity, provide strain relief and support harsh-environment cable exits.
17 Can you provide 90-degree cable exits?
Yes. Selected rear accessories provide right-angle cable exit and shield / cable clamping.
Compatibility depends on connector shell size and cable diameter.
18 What testing can be performed on cable harnesses?
Depending on the project, testing can include continuity, insulation resistance, dielectric withstand, contact resistance, pull force, pinout verification, waterproof / pressure testing, vibration, temperature and optical insertion-loss testing.
19 What information should I provide for a custom cable harness quote?
Please provide connector models, pin assignment, voltage, current, signal type, cable / wire specification, length, branch layout, shielding requirement, environment, quantity and any required test or standard.
20 Can you support both prototypes and production quantities?
Prototype and production support can be evaluated based on the product complexity, required tooling, connector availability, qualification requirement and forecast quantity.
Who We Are
Your Partner for Industrial Connection Solutions
We specialize in industrial electrical connectors and related components, providing reliable connection solutions for demanding applications. Our products cover circular connectors, rectangular connectors, contacts, accessories, cable assemblies and customized solutions.
Engineering Excellence
Experienced engineers dedicated to solving complex connection challenges.
Customer Partnership
We listen, collaborate, and align our solutions with your goals and timelines.
Quality Commitment
Robust quality systems ensure reliability, traceability, and continual improvement.
Global & Responsive
Serving customers worldwide with agile support and reliable delivery.
Let's Build a Better Connection—Together.
Tell us about your application and our team will provide the right solution.