Quick Summary:
Our JST industrial wire harness solutions offer high-precision connectivity for industrial control and automation. Featuring multi-color signal identification and secure-lock housings, these custom assemblies ensure vibration-resistant performance and simplified maintenance for complex robotic and medical electronic systems.
Product Overview
Our JST series industrial control wire harness is designed to meet the rigorous connectivity demands of modern high-tech equipment. Featuring a variety of JST-compatible housings (such as VH, EL, or SM series), this harness provides a secure, vibration-resistant connection for multi-channel signal routing. Each assembly is crafted with high-flexibility tinned copper wiring and color-coded insulation, ensuring intuitive installation and simplified troubleshooting. Whether for robotic control boards, precision medical instrumentation, or industrial sensor arrays, our JST harnesses deliver stable electrical performance and high density in a compact footprint.
Product Specifications
| Specification Item | Technical Details |
| Connector Type | JST Series (VH, EL, SM, XH, or Custom Equivalents) |
| Circuit Count | Multi-pin (2P to 15P+ configurations) |
| Pitch Range | 2.0mm, 2.5mm, 3.96mm, 4.5mm (Customizable) |
| Wire Gauge | 18 AWG to 28 AWG (UL Certified) |
| Conductor Material | High-purity Tinned Copper (Anti-oxidation) |
| Housing Material | Nylon 66, UL94 V-0 or V-2 Flame Retardant |
| Rated Voltage | 250V – 600V AC/DC |
| Operating Temperature | -25°C to +85°C / +105°C |
| Compliance | RoHS, REACH, UL Recognized |
Key Features
Secure-Lock Vibration Resistance
Equipped with JST’s signature locking mechanisms, these connectors provide a distinct “click” when mated, ensuring they remain securely connected even in high-vibration industrial environments. This prevents accidental disconnections and ensures the continuous uptime of critical control systems.
Multi-Color Signal Identification
To facilitate rapid assembly and reduce maintenance errors, our harnesses utilize standardized color-coding for individual circuits. This visual management system allows technicians to trace signal paths instantly, significantly improving efficiency in complex multi-layer wiring environments.
Precision Terminal Crimping
Leveraging fully automated crimping technology, we maintain strict control over crimp height and width. This ensures maximum tensile strength and consistent contact resistance across all terminals, preventing “hot spots” and signal degradation during long-term operation.
Modular and Scalable Design
Our JST harnesses are designed for versatility. With a wide array of pitch sizes and housing configurations available, these solutions can be easily integrated into existing modular architectures or customized for proprietary PCB layouts and control box designs.
Industrial Applications
Industrial Automation & Robotics
Providing the central nervous system for PLC controllers, servo drives, and robotic end-effectors. The compact multi-pin design is perfect for routing complex feedback signals and power lines in narrow robotic joints.
Medical Diagnostic Equipment
High-reliability interconnects for imaging systems, patient monitoring devices, and laboratory analyzers where signal precision and non-interrupted performance are vital for patient safety.
Telecommunications & Data Cabinets
Used for internal power distribution and signal routing within networking hardware and server racks, offering a tidy and organized wiring solution for high-density electronic enclosures.
Technical & Surface Performance
Each JST harness undergoes rigorous pull-force testing to verify terminal retention. We utilize oxygen-free tinned copper to provide superior solderability and corrosion resistance. The housing materials are selected for their excellent dielectric strength and resistance to common industrial chemicals, ensuring the harness remains intact over a long service life.
Bespoke & OEM Manufacturing
We offer comprehensive customization to match your specific engineering requirements:
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Hybrid Configurations: Combine different JST series or other connector brands (Molex/TE) within a single harness.
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Specialized Insulation: Options for Teflon (PTFE) or Silicone for high-temperature or high-flex applications.
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Braided & Heat-Shrink Protection: Add an extra layer of mechanical protection or EMI shielding based on your environmental needs.
Production Process
Advanced Terminal Crimping
Using calibrated automatic crimping machines, we ensure that every terminal meets the IPC-A-620 standard for electrical excellence and mechanical strength.
100% Electrical Verification
Every harness is subjected to a comprehensive continuity test and a short-circuit test. We ensure that every pin is mapped correctly to the specified wiring diagram before the product leaves the factory.
High-Speed Cutting & Stripping
Our digital processing equipment ensures that every lead length is precise to within 0.5mm, providing a uniform and professional appearance for your internal wiring.
FAQ
Can you provide 1:1 equivalents for original JST connectors?
Yes, we use either original JST components or high-quality, UL-certified equivalents depending on your budget and lead time requirements, both ensuring full compatibility.
What is the maximum current rating for these harnesses?
The current rating depends on the JST series and wire gauge used. For example, VH series harnesses can typically handle up to 10A, while smaller XH series are designed for signal-level currents (approx. 3A).
Do you support custom wire lengths and color sequences?
Absolutely. We can produce harnesses with specific wire lengths for each lead and follow any custom color sequence provided in your technical drawings.
Are these harnesses flame retardant?
Yes, we utilize housings that meet UL94 V-0 or V-2 standards, and our wire insulation typically carries a VW-1 flame rating for enhanced safety in industrial cabinets.
Can you handle mixed-connector assemblies (e.g., JST to Molex)?
Yes, we frequently manufacture “bridge” harnesses that connect different hardware standards, such as a JST connector on the sensor side and a Molex or DB connector on the controller side.
What testing reports do you provide?
Upon request, we provide full testing reports including continuity test results, crimp pull-force data, and material compliance certificates (RoHS/REACH).