High Reliability Circular Connectors for Industrial and Harsh Environment Applications
SINOCONNECTORS provides a wide range of circular connector solutions
featuring high reliability, anti-vibration performance, and moisture
protection for industrial, military, and harsh environment applications.
Our circular connectors are designed for demanding applications
requiring stable power, signal, and data transmission performance.
Complete Circular Connector Solutions
SINOCONNECTORS offers reliable circular connector solutions designed for
industrial equipment, automation systems, transportation, energy
applications, and other demanding environments.
Our products combine robust mechanical design, flexible configurations,
and reliable electrical performance to meet different application
requirements.
Multiple Series Options
Comprehensive product line covering a wide range of applications.
Flexible Configurations
Various shell sizes, contact arrangements, and installation methods.
Reliable Performance
Designed for vibration resistance and stable performance in demanding environments.
Environmental Ready
Moisture, dust, and corrosion resistant for harsh conditions.
Explore Circular Connector Series
GJB599 Series
- Shell Sizes: 9 / 11 / 13 / 15 / 17 / 19 / 21 / 23 / 25
- Contact Options: 3 – 128 contacts
- Coupling Type: Bayonet
- Applications: Aerospace, Defense, Industrial Control
J599 Series
- Shell Sizes: 14 / 18 / 22 / 24 / 27 / 30 / 33 / 36
- Contact Options: 2 – 61 contacts
- Coupling Type: Threaded
- Applications: Industrial Equipment, Instrumentation, Power Systems
JY Series
- Shell Sizes: 12 / 16 / 20 / 24 / 28 / 32
- Contact Options: 2 – 55 contacts
- Coupling Type: Threaded
- Applications: Industrial Control, Data Transmission
J599HV Series
- Shell Sizes: 14 / 18 / 22 / 24 / 27 / 30 / 33 / 36
- Contact Options: 2 – 61 contacts
- Coupling Type: Threaded
- Applications: High Vibration, Rail Transit, Heavy Machinery
Environmental & Special Series
- Shell Sizes: Customizable
- Contact Options: Custom Configurations
- Coupling Type: Threaded / Bayonet / Push-Pull
- Applications: Harsh Environment, Marine, Oil & Gas
XY Series
- Shell Sizes: 8 / 10 / 12 / 14 / 16 / 18 / 20 / 22
- Contact Options: 2 – 37 contacts
- Coupling Type: Threaded
- Applications: Space Limited Areas, Portable Equipment
Series Quick Comparison
| Series | Typical Use | Coupling / Style | Shell Size Range | Contact Options | Key Advantages |
|---|---|---|---|---|---|
| GJB599 Series | Aerospace, Defense, Industrial Control | Bayonet | 9 – 25 | 3 – 128 | MIL-STD-38999 compatible, high reliability, multiple contact arrangements |
| J599 Series | Industrial Equipment, Instrumentation | Threaded | 14 – 36 | 2 – 61 | Widely used, stable performance, easy installation |
| JY Series | Industrial Control, Data Transmission | Threaded | 12 – 32 | 2 – 55 | Compact design, reliable connections, versatile layouts |
| J599HV Series | High Vibration, Rail Transit | Threaded | 14 – 36 | 2 – 61 | Enhanced vibration resistance, robust structure |
|
Environmental & Special Series |
Harsh Environment, Marine, Oil & Gas | Threaded / Bayonet / Push-Pull | Customizable | Custom | Designed for extreme environments and special requirements |
| XY Series | Space Limited Areas, Portable Equipment | Threaded | 8 – 22 | 2 – 37 | Compact size, lightweight, high space efficiency |
Customized Circular Connector Solutions
Beyond standard products, SINOCONNECTORS provides custom-engineered
circular connector solutions tailored to application requirements.
Key Technical Specifications
Coupling Type
Bayonet, Threaded,
Push-Pull
Shell Style
Straight Plug, Straight Receptacle, 90° Elbow, Square Flange
Shell Size Range
8 – 32
(See series details)
Contact Arrangement Range
2 – 61 contacts
(Custom configurations available)
Termination Options
Solder, Crimp, PCB, Wire Wrap,
Fiber Optic, Coaxial
Materials & Finishes
Aluminum Alloy, Stainless Steel, Brass, Anodized, Nickel
Environmental Sealing
IP67, IP68 (1m/24h), IP69K
Hermetic available
Operating Temperature
-55°C to +125°C
(Depending on series & materials)
Mounting Styles
Cable Mount, Panel Mount, Jam Nut, Flange Mount
Vibration Resistance
10 – 2000 Hz, 15g
(Per MIL-STD-202)
Insulation Resistance
≥ 5000 MΩ
(At 500V DC)
Dielectric Withstanding Voltage
500V – 3000V AC
(Per series specifications)
Durability (Mating Cycles)
500 – 5000 cycles
(Depending on series)
Shock Resistance
100g, 6ms
(Per MIL-STD-202)
Salt Spray Resistance
48h – 1000h
(Per ASTM B117)
Accessory Compatibility
Backshells, Protective Caps, Dust Covers, Strain Reliefs
FAQ
Find answers to common questions about circular connectors,
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.