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Our SY Circular Connector delivers compact, high-performance connectivity for aerospace, industrial automation, and marine applications. Featuring a lightweight alloy shell, IP68 sealing, and up to 100+ contacts, it ensures reliable signal/power transmission in extreme vibration, moisture, and temperature conditions.

Base Products

SY11 Circular Connectors

SY11 Circular Connectors

SY11,Solder,IP67, -40°C~85°C, low resistance, high insulation,5A,180V,500 cycles
SY13 Circular Connectors

SY13 Circular Connectors

SY13,Solder,IP67, -40°C~85°C, low resistance, high insulation,5A,125V,500 cycles
SY17 Circular Connectors

SY17 Circular Connectors

SY17,Solder,IP67, -40°C~85°C, low resistance, high insulation,5A,500V,500 cycles
SY21 Circular Connectors

SY21 Circular Connectors

SY21,Solder,IP67, -40°C~85°C, low resistance, high insulation,30A,500V,500 cycles
SY29 Circular Connectors

SY29 Circular Connectors

SY29,Solder,IP67, -40°C~85°C, low resistance, high insulation,25A,500V,500 cycles

Category Insights

The SY Series is a high-density circular connector for industrial and commercial use. It features a durable composite shell with metal reinforcement. The push-pull locking mechanism ensures quick, secure connections. Available in 14-30mm sizes with 6-24 contacts. Offers IP65/IP67 protection against dust and moisture. Supports power, signal, and high-speed data transmission. Includes EMI shielding options. Rated for 1,500+ mating cycles. Compatible with various cable types. Ideal for space-constrained installations. Meets IEC and UL standards.
Common in factory automation systems. Used for medical imaging equipment. Ideal for broadcast audio/video gear. Applied in telecommunications infrastructure. Suitable for industrial robotics. Found in renewable energy inverters. Used for kiosk and ATM wiring. Perfect for stage lighting systems. Supports electric vehicle charging stations. Essential for test/measurement instruments.
High contact density design. Push-pull quick-connect feature. Lighter than metal connectors. Space-saving form factor. Superior EMI performance. Tool-less assembly option.
IP65 standard (dust/jets). IP67 optional (immersion). -25°C to +85°C operation. Chemical-resistant materials. UV-stable versions available.
Supports USB 3.0 speeds. HDMI-compatible versions. Ethernet 1000BASE-T models. Mixed data/power options. Special high-speed variants.
Signal pins: 2A max. Power pins: 10A standard. High-power options: 16A. Contact material affects rating. Check configuration charts.
Clean contacts annually. Inspect seals regularly. Use protective caps. Avoid excessive force. No lubrication needed. Replace worn inserts.