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Designed for extreme environments, our SP Circular Connector combines military-grade durability with IP69K protection. Ideal for defense, oil/gas, and heavy industry, its anti-vibration design and corrosion-resistant shell ensure fail-safe power/signal transmission in sand, water, and high-impact conditions.

Base Products

SP11 Circular Connectors

SP11 Circular Connectors

SP11,Solder,IP68, -40°C~85°C, low resistance, high insulation,5A,180V,500 cycles
SP13 Circular Connectors

SP13 Circular Connectors

SP13,Solder,IP68, -40°C~85°C, low resistance, high insulation,5A,125V,500 cycles
SP17 Circular Connectors

SP17 Circular Connectors

SP17,Solder,IP68, -40°C~85°C, low resistance, high insulation,5A,500V,500 cycles
SP21 Circular Connectors

SP21 Circular Connectors

SP21,Solder,IP68, -40°C~85°C, low resistance, high insulation,20A,500V,500 cycles
SP29 Circular Connectors

SP29 Circular Connectors

SP29,Solder,IP68, -40°C~85°C, low resistance, high insulation,20A,500V,500 cycles

Category Insights

The SP Series is a compact, high-reliability circular connector designed for industrial and transportation applications. It features a lightweight aluminum alloy shell with corrosion-resistant finish. The bayonet coupling provides quick, secure mating. Available in 12-24mm sizes with 3-12 contacts. Offers IP66/IP67 protection against harsh environments. Supports power, signal, and data transmission. Includes vibration-resistant contacts. Rated for 1,000+ mating cycles. Compatible with shielded cables. Meets international safety standards.
Widely used in railway signaling systems. Essential for commercial vehicle wiring. Common in industrial automation panels. Applied in outdoor LED displays. Used in marine navigation equipment. Suitable for construction machinery. Found in renewable energy systems. Perfect for fleet management devices. Supports agricultural equipment. Ideal for public transit systems.
Bayonet coupling for quick connect. Lighter than threaded alternatives. Superior vibration resistance. More compact than similar connectors. Optimized for mobile applications.
IP66 standard (heavy spray). IP67 optional (immersion). -40°C to +85°C operation. Resists fuels/oils. UV-resistant versions available.
Signal contacts: 5A max. Power contacts: 16A standard. High-current options: 25A. Depends on pin configuration. Verify manufacturer specs.
Yes, shielded versions available. Supports CAN bus. Ethernet-compatible models. Mixed signal/power options. Not for high-speed data.
1,000+ mating cycles. Resists shock/vibration. Corrosion-proof shells. Field-replaceable contacts. Requires minimal maintenance.