SF20 Metal Push-Pull Connector: High-Power IP67 Waterproof Solution

Key Advantages

• Certified IP67 Waterproof Integrity: Equipped with high-quality O-rings and internal sealing, the SF20 waterproof connector provides complete protection against dust ingress and liquid immersion. This ensures long-term operational stability in outdoor telecommunications and marine-grade electronic systems.
• High-Current Power Capacity: Designed for demanding electrical loads, the SF20 2-pin 3-pin 4-pin configuration can handle up to 25A. This makes it an ideal interface for primary power inputs in industrial motor drives and high-performance robotic controllers.
• Instant Self-Latching Security: Our metal push-pull locking mechanism provides an audible click upon mating, ensuring a vibration-proof connection that cannot be accidentally disconnected. It enables rapid "blind-mating" in confined spaces or during emergency equipment deployments.
• 360° EMI/RFI Interference Shielding: The solid chrome-plated brass housing acts as a superior electromagnetic shield. This protection is vital for maintaining signal purity in environments with high ambient electrical noise, such as factory floors with frequency converters.
• Exceptional Mechanical Durability: Built to withstand over 500 mating cycles, the SF20 maintains peak performance under frequent use. The use of gold-plated copper contacts ensures low contact resistance and prevents oxidation in humid or corrosive industrial atmospheres.

Connector drawings

Straight Male Plug	Straight Female Plug
Mating Male Receptacle	Mating Female Receptacle
Front Mount Male Receptacle	Front Mount Female Receptacle
Square Flange Male Socket	Square Flange Female Socket

Pins	2	3	3B	4	5	6	7	8	9	10	12
Insulator Front View
Rated current(A)	25	25	25	25	25	15	10	5	5	5	5
Contact diameter(mm)	φ2.5×2	φ2.5×3	φ2.5×3	φ2.5×4	φ2.5×5	φ2.0×6	φ1.5×7	φ1.0×8	φ1.0×9	φ1.0×10	φ1.0×12
Operating voltage(AC.V)	500	500	500	500	500	500	500	500	500	500	400
Pressure resistance (AC.V) 1 min	1500	1500	1500	1500	1500	1500	1500	1500	1500	1500	1200
Contact resistance(mΩ)	1	1	1	1	1	2.5	2.5	5	5	5	5
Insulation resistance(mΩ)	2000	2000	2000	2000	2000	2000	2000	2000	2000	2000	2000

SF Series Metal Connector Video

Versatile Application Scenarios

FAQ

• Q: Can the SF20 series be customized for specific cable diameters?
  • A: Yes, STA Connector offers multiple cable collet sizes for the SF20 to ensure a perfect IP67 seal for various outer diameters (OD) of cables.
• Q: What is the benefit of the gold-plated contacts in high-current applications?
  • A: Gold-plated contacts minimize contact resistance, which reduces heat buildup during 30A transmission and prevents surface corrosion in outdoor environments.
• Q: Is the SF20 series compatible with standard industrial solvents?
  • A: Our chrome-plated brass shells and PPS insulators are resistant to a wide range of industrial oils and mild chemicals, ensuring longevity in factory settings.