SL20 Scew Cable IP68 waterproof industrial power connector. Features reliable screw locking and simple screw termination wiring (solderless). Built with PBT housing and TUV/UL certified, this robust aviation plug is ideal for automotive equipment, industrial automation, and outdoor applications. Get durable male/female plug solutions direct from our factory.
Connector Type
SL20 / LP20 Aviation Plug Connector
Connect Type
Straight Male/Female Plug, Square Metal Receptacle with Dust-cover
Pin Count
2, 3, 4, 5, 7, 3+3, 2+6, 9, 12, 14 Pin
Housing Material
PBT (Fire Resistance: V-0), Zinc Alloy
Contact Material
Brass with Gold Plating
Rated Current
20A (2,3,4 Pin) / 10A (5,7Pin) / 5A (9,12,14 Pin)
Rated Voltage
500V / 250V AC
IP Rating
Standard IP65 (Optional IP67 & IP68 (Waterproof & Dustproof)
Temperature Range
-25°C ~ +85°C
Connector Type:
Straight Male Plug
Straight Female Plug
Straight Mating Male Plug Plastic 3 Pins
Straight Mating Female Plug Plastic 3 Pins
Male Square Metal Receptacle with Dust-cover
Female Square Metal Receptacle with Dust-cover
Front Mount Male Metal Socket 3 Pin With Dustcover
Front Mount Female Metal Socket 3 Pin With Dustcover
Superior IP68 Ingress Protection:Engineered with high-grade silicone and rubber sealing materials, the LP20 aviation plug offers total protection against dust ingress and continuous water immersion, ensuring operation in harsh environmental conditions. Reliable Screw Lock Mechanism:The secure screw-locking mechanism provides a dependable and vibration-resistant connection, ideal for dynamic applications in automotive and industrial settings where connection stability is paramount. Hassle-Free Screw Termination Wiring:Designed for ease of installation, the screw connection method eliminates the need for specialized soldering equipment, allowing for fast, reliable field installation and maintenance. Robust PBT & Zinc Alloy Construction:Utilizing flame-retardant PBT plastic for the housing and durable zinc alloy metal parts, this connector ensures longevity, high dielectric strength, and resistance to harsh temperatures (-25°C to +85°C). Globally Certified & Safe:All LP20 series connectors are TUV and UL compliant, meeting strict international safety standards required for global market access and peace of mind.
Straight Male Plug
Straight Female Plug
Male Square Metal Receptacle with Dust-cover
Female Square Metal Receptacle with Dust-cover
Pins
2
3
4
5
7
6B(3+3)
8B(2+6)
9
12
14
Front view of male insulator
Contact diameter (mm)
φ2.7×2
φ2.7×3
φ2.7×4
φ1.8×5
φ1.8×7
φ2.7×3 φ1.0×3
φ2.7×2 φ1.0×6
φ1.0×9
φ1.0×12
φ1.0×14
Applicable wire diameter
Outer Diameter 0D≤φ12(mm)
Wire specification
4/12(mm²/AWG)
4/12(mm²/AWG)
4/12(mm²/AWG)
1.5/16(mm²/AWG)
1.5/16(mm²/AWG)
4/12(mm²/AWG) 0.5/20(mm²/AWG)
4/12(mm²/AWG) 0.5/20(mm²/AWG)
0.5/20(mm²/AWG)
0.5/20(mm²/AWG)
0.5/20(mm²/AWG)
Rated current
20A
20A
20A
10A
10A
20A 5A
20A 5A
5A
5A
5A
Rated voltage
500(AC.V)
500(AC.V)
500(AC.V)
500(AC.V)
500(AC.V)
250(AC.V)
250(AC.V)
250(AC.V)
250(AC.V)
250(AC.V)
Contact resistance
≤1(mΩ)
≤1(mΩ)
≤1(mΩ)
≤3(mΩ)
≤3(mΩ)
≤1(mΩ) ≤5(mΩ)
≤1(mΩ) ≤5(mΩ)
≤5(mΩ)
≤5(mΩ)
≤5(mΩ)
Insulation resistance
≥5000(MΩ)
Withstand voltage
2.0(KV)
2.0(KV)
2.0(KV)
2.0(KV)
2.0(KV)
1.5(KV)
1.5(KV)
1.5(KV)
1.5(KV)
1.5(KV)
Protection class
Standard IP65 / Optional IP67 & IP68
Mechanical life
≥500 Cycles
Wiring method
Welding, screwing
Operating temperature
-40℃ ~ +85℃
Housing/insulation parts
PBT alloy
Metal parts
Zinc alloy with chrome plating
Contact pins
Copper alloy with gold plating
Waterproof material
silicone/rubber
Flame retardant rating
UL94-V0
SL20 / LP20 Waterproof Connector
Product Uses
Automotive Equipment: Used as a reliable waterproof automotive connector for vehicle lighting systems, control units, and robust sensor applications. Industrial Automation: Essential industrial automation power connectors for PLC systems, robotics, and motor control where IP68 protection is required. Outdoor LED Displays & Lighting: Durable outdoor waterproof LED connectors ensuring safe and continuous power in all weather conditions. Marine Equipment: Marine-grade IP68 circular connectors for navigation systems and deck equipment requiring resistance to water ingress and corrosion. Agricultural Machinery: Robust heavy-duty 3 pin connectors for farm equipment exposed to dust, mud, and moisture.
FAQ
Q1: What is the main benefit of screw termination wiring for this connector? The main benefit is speed and convenience. Screw termination allows for quick installation or replacement in the field without the need for a soldering iron, which is ideal for maintenance teams. Q2: Is the female receptacle supplied with a dust cover? Yes, the Female Square Metal Receptacle variant includes a dust-cover as part of the standard package to maintain the IP68 rating when unmated. Q3: Can this 3 pin connector handle 220V power applications? Yes, the connector is rated for voltages up to 500V AC/DC, making it suitable for standard 110V, 220V, and 277V power systems. Q4: Are the PBT plastic shells durable enough for industrial use? Absolutely. PBT is a high-strength, flame-retardant thermoplastic commonly used in industrial applications for its excellent mechanical and electrical properties, superior to standard ABS plastic.
