• SP21 Aviation Plug IP68 Waterproof Circular Connector
  • SP21 Aviation Plug IP68 Waterproof Circular Connector
  • SP21 Aviation Plug IP68 Waterproof Circular Connector
  • SP21 Aviation Plug IP68 Waterproof Circular Connector
  • SP21 Aviation Plug IP68 Waterproof Circular Connector
  • SP21 Aviation Plug IP68 Waterproof Circular Connector
  • SP21 Aviation Plug IP68 Waterproof Circular Connector
  • SP21 Aviation Plug IP68 Waterproof Circular Connector
  • SP21 Aviation Plug IP68 Waterproof Circular Connector
  • SP21 Aviation Plug IP68 Waterproof Circular Connector
  • SP21 Aviation Plug IP68 Waterproof Circular Connector
  • SP21 Aviation Plug IP68 Waterproof Circular Connector
  • SP21 Aviation Plug IP68 Waterproof Circular Connector
  • SP21 Aviation Plug IP68 Waterproof Circular Connector
  • SP21 Aviation Plug IP68 Waterproof Circular Connector
  • SP21 Aviation Plug IP68 Waterproof Circular Connector
  • SP21 Aviation Plug IP68 Waterproof Circular Connector
  • SP21 Aviation Plug IP68 Waterproof Circular Connector

SP21 Aviation Plug IP68 Waterproof Circular Connector

The SP21 IP68 Waterproof Aviation Plug series features 2, 3, 4, 5, 7, 9, and 12-pin options, offering reliable circular connectivity for industrial equipment, outdoor devices, and mobile electronics. Available in male/female, panel mount, straight or angled cable designs, it ensures secure signal and power transmission in harsh or wet environments.
Connector Type
SP21 Aviation Plug Connector
Pin Count
2/3/4/5/7/9/12 pins
Connector Types
Straight /Angled plug / Mating plug / Rear-nut socket / 2-hole flange socket
Rated Current
45A / 25A/10A
Rated Voltage
380V
Cable OD Range
Type I: 4.5–7mm / Type II: 7–12mm
$0.00
IP68 Waterproof Aviation Plug:
Straight Male Plug
Straight Male Plug
Straight Female Plug
Straight Female Plug
Angled Male Plug
Angled Male Plug
Angled Female Plug
Angled Female Plug
Straight Mating Male Plug
Straight Mating Male Plug
Straight Mating Female Plug
Straight Mating Female Plug
Front Mount Male Socket
Front Mount Male Socket
Front Mount Female mount
Front Mount Female mount
2-Hole Flange Mount Male Receptacle
2-Hole Flange Mount Male Receptacle
2-Hole Flange Mount Female Receptacle
2-Hole Flange Mount Female Receptacle
Pins:
2pin
3pin
4pin
5pin
7pin
9pin
  • SP21 Aviation Plug IP68 Waterproof Circular Connector
  • SP21 Aviation Plug IP68 Waterproof Circular Connector
  • SP21 Aviation Plug IP68 Waterproof Circular Connector
  • SP21 Aviation Plug IP68 Waterproof Circular Connector
  • SP21 Aviation Plug IP68 Waterproof Circular Connector
  • SP21 Aviation Plug IP68 Waterproof Circular Connector
  • SP21 Aviation Plug IP68 Waterproof Circular Connector
  • SP21 Aviation Plug IP68 Waterproof Circular Connector
  • SP21 Aviation Plug IP68 Waterproof Circular Connector

Description

1. IP68 Waterproof Protection for Harsh Environments

The SP21 connector’s sealed housing prevents dust, water, and corrosion, making it ideal for outdoor devices, industrial machines, marine electronics, and mobile equipment requiring reliable high-performance connectivity.

2. Versatile Male/Female and Panel Mount Options

Available in male, female, straight, angled, and panel-mount configurations, SP21 connectors provide flexible installation for control cabinets, junction boxes, and cable assemblies in compact or space-constrained applications.

3. Durable Plastic Construction for Long Life

Constructed from flame-retardant PC/Nylon66 and reinforced PPS inserts, the SP21 maintains structural integrity under vibration, high humidity, and temperature variation, ensuring reliable performance for years.

4. Easy Solder and Cable Assembly

Solder-type contacts allow quick and precise wire termination, providing stable signal and power transmission for OEM devices, sensors, field instruments, and maintenance-friendly installations.

5. High-Performance Signal & Power Transmission

Gold-plated brass contacts offer low resistance, corrosion protection, and consistent conductivity, enabling SP21 connectors to handle data signals and low-to-medium power applications reliably.

Product Uses

  1. Industrial Automation & Machinery
    For sensors, actuators, control panels, and robotic equipment requiring durable circular connections.

  2. Outdoor LED & Lighting Systems
    Ensures waterproof connectivity for LED street lights, landscape lighting, and outdoor displays.

  3. Marine & Mobile Equipment
    Provides corrosion-resistant, vibration-proof connection for boats, vehicles, and field devices.

  4. IoT & Portable Instruments
    Connects small IoT nodes, handheld measurement devices, and embedded systems reliably in outdoor or harsh conditions.

  5. Renewable Energy & Environmental Monitoring
    Suitable for solar modules, wind sensors, weather stations, and outdoor monitoring devices.

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