Technical SpecificationsIP68 Waterproof High Current Connector Cnlinko DL28 3Pin M28 Panel Mount Socket
| Protection level |
IP68/IPX9K |
| Rated current |
50A |
| Rated voltage |
2/3Pin: 500V AC
4/5Pin: 690V AC |
| Withstanding voltage |
2/3Pin: 2000V AC
4/5Pin: 3000V AC |
| Contact resistance |
1.0mΩ |
| Insulation resistance |
500mΩ |
| Durability |
≥2000 times |
| Termination |
Solder |
| Coupling |
Bayonet |
| Temperature range |
-40℃~+120℃ |
| Flammability Rating |
UL94-V0 |
| Housing & Insulation Material |
High-performance engineering plastics |
| Hardware Material |
Zinc alloy(pearl hard chrome) |
| Pin Contacts Material |
Gold-plated copper |
The CNLINKO DL28 is a high-current connector that can replace traditional IEC 60309 industrial plugs and sockets.
1. Industrial Machinery and Production Lines
1) CNC Machine Tools: This connector replaces the bulky IEC 60309 input sockets on machine tools for connecting to the main power supply. The DL28 is more compact, saving installation space.
2) Packaging Machinery, Injection Molding Machines, and Printing Equipment: This connector serves as an interconnect interface between equipment modules. For example, it connects control cabinets and actuators, simultaneously transmitting power (such as 380V AC), control signals, and sensor data. This is impossible with traditional IEC connectors (which typically only have power pins).
3) Modular Production Lines: Each workstation module quickly connects to the main power supply and bus network via the DL28, enabling "plug-and-play" deployment and maintenance, greatly improving production line flexibility.
Advantages:
- Power + Signal Integration: A single DL28 connector can replace an IEC 60309 power interface and multiple signal interfaces, simplifying wiring and reducing errors.
- Space Savings: The more compact design is suitable for modern compact equipment.
- Higher protection levels (IP68/IPX9K): Offers better sealing than most IEC 60309 plugs (typically IP44/IP67), and is more resistant to high-pressure water washdowns, oil, and dust.
2. New Energy and Power Systems
1) PV Inverter: Serves as the DC input interface, connecting power from a solar panel array. Its high protection level is ideal for outdoor power station environments.
2) Charging Pile: Used within charging piles, connecting the power module and control module, or serving as the output interface on some DC charging piles.
3) Energy Storage System (ESS): Provides highly reliable connections between battery clusters or between a battery system and the power converter (PCS).
4) Distribution Box/Cabinet: Serves as the input/output interface for outdoor distribution boxes, offering greater durability and protection than IEC 60309 plugs.
Advantages:
- Environmental Adaptability: Excellent weather resistance (UV resistance, wide temperature range) and sealing properties fully meet the requirements of harsh outdoor environments.
- High-current version: The DL28 is available in high-current models (e.g., up to 100A and above), meeting the high-current transmission needs of the new energy sector.
3. Special Vehicles, Construction Machinery, and Port Equipment
1) AGV/AMR (Automated Guided Vehicle/Autonomous Mobile Robot): Serves as an automatic charging port or for quick connection at base stations.
2) Excavators and Cranes: Connects lighting, sensors, and control units on the vehicle body and boom. These devices are exposed to harsh environments with high vibration and shock, placing stringent demands on connector robustness.
3) Port Gantry Cranes: Connects electrical equipment on mobile trolleys, withstanding the high vibration and highly corrosive environments of seaports.
Advantages:
- Extremely Vibration and Shock Resistance: The metal housing and threaded locking mechanism far exceed the reliability of IEC 60309 bayonet-type connections, preventing loosening due to vibration.
- Corrosion Resistance: Available in stainless steel, it is particularly suitable for corrosive environments such as maritime applications.
4. High-End Professional Equipment
1) Professional Film and Television Lighting: Large film and television lighting often uses IEC 60309 inputs. The DL28 offers a smaller, lighter alternative while maintaining high reliability.
2) Medical Sterilization Equipment: Large equipment that requires frequent cleaning and disinfection. The DL28's high IP rating (IP68) provides complete protection against liquid intrusion.
3) Testing Equipment: The power interface of environmental test chambers (high and low temperature, humidity and heat) requires excellent sealing to ensure a stable environment within the chamber.
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