Waterproof Bulkhead Connectors

waterproof bulkhead connector

Waterproof Bulkhead Connectors

Waterproof bulkhead connectors are used to connect devices in harsh environments. They need to be compatible with the devices they are connecting and able to handle environmental factors like temperature, vibration, and shock.

Look for a voltage and current rating to ensure the connector can safely work with the power required. Also, look for a hermetic seal that cuts down electromagnetic interference.


In automotive applications, electrical components must work properly in harsh conditions like heat and vibration. To ensure this, manufacturers use waterproof bulkhead connectors to protect the wiring from moisture and other environmental factors. waterproof bulkhead connector These connectors are also important for connecting motors and sensors in industrial settings. The right waterproof bulkhead connector will have the right features for your specific application.

To select the best waterproof bulkhead connector, consider the make and model of your vehicle, as well as the number and size of wires you need to pass through the firewall. You should also consider the connector’s design and specifications, as they can affect its performance and compatibility with other components in your vehicle.

Waterproof bulkhead connectors are available in a variety of shapes and sizes. They are often circular and made of durable materials like metal or plastic. They are common in industrial applications because of their ability to withstand harsh environments. They are also known for their versatility and can be used to connect different systems in a vehicle or in a factory.

For more demanding applications, you can also use a Micro WET-CON split connector. These connectors are designed to provide all the benefits of a traditional SEA-MATE rubber molded connector series in a smaller package. This allows you to install more conductors in a smaller space, reducing the overall weight and drag of a Remotely Operated Vehicle or other vessel.


Waterproof bulkhead connectors are a critical component of electrical systems used in industrial settings. They provide the necessary protection to keep connections intact in harsh environments like high temperatures, vibrations, and dust. They also help ensure the proper functioning of equipment and safety of personnel. They are available in a wide range of sizes, designs, and specifications, so it is important to select the right type for your application.

Cost is an important factor to consider when selecting a waterproof bulkhead connector, but it should be balanced with other factors like quality and specific needs of the application. A cheap, low-quality connector may not be suitable for the job and could result in costly repairs or replacements down the line.

The sealing and IP (Ingress Protection) rating of a waterproof bulkhead connector is another vital aspect to consider. Waterproof connectors are designed to prevent the ingress of moisture and other contaminants, such as foreign bodies and cleaning agents. They are usually sealed with different materials to provide varying levels of protection.

For example, a waterproof connector with an IP68 rating is suitable for use in washing heavy duty waterproof electrical connectors systems and demanding hygiene applications. It is equipped with a locking mechanism to protect the connections from unintentional openings. It is also corrosion-resistant and has plastic threaded rings. Binder’s NCC 770 series of circular waterproof connectors are equipped with this type of protection and are ideal for use in handheld operating devices, LED lighting technology assemblies, and seat heaters for stadiums.


Waterproof bulkhead connectors are an essential component for ensuring the safety of electrical devices in harsh environments. Choosing the right one depends on numerous factors, from the type of environment in which it will be used to the specific needs of your application. For example, the connector should be compatible with the devices it will connect and able to withstand environmental factors like temperature, moisture, and vibration.

Moreover, it is important to consider the size and configuration of the connector. The size and layout can impact the ease of installation, amount of space needed, and compatibility with other components in your system. Additionally, the connector’s IP (Ingress Protection) rating is also important, as it determines how well the connector keeps out dust, dirt, and water.

This RJ45 Waterproof IP67 Bulkhead Connector with Ethernet and 2.1MM Jumper Cable is ideal for outdoor or remote installation of PCB’s, Routers, Access Points, Wireless Bridge, CCTV (closed-circuit monitor series) and other equipment mounted within an enclosure. This thru enclosure bulkhead connector mounts through the enclosure and includes an RJ45 receptacle for data transfer and a 2.1MM x 5.5MM power connector to provide power to internal devices.

To ensure that your waterproof bulkhead connectors stay water-resistant and rust-proof, regularly apply silicone grease to the threads of each connection. You should also perform general cleaning and removal of accumulated grease, dirt, and debris. Using spray-based contact cleaner and isopropyl alcohol is recommended for this purpose. Lastly, before connecting, always make sure that the connector is fully mated and sealed.


The marine environment has a lot to throw at it, and electronics on board need tough connectors that won’t short out in the sun, rain, or saltwater. That’s where a waterproof bulkhead connector is the superhero solution. These rugged power connectors help keep navigation lights and radios on, even when the weather turns nasty.

In addition to their waterproof properties, marine connectors also need to be corrosion-free and have a high tolerance for the harsh conditions found on a boat. Metal connectors have a tendency to corrode over time, especially when exposed to salt spray and other marine chemicals. However, plastic-bodied connectors like those manufactured by PEI-Genesis can resist this corrosion and have a long life span in the marine industry.

The Cobalt Series dry-mate underwater connectors from Blue Trail Engineering are another good choice for marine environments. Their 316 stainless steel shells and PEEK inserts enable them to withstand deep sea water immersion in harsh conditions. They also have a scoop-proof contact design that enables blind mating.

These waterproof connectors are compatible with a variety of cable types and can support low- and high-speed data transfer rates. They have alignment indicators and proven-secure locking mechanisms. Additionally, they have a variety of optional overmolded cable terminations to accommodate different cable constructions. They are also ATEX-approved for use in hazardous environments.

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