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Waterproof Connectors
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Connector type
The connector type can be used to distinguish our products for installation in a device housing from cable parts. The connector type describes the difference between connectors that are mounted on enclosures, connectors that are mounted on cables, and other connection componentsdistributing signal and power.
Number of contacts
This indicates the number of contacts the connector has.
Gender
A connector consists of the male part (pin) and the female part (socket). Depending on the design, the male or female part is either permanently installed or are located at the end of a cable.
Version
The choice of version allows the definition of the cable outgoing.
Locking Type
The locking system describes how the pin and socket elements are joined.
Termination
The termination type determines how cables, single wires or PCBs can be joined with the connector.
Coding
The connector elements, pin and socket, must be brought into form-fitting alignment with one another (coding) before locking. This prevents mismating.
Shielded Option
Electromagnetic compatibility (EMC) means that a connector is shielded or shieldable. This is required when it is necessary to protect the signals or data conducted by the connector, as well as to protect external devices, from disturbance due to electromagnetic effects.
Material of housing
Depending on the area of application or requirements, connectors are made of different materials. We offer metal and plastic housings for our items as the housing material.
Approval
Our articles have various approvals which can be preselected here. can be preselected here.
Rated current
The rated current is the electrical current that is assigned to the connector.
Rated voltage
The rated voltage is the electrical voltage assigned to the connector.
Locking material
Depending on the technical requirements or performance data of the connector, the locking mechanism is made of plastic or metal.
Cable length
Our items with molded or pre-assembled cables have different cable lengths. It describes the length of the cable from the end of the connector. If the desired cable length is not included, please contact our sales department.
Cable type
By selecting the cable type, a preselection for the respective application can be carried out.
Cable Jacket Type
The material of the cable jacket. PUR, TPE, TMPU or TPE-U cables each have different technical properties.
Cable color
The color of the cable jacket.
Industry
The most important sectors recommended for the requirements, standards and typical applications of the corresponding binder articles.
Single wire length
The stranded wire is an electrical conductor consisting of thin individual wires and is therefore easy to bend. The individual wires of the stranded wire are usually enclosed in a common insulating sheath and come in different wire lengths.
Mounting orientation
The mounting orientation for flange connectors defines the side from which an item can be mounted.
Mounting thread
There are different thread sizes for the device-side connection, depending on the design. These are available in different variants.
Cross section
The connection cross-section defines the possible size of a stranded wire on a contact in the flange or field attachable connector. Cross-sections from 0.08mm² to 6.0mm² are possible here. Since various industry are also using wires according to the American Wire Gauge (AWG), both units are reflected.
Cable outlet
Field attachable connectors can be assembled with different cables. The cable aperture indicates the possible cable diameters that can be used on an article.
Series
The series indicates the product category of binder circular connectors and serves as a guide for selection.
Contact Plating
The contact surface refers to the plating of the contacts (e.g., gold or silver) and affects conductivity, corrosion resistance, and the service life of the circular connector.
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Waterproof Connectors

Waterproof electrical connectors are designed for industrial and outdoor applications where protection against moisture, dust, and occasional splashing is essential. Their robust construction ensures reliable connections for sensors, machinery, and automation systems.


What defines waterproof electrical connectors


Waterproof connectors provide protection against water ingress and dust, typically linked to IP67, IP68, or IP69K ratings. They are engineered to maintain reliable operation even in damp or outdoor conditions, combining durability with straightforward installation.


A key consideration is the environment in which they are deployed. Outdoor sensors, factory machinery exposed to moisture, and control systems in damp production areas all require varying levels of waterproofing. Selecting the correct IP rating ensures long-term reliability while balancing cost and efficiency.


Applications for waterproof connectors:


• Industrial automation and robotics
• Production machinery
• Outdoor sensors and measurement technology
• Transport and logistics systems

Frequently Asked Questions about Waterproof Electrical Connectors (FAQ)


What are waterproof connectors?


Connectors that reliably protect against water and moisture through sealed designs – rated IP67, IP68 or IP69K depending on the requirement.


Which IP rating is considered waterproof?


Typically IP67, IP68 and IP69K, depending on the application. IP65 protects against water jets but not against immersion.


What is the difference between IP65, IP67 and IP68?


IP65 protects against water jets from any direction, IP67 against temporary immersion (up to 1 m, 30 minutes) and IP68 against continuous immersion under defined conditions. The second digit is not cumulative.


Are waterproof connectors suitable for underwater use?


Only IP67 (temporary) and IP68 (continuous) are designed for immersion. IP65 and IP69K do not cover immersion.


Where are waterproof connectors typically used?


In industrial automation, outdoor sensors, production machinery and control systems exposed to moisture or water.


Are waterproof connectors suitable for outdoor applications?


Yes, they are designed for rain, moisture and weather exposure. In addition, UV resistance, temperature range and corrosion protection should be considered depending on the location.


Are waterproof connectors available in different pin configurations?


Yes, they are available in a wide range of pin counts, codings and sizes.


How do I choose the right waterproof connector for my application?


The key factors are the actual water exposure (jets, immersion, high-pressure cleaning), the matching IP rating, and pin count, coding and system requirements.

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