7/8 inch connectors are often used in applications that require high frequency transmission or larger currents, such as communications equipment, antenna systems, radar, and other radio frequency (RF) applications.
In this 7/8" type of connector, Premier Cable factory produces nearly 35 products, including 7/8" adapters, Mini-change Field Attachable Connector, Fieldbus Connector, Power and Signal Connector cable, Sensor Connector, Eurofast Connector etc. For more information, please contact sales03@PCM-cable.net
1. 7/8"Adapter



Connection location
7/8 Mini-Change Adapter for Fieldbus DeviceNet NMEA 2000 is used to connect power supply devices to the power input in industrial automation systems to ensure stable power transmission.
Mini-Change 7/8 connector Coupler Gender Changer is used to connect sensors, actuators or other field devices to the input and output of the control system to ensure reliable signal transmission.
Mini-Change 7/8 connector Coupler Gender Changer is used to connect different devices or modules to achieve data exchange or system integration; between automation control systems and field devices, this adapter can help connect controllers (such as PLCs) with field devices (such as sensors, actuators).
NMEA 2000 Micro-Change M12 to Mini-Change Adapter
DeviceNet Unit Shielded Connector M12 to 7/8" enables seamless connectivity between devices equipped with Micro-Change M12 connectors and Mini-Change connectors. Suitable for marine and industrial applications, it ensures compatibility and reliable communication between different connector types, supporting efficient system integration and performance.

Bus system T-connector DeviceNet M12 A-Code to 7/8"-16UNF Parallel distributor
The M12 to 7/8 inch T connector is suitable for a variety of communication protocols and equipment systems, including DeviceNet, PROFIBUS, CANopen and EtherNet/IP, which are common protocols in industrial automation and control systems. It is used to connect industrial sensors, actuators and control devices, ensuring stable transmission of data and control signals between different devices, and optimizing system integration and efficiency.

2. 7/8" Splitter
Circular connectors with a 7/8" outer diameter typically come with a variety of pin configurations, depending on the specific model and application. Here are some common pin configurations for 7/8" circular connectors:
First, H-splitter

2 Pins: Used for basic electrical connections where only two conductors are needed.
3 Pins: Commonly used for applications requiring a ground connection along with two signal or power conductors.
4 Pins: Often used for balanced audio signals, where two pairs of conductors (positive and negative for each channel) are required.
5 Pins: Used for applications needing additional control or signal lines, such as in some industrial sensor connections.
7 Pins: Common in data transmission applications where multiple signal lines are required, such as in Ethernet or other communication protocols.
9 Pins: Sometimes used in industrial control systems or applications requiring multiple signal and control lines.
More than 9 Pins: Depending on the specific connector series and manufacturer, 7/8" circular connectors can have configurations with more pins, such as 12, 19, or even more, for complex applications involving power distribution, data transmission, or control signals.
T-coupler H-coupler7/8" male to female 3-pole Parallel circuit

12 Pins
Control Signals: Can accommodate various control signals in industrial automation or machinery.
Data Transmission: Used in applications where multiple data lines are needed, such as in Ethernet or industrial data networks.
Mixed Signal and Power: Often used in scenarios where a combination of signal lines and power conductors is required, providing flexibility for different types of connections.
19 Pins
High-Density Data Transmission: Used in applications requiring a high number of data lines, such as in high-speed data communication protocols or digital signals.
Multichannel Control: Suitable for applications needing numerous control signals, allowing for complex systems to be interconnected.
Power Distribution: In some cases, a portion of the pins might be dedicated to power transmission or distribution, depending on the connector's design and specifications.


6 Pin
Power and Signal Combination: Used in applications where a combination of power and signal lines is required. Example: 4 pins for signal lines and 2 pins for power.
Industrial Automation: Frequently used in industrial sensors and actuators.
Common in control systems where multiple signals need to be transmitted.
Data Transmission: Suitable for certain communication protocols that require six lines, such as RS-232/RS-485 or other serial communication standards.
Motor Connections: Can be used for connecting motors that require multiple phases plus additional control lines.
Lighting Systems: Used in lighting systems where control signals (such as DMX) and power lines are combined.
Audio/Visual Equipment: May be used for balanced audio signals or other AV equipment requiring multiple connections.
Second, Tee splitter
General Advantages:
Versatility: Available in multiple pin configurations to suit different application needs.
Standardization: Commonly used standards ensure compatibility across various devices and systems.
Reliability: Secure and stable connections reduce the risk of disconnections or failures in critical systems.
Durability: Designed to withstand harsh industrial environments with resistance to dust, moisture, and mechanical stress.
Ease of Installation: Tee connectors simplify wiring by allowing a single connector to branch into multiple connections, reducing the complexity of cabling.



Advantages by Pin Configuration
2-pin Connectors
Simplicity: Ideal for straightforward power connections, reducing wiring complexity.
Compact Size: Smaller size can be beneficial in space-constrained applications.
3-pin Connectors
Power and Signal: Can provide power and a single signal or ground, making them suitable for sensors and basic devices.
Flexibility: Versatile for various applications requiring a single signal path.



4-pin Connectors
Enhanced Functionality: Allows for power, ground, and two signal lines, making them ideal for more complex devices.
Balanced Design: Good balance between simplicity and functionality for medium complexity applications.
5-pin Connectors
Additional Signals: Supports multiple signal or control lines along with power, suitable for more advanced devices.
Expanded Use: Ideal for applications requiring more data lines or control signals, such as sophisticated sensors and actuators.
6-pin Connectors
Maximum Versatility: Offers the highest number of connections for complex systems with multiple signal requirements.
Advanced Applications: Suitable for applications needing extensive control and communication lines, such as advanced automation systems and communication devices.
3. 7/8"Sensor & Power Cable
First, 7/8" field wireable connector
7/8" British field wireable threaded connector is one of the most important connectors in the current factory automation and fieldbus fields. 7/8" connector meets the structural requirements of integrating signal and power transmission, and is widely used in sensors and actuators, motors, packaging and transmission systems, outdoor LED modules, rail transportation, ship radar and navigation, as well as fieldbus DeviceNet and NMEA 2000 open network systems. Our 7/8" inch connector design takes into account various harsh use environments and covers application requirements in various climates and occasions, such as: high and low temperature resistance, water and alkali resistance, oil resistance, corrosion resistance, UV resistance, bending resistance, wear resistance, plug resistance, etc.
Premier Cable factory specializes in producing various types of 7/8" field wireable connectors, including plastic shell and copper shell options to meet the needs of different application scenarios.




Second, 7/8" Feed-through Automation Panel Circular Sensor Connector
Metal 7/8" Feed-Through Panel Circular Connectors offer high mechanical strength and excellent electromagnetic shielding, providing reliable electrical connections in harsh environments. They are commonly used in industrial automation, heavy machinery, and transportation systems to ensure signal integrity and corrosion resistance while reducing maintenance requirements and accommodating high temperature and high voltage applications.


Third, DeviceNet Trunk Mini-C with terminator resistor 5 pole
7/8" terminal resistor is an industrial connection component, usually including a 120 ohm resistor, used to ensure the integrity of network signals and prevent signal reflection.
It is made of rugged materials, suitable for harsh industrial environments, with high mechanical strength and high protection level (such as IP67), commonly used in DeviceNet and other fieldbus systems to ensure reliable communication and network stability.


Typical Applications:
DeviceNet Networks:
Used to terminate DeviceNet communication lines, ensuring proper network performance.
Industrial Automation Systems:
Essential in automation systems for maintaining reliable communication between sensors, actuators, and controllers.
Manufacturing Environments:
Common in manufacturing settings where robust and reliable network connectivity is crucial.
Fieldbus Networks:
Suitable for use in various fieldbus systems, providing proper termination to maintain network integrity.
Outdoor and Harsh Environments:
Ideal for outdoor applications or environments exposed to dust, moisture, and mechanical stress.
Fourth, Actuator sensor 7/8" Circular Connector Power Cable
7/8" circular connector power cable is a high-performance cable designed for industrial applications. It uses a 7/8-inch circular connector to provide stable and reliable power transmission. With excellent durability and anti-interference capabilities, this cable is suitable for power connection needs in various harsh environments. Its design ensures excellent mechanical connection and electrical performance, and is widely used in automation equipment, mechanical systems, and other industrial equipment.
We can also customize this connector into a European standard plug or an American plug according to your needs to adapt to the power connection requirements of different regions.



"7/8"-16UNF Inter bus Power Supply Cable" is a cable designed to provide reliable power connection for electronic devices. One end of the cable is equipped with a standard 7/8-inch circular connector, which is suitable for various industrial equipment and professional applications, providing stable electrical connection and durability.
The other end is connected to a common IEC C13 socket, which is suitable for home and office equipment such as desktop computers, servers, printers, etc. This design ensures that the device can obtain power safely and reliably, meeting the needs of long-term stable operation of the device.
7/8" Circular Connector to IEC C13 Power Cable


Power Supply Molded Cable with 7/8"Connector 3 Pin is a high-quality power cable designed for power transmission in industrial and commercial applications. The cable is manufactured using a molding process to ensure the reliability and durability of the connection. One end is equipped with a 7/8-inch 3-pin circular connector, which is suitable for various heavy equipment and machinery, providing a stable electrical connection and protection.
The molded design not only enhances the waterproof and abrasion resistance of the cable, but also improves the overall mechanical strength to adapt to various harsh working environments. This power cable is an ideal choice tailored for application scenarios that require high reliability and durability.
7/8 inch Circular Sensor Actuator Power Cable
7/8"-16UNF Power Cable (5-pin Male to Open End) is a high-performance connection cable designed for industrial applications. The cable is equipped with a standardized 7/8"-16UNF 5-pin male connector on one end and an open end on the other end, which is convenient for flexible connection to various devices. Its rugged design enables it to operate reliably in harsh industrial environments, providing stable power and signal transmission.
This cable is widely used in industrial automation, robots, production line equipment, heavy machinery, and various industrial power connections. Its durable shell and high-quality conductor materials ensure the long life and high performance of the cable. 7/8"-16UNF power cable is an indispensable connection component for various industrial equipment, providing excellent power and signal transmission solutions for your system.

DeviceNet Mini-Change 5 Poles Thick Trunk Cable
The DeviceNet Backbone Extension Cable 7/8" 5-pin male to female is a high-quality industrial cable designed for DeviceNet networks. This cable is equipped with a 7/8" 5-pin male connector on one end and a 7/8" 5-pin female connector on the other end, making it an ideal choice for extending DeviceNet networks. Its rugged design provides reliable performance in a variety of industrial environments.
This cable is widely used in industrial automation systems to connect controllers, sensors, actuators and other DeviceNet devices to ensure stable transmission of data and power. Its durable outer shell and high-quality conductor materials ensure the long life and high performance of the cable under harsh conditions. The DeviceNet Backbone Extension Cable provides flexible extension and efficient connection solutions for your network.


DeviceNet Mini Trunk Cordset Thick Cable 7/8-16UN2 connector
The DeviceNet Mini Backbone Spiral Cable with 7/8-16UN2 connector is a well-designed industrial connection solution. Its unique spiral form allows the cable to freely adjust between stretching and contracting, providing excellent flexibility and adaptability, making it ideal for use in environments with limited space or frequent movement.
This cable uses durable outer shell materials that can withstand harsh industrial conditions, including oil, abrasion and UV exposure. The thick cable design enhances the current transmission capability, making it suitable for high-power applications. The standardized 7/8-16UN2 connector ensures compatibility with a variety of DeviceNet devices and provides a reliable and stable connection.
Whether it is industrial automation, production line equipment or heavy machinery, this spiral cable can provide a flexible and rugged power and signal connection solution for your system, helping the efficient operation and long-term stability of the equipment.
Fifth, NMEA 2000 PROFIBUS DeviceNet 7/8" Mini-change Tee splitter Y-splitter H-type Circular Connector Cable
NMEA 2000, PROFIBUS, DeviceNet 7/8" Mini-change Tee Distributor (Y-type distributor, H-type circular connector cable) is a high-performance industrial connection solution designed to simplify complex network topologies. The distributor provides T-type, Y-type and H-type connection options to establish reliable connections between trunk cables and branch devices.
Its rugged design is suitable for a variety of harsh industrial and maritime environments, ensuring long-term stable performance. The distributor adopts 7/8" Mini-change circular connectors and is compatible with multiple communication protocols such as NMEA 2000, PROFIBUS and DeviceNet, making it an ideal choice for expanding and maintaining communication networks.
This distributor greatly simplifies the installation and connection process of equipment, reduces wiring time and material costs, and improves network flexibility and reliability. Whether in industrial automation systems or maritime communication networks, this distributor is a key component for efficient and reliable connections.



DeviceNet CAN Bus Adapter cable Micro-change M12 A-coded 5-pin to 7/8″ Mini-change connector
Premier Cable factory manufactures three different types of M12 to 7/8" connectors and cables, including 7/8" male to M12 female, 7/8" female to M12 male connectors, and M12 female extension cable 7/8" male to female tee connectors. These solutions are designed to meet a variety of device connection needs, ensuring high quality and reliability.



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