The M8 4-Pin Shielded Male & Female Connector is designed for industrial and OEM wiring projects that require four electrical contacts, a compact circular interface and a shielded metal connection structure. The product is supplied as corresponding male and female connector components, allowing cable manufacturers and equipment builders to create a complete mating connection according to their own wiring and installation requirements.
This version uses a long-body housing, providing more physical space behind the mating interface than a standard short-body connector. The additional body length gives technicians and cable assemblers a larger area to handle during soldering, positioning, insulation and subsequent cable processing. It is particularly useful when the connector will later be incorporated into a molded cable assembly or when additional rear-side processing space is needed during production.
A metal knurled coupling shell surrounds the connector body and provides a practical gripping surface for tightening and releasing the mating pair. The connector is mechanically secured through threaded screw coupling, creating a controlled connection that is less likely to loosen unintentionally during normal equipment operation. Although this product belongs to the XP push-pull self-locking connector product family, the actual locking mechanism used on this specific configuration is a threaded coupling structure.
Four rear solder contacts allow individual conductors to be connected directly to the connector without a factory-installed cable. This gives manufacturers freedom to select their own wire gauge, conductor structure, cable jacket, cable length and pin definition. Once soldering is completed, the termination area can be insulated and sealed or placed into an overmolding process to manufacture a finished M8 molded cable.
The shielded construction is intended for applications where electromagnetic interference needs to be considered as part of the complete cable system. When the connector is combined with an appropriate shielded cable and correctly terminated shield structure, it can help maintain shielding continuity between mating cable sections and equipment. This makes the product especially relevant to sensor signals, control circuits and other electrical connections operating near motors, switching components or power electronics.
The connector is designed for IP67 environmental protection when it is correctly assembled, sealed and fully mated. This makes it suitable for applications where dust, moisture and temporary water exposure may be present. Actual waterproof performance depends on the complete finished assembly, including the rear cable termination, sealing process, mating condition and overmolding quality.
Rather than limiting customers to a predefined cable specification, this connector provides a flexible starting point for customized wiring. Xunpu Electronics can support OEM requirements involving connector configuration, cable selection, pin assignment, cable length, shielding structure, opposite-end termination and complete molded cable development according to the customer's equipment design.
Product Name: M8 4-Pin Shielded Male & Female Connector
Connector Size: M8 circular format
Number of Contacts: 4 pins
Gender Configuration: Male and female mating connectors
Housing Version: Long-body design
Shielding: Shielded metal connector structure
Outer Housing: Metal construction
Coupling Surface: Knurled metal grip
Locking Method: Threaded screw coupling
Termination Method: Direct solder termination
Rear Contact Structure: Exposed solder pins for wire attachment
Cable Supply: Connector supplied without fixed cable unless otherwise specified
Waterproof Rating: IP67 when correctly assembled, sealed and mated
Electrical Interface: Four independent conductive contacts
Typical Circuit Use: Signal, control and compatible power connections
Cable Processing: Suitable for customer wiring, insulation and overmolding
Overmolding: Can be integrated into customized molded cable assemblies
Pin Assignment: Defined according to project wiring requirements
Product Category: XP Push-Pull Self-Locking Connector Series
Electrical Ratings: To be confirmed according to the selected configuration and final application requirements
Shielded Metal Construction: The metal connector structure supports applications where cable shielding and electromagnetic compatibility are important. When combined with compatible shielded cable and proper termination, the connector can form part of a continuous shielding system around signal conductors.
Four-Pin Connection Architecture: Four independent contacts allow several electrical functions to pass through one compact connector. Depending on the circuit, the pins may be allocated to power, ground, signal, control or another project-specific combination.
Long-Body Housing: The extended housing version provides additional rear-side space for handling and processing. This can make soldering, insulation, positioning and mold preparation more convenient than with a compact short-body connector.
Threaded Screw Locking: The male and female sides are secured mechanically through the threaded coupling structure. The connection can be tightened after mating, helping maintain engagement during normal operation and equipment movement.
Knurled Grip Surface: Diamond-pattern knurling on the metal coupling section increases the available gripping surface, helping technicians turn the connector during installation and removal without requiring a smooth shell to be handled directly.
Solder-Termination Design: Rear solder contacts allow cable manufacturers to connect conductors directly. This is useful for OEM production because the finished cable is not restricted to one fixed wire specification or predetermined cable length.
IP67 Connection Capability: Once the complete connector and cable assembly is correctly processed and fully mated, the interface is designed to provide IP67-level environmental protection for applications exposed to dust and moisture.
Ready for Cable Overmolding: After electrical termination and inspection, the rear portion can be incorporated into an injection overmolding process. This enables cable manufacturers to create an integrated connector-to-cable transition with additional strain relief and environmental sealing.
Flexible Male & Female Pairing: The corresponding mating sides make it possible to build cable-to-cable, equipment-to-cable or customized detachable connection systems without relying on unrelated connector components.
Four-Wire Electrical Transmission: The connector establishes four separate conductive paths between the male and female sides. These contacts can be configured according to the electrical architecture of the equipment rather than following one fixed universal pin assignment.
Shielded Signal Connection: When integrated with the correct cable construction, the connector supports shield continuity around sensitive electrical conductors and can contribute to improved resistance against interference from surrounding electrical equipment.
Combined Signal and Power Connection: Where the connector's approved electrical ratings permit, four contacts can be divided between suitable power and signal functions, allowing several circuits to share one compact M8 connection point.
Detachable Equipment Interface: Threaded male and female mating allows a sensor, module, cable or peripheral component to be removed for maintenance or replacement without cutting or permanently changing the surrounding wiring.
Environmental Connection Protection: A correctly assembled IP67 connection helps protect the mating interface from dust and moisture in industrial and outdoor equipment applications.
Custom Harness Production: Cable assemblers can choose their preferred conductor specification, cable jacket, shielding arrangement and opposite-end termination before converting the connector into a complete wiring harness.
Molded Cable Manufacturing: The long-body solder version is particularly useful as a connector component for overmolded cable production, enabling manufacturers to create finished M8 cables around application-specific dimensions and wiring requirements.
Industrial Sensor Connections: Industrial sensors often require several conductors for power supply and signal transmission. This four-pin configuration provides a compact mating interface while shielding can be incorporated where the sensor signal needs additional protection against electrical noise.
Electric-Assist Equipment: Electric bicycles and other electric-assist systems use compact wiring for displays, controllers, sensors and compatible low-voltage circuits. The threaded locking and IP67 design make this connector suitable for projects requiring a removable connection in equipment exposed to outdoor conditions.
Industrial Automation Devices: Machines equipped with sensors, control modules or peripheral electrical devices can use the connector as a serviceable interface between field components and the machine wiring harness.
Motor and Drive Adjacent Wiring: Equipment operating near motors, drives and switching components can create electrically noisy conditions. A shielded M8 connector can form part of a properly designed cable system intended to protect sensitive signal lines.
Custom Molded Sensor Cables: Cable manufacturers can solder the required conductors to the connector, establish the shielding connection and then overmold the rear section to create a production-ready cable in the exact length required by the equipment manufacturer.
Outdoor Electronic Equipment: Control devices, compact electrical equipment and sensor systems used in dusty or damp environments can incorporate the connector where a correctly assembled IP67 connection is required.
OEM Wiring Harnesses: Manufacturers can use the same M8 mating interface while changing cable length, conductor type or opposite-end connector for different equipment models, helping standardize one side of the electrical connection.
Replacement Cable Development: If an existing cable assembly is damaged or no longer available, the connector can be evaluated as part of a replacement cable project after the original mating dimensions, pin definition and electrical requirements have been verified.
Control and Measurement Equipment: Four-pin shielded connections can be used in suitable measurement, monitoring and control systems where several electrical paths are required but installation space remains limited.
1. Why is “Long Body” not included in the product name?
Long Body describes the housing version rather than the core connector type. Keeping it in the specifications and product description makes the main product name shorter while still clearly identifying this model as the extended housing version.
2. What does the shielded structure do?
The shielded metal structure is intended to form part of an interference-control system when used with compatible shielded cable. Proper shield termination and grounding are necessary for effective electromagnetic interference management.
3. Are both male and female connectors available?
Yes. This product is designed as corresponding male and female mating connectors. Customers can confirm whether complete pairs or individual mating sides are required for their production.
4. Is the connector supplied with cable?
This configuration can be supplied as a loose connector without a fixed cable, allowing the customer to select the cable specification and perform the required soldering and subsequent molding process.
5. How are wires connected to the four pins?
Conductors are soldered directly to the rear contacts according to the required pin definition. Pin assignments should be checked before soldering, especially when power and signal functions share the same connector.
6. Can this connector be used to make an overmolded cable?
Yes. After the conductors and shielding are terminated, the connector can be processed with suitable molding tooling to create a finished molded cable assembly with rear strain relief and sealing.
7. Is the connection really IP67 waterproof?
The connector is designed for IP67 protection when correctly assembled, sealed and fully mated. Waterproof performance depends on the finished cable assembly and should not be judged from an unfinished loose solder connector alone.
8. Is this a threaded or push-pull connection?
This specific connector uses threaded screw coupling between the male and female parts. It is listed within the XP connector product series, but its actual mechanical locking structure is threaded.
9. Can all four contacts be used for signal transmission?
Yes, provided the electrical requirements are compatible with the connector specification. The contacts may also be divided between signal, ground, control and suitable power functions according to the customer's circuit design.
10. Is this connector suitable for industrial sensor wiring?
Yes. Four-pin M8 connectors are suitable for many sensor and control applications when the mating interface, pinout, voltage, current and environmental requirements match the equipment design.
11. Can I use my own shielded cable?
Yes. Cable selection can be based on the customer's conductor count, wire size, shielding structure, cable diameter and environmental requirements. Compatibility should be verified before volume production.
12. What should I provide for an OEM cable project?
Provide the required cable length, conductor size, cable outer diameter, shielding requirements, four-pin wiring definition, electrical ratings, opposite-end connector or terminal, environmental conditions and expected order quantity. Drawings or existing samples can also help speed up technical confirmation.
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