Circular Cable Assemblies

Part Number	Description / PDF	Quantity
PXPPVC12FBF04DCL010PVC Bulgin	CBL FMALE TO WIRE LEAD 4P 3.28'	89
PXPTPU12RAM04DCL010PUR Bulgin	CBL MALE RA TO WIRE LD 4P 3.28'	80
PXPTPU08RAF05BCL010PUR Bulgin	CBL FMALE RA TO WIRE 5POS 3.28'	1
PXPTPU12FBF08XCL030PU Bulgin	CBL FMALE TO WIRE LEAD 8P 9.84'	25
PXPPVC12RAF05ACL010PVC Bulgin	CBL FMALE RA TO WIRE 5POS 3.28'	79
PXPPVC12RAM05ACL010PVC Bulgin	CBL MALE RA TO WIRE LD 5P 3.28'	98
PXPPNP12FBF04AFI003PUR Bulgin	CBL M12 A M TO F 4POS 0.3M	50
PXPTPU12RAM12ACL010PUR Bulgin	CBL MALE RA TO WIRE 12POS 3.28'	181
PXPPNP12RAF04ACL030PVC Bulgin	CBL M12 A F R/A TO WIRE 4POS 3M	50
PXPPVC08FIM04PCL010PVC Bulgin	CBL M8 P MALE 4POS TO WIRE 1M	0
PXPTPU12FBF08ACL010PUR Bulgin	CBL FMALE TO WIRE LEAD 8P 3.28'	27
PXPTPU12FBF05LCL010PUR Bulgin	CBL M12 L FMALE TO WIRE 5POS 1M	25
PXPPNP12FBF04ACL030PVC Bulgin	CBL M12 A FMALE TO WIRE 4POS 3M	50
PXPPNP08FIM04ACL050PVC Bulgin	CBL M8 A MALE TO WIRE 4POS 5M	50
PXPTPU08FBF04ACL010PUR Bulgin	CBL FMALE TO WIRE LEAD 4P 3.28'	149
PXPTPU12FBF08XCL010PU Bulgin	CBL FMALE TO WIRE LEAD 8P 3.28'	24
PXPTPU05FBF04ACL010PUR Bulgin	CBL FMALE TO WIRE LEAD 4P 3.28'	0
PXPPNP08RAF04ACL015PVC Bulgin	CBL M8 A FMALE R/A TO WIRE 4POS	50
PXS410/02/08S Bulgin	CBL ASSEMBLY 8POS F TO WIRE 2M	25
PXPPVC08RAM03ACL010PVC Bulgin	CBL MALE RA TO WIRE LD 3P 3.28'	97

Circular Cable Assemblies

1. Overview

Circular Cable Assemblies are engineered interconnect solutions designed to transmit electrical signals or power through circular-shaped connectors. These assemblies combine multiple wires or cables terminated with circular connectors, ensuring reliable connectivity in demanding environments. Their importance spans across industries requiring robust, high-density, and high-performance connections, particularly in applications where space constraints and environmental resilience are critical.

2. Main Types and Functional Classification

Type	Functional Features	Application Examples
Circular Push-Pull	Quick-mating design with mechanical locking	Industrial automation, medical devices
Circular Threaded	Vibration-resistant threaded coupling	Aerospace, military equipment
Waterproof Circular	IP67+ sealing against liquids and dust	Outdoor telecom equipment, underwater sensors
High-Density Circular	Miniaturized contacts for compact designs	Avionics, robotics

3. Structure and Components

A typical circular cable assembly consists of:

Conductors: Copper/aluminum for signal/power transmission
Insulation: PVC/TPE/PUR jackets for dielectric protection
Shielding: Braided copper or foil for EMI/RFI protection
Connector Housing: Metal/plastic shells with precision contacts
Retention System: Latches, threads, or bayonet couplings

Modular designs allow customization with hybrid signal/power/RF configurations.

4. Key Technical Specifications

Parameter	Importance
Current Rating (Amps)	Determines power transmission capacity
Voltage Rating (Volts)	Defines dielectric strength and safety margins
Contact Resistance (m )	Impacts signal integrity and power efficiency
Operating Temperature (-40 C to +125 C)	Ensures reliability in extreme environments
Mating Cycles (1000-10,000)	Indicates mechanical durability
IP Rating (IP65-IP68)	Defines environmental protection level

5. Application Fields

Primary industries include:

Industrial Automation: PLCs, CNC machines, robotic arms
Telecommunications: 5G base stations, fiber optic enclosures
Medical Equipment: MRI scanners, patient monitoring systems
Aerospace: Avionics, flight control systems
Transportation: Rail signaling systems, EV charging stations

Case Study: In automotive manufacturing, circular assemblies enable high-vibration resistance connections in robotic welding cells operating 24/7.

6. Leading Manufacturers and Products

Manufacturer	Representative Product
TE Connectivity	DEUTSCH DT Series circular connectors
Amphenol	CIRCULAR C Series high-density connectors
Molex	Circular Rast 55 series for industrial control
Delphi	Weatherproof automotive circular connectors

7. Selection Guidelines

Key considerations:

Electrical requirements (current/voltage profiles)
Environmental conditions (temperature, moisture, chemical exposure)
Mechanical demands (vibration, mating cycles, cable bend radius)
Space constraints (connector size and orientation)
Industry-specific certifications (e.g., MIL-STD, UL, RoHS)

Recommend verifying compatibility with existing infrastructure and performing thermal cycling tests for critical applications.

8. Industry Trends

Emerging developments include:

Miniaturization while maintaining high contact density
Integration of fiber optics and high-speed data transmission
Adoption of composite materials for weight reduction
Growing demand for waterproof connectors in outdoor IoT deployments
Standardization of hybrid power/signal interfaces in EV charging

Market forecasts predict 8.2% CAGR through 2027 driven by industrial IoT and 5G infrastructure investments.