Circular Cable Assemblies

Image Part Number Description / PDF Quantity Rfq
1406327

1406327

Phoenix Contact

CBL FMALE RA TO WIRE 4POS 6.56'

87

1430129

1430129

Phoenix Contact

CBL FMALE TO WIRE LEAD 12P 4.92'

12

1416821

1416821

Phoenix Contact

CBL FMALE TO WIRE LEAD 5P 16.4'

107

1521915

1521915

Phoenix Contact

CBL FMALE TO WIRE LEAD 4P 4.92'

28

1518614

1518614

Phoenix Contact

CBL FMALE TO WIRE LEAD 4P 98.4'

0

1551558

1551558

Phoenix Contact

CBL MALE TO WIRE LEAD 4POS 1.64'

0

1507489

1507489

Phoenix Contact

CBL FMALE TO WIRE LEAD 5P 16.4'

48

1442528

1442528

Phoenix Contact

CBL FMALE TO WIRE LEAD 5P 9.84'

9

1522862

1522862

Phoenix Contact

CBL FMALE TO WIRE LEAD 8P 4.92'

4

1682773

1682773

Phoenix Contact

CBL MALE RA TO WIRE LD 5P 16.4'

21

1416689

1416689

Phoenix Contact

CBL FMALE TO MALE 5P SHLD 6.56'

42

1542703

1542703

Phoenix Contact

CBL MALE TO WIRE LEAD 5POS 1.64'

0

1694826

1694826

Phoenix Contact

CBL FMALE TO WIRE LEAD 4P 16.4'

17

1682456

1682456

Phoenix Contact

CBL FMALE RA TO MALE RA 4P 9.84'

0

1682100

1682100

Phoenix Contact

CBL FMALE RA TO MALE RA 4P 0.98'

0

1694499

1694499

Phoenix Contact

CBL FMALE TO WIRE LEAD 3P 9.84'

0

1693089

1693089

Phoenix Contact

CBL FMALE TO MALE 4POS 4.92'

24

1416469

1416469

Phoenix Contact

CBL MALE TO WIRE LEAD 3POS 3.28'

19163

1425631

1425631

Phoenix Contact

CONN 4POS MALE-0.2M WIRE LEAD

5

1668056

1668056

Phoenix Contact

CBL MALE TO WIRE LEAD 4POS 9.84'

5420

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.

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