Circular Cable Assemblies

Image Part Number Description / PDF Quantity Rfq
1416845

1416845

Phoenix Contact

CBL FMALE TO WIRE LEAD 6P 16.4'

10

1408844

1408844

Phoenix Contact

CBL FMALE TO WIRE LEAD 4P 6.56'

124

1563478

1563478

Phoenix Contact

CBL FMALE RA TO MALE 5POS 9.84'

0

1404182

1404182

Phoenix Contact

CBL MALE RA TO WIRE LD 8P 4.92'

0

1424919

1424919

Phoenix Contact

SENSOR/ACTUATR CBL 3POS PVC 1.5M

1518

1416816

1416816

Phoenix Contact

CBL FMALE TO MALE 4POS 32.8'

106

1521892

1521892

Phoenix Contact

CBL MALE RA TO WIRE LD 4P 32.8'

1

1522529

1522529

Phoenix Contact

CBL MALE TO WIRE LEAD 8POS 32.8'

17101

1408741

1408741

Phoenix Contact

CBL MALE RA TO MALE RA 4P 1.64'

7

1404193

1404193

Phoenix Contact

CBL FMALE RA TO WIRE 8POS 16.4'

37

1418079

1418079

Phoenix Contact

CBL MALE TO MALE 4POS SHLD 65.6'

0

1417882

1417882

Phoenix Contact

CBL FMALE TO MALE 4POS 49.2'

0

1416776

1416776

Phoenix Contact

CBL FMALE TO WIRE LEAD 3P 6.56'

1

1424882

1424882

Phoenix Contact

SENSOR/ACTUATR CBL 5POS PVC 0.5M

9

1669848

1669848

Phoenix Contact

CBL FMALE TO WIRE LEAD 5P 16.4'

380

1682906

1682906

Phoenix Contact

CBL FMALE RA TO WIRE 4POS 4.92'

0

1414114

1414114

Phoenix Contact

CBL FMALE TO MALE 17P SHLD 9.84'

0

1425059

1425059

Phoenix Contact

CBL ASSEMBLY 4POS F TO WIRE 5M

5

1406013

1406013

Phoenix Contact

CBL MALE RA TO WIRE LD 4P 16.4'

65

1424978

1424978

Phoenix Contact

SENSOR/ACTUATOR CBL 4POS PVC 3M

9

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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