Circular Cable Assemblies

Image Part Number Description / PDF Quantity Rfq
1518290

1518290

Phoenix Contact

CBL FMALE TO MALE 5P SHLD 16.4'

0

1693092

1693092

Phoenix Contact

CBL FMALE TO MALE 5P SHLD 16.4'

30

1419726

1419726

Phoenix Contact

CBL MALE TO WIRE LEAD 17P 1.64'

26

1567270

1567270

Phoenix Contact

CBL FMALE TO MALE 4POS 4.92'

0

1415595

1415595

Phoenix Contact

CBL MALE TO MALE 8POS SHLD 6.56'

1

1404024

1404024

Phoenix Contact

CBL FMALE TO MALE 4POS 1.97'

2

1683552

1683552

Phoenix Contact

CBL FMALE TO MALE 3POS 3.28'

0

1406126

1406126

Phoenix Contact

CBL MALE RA TO WIRE LD 4P 6.56'

8

1681855

1681855

Phoenix Contact

CBL FMALE TO WIRE LEAD 4P 9.84'

38

1417928

1417928

Phoenix Contact

CBL FMALE RA TO WIRE 4POS 65.6'

0

1417913

1417913

Phoenix Contact

CBL FMALE TO MALE 8POS 16.4'

22

1406120

1406120

Phoenix Contact

CBL FMALE TO WIRE LEAD 8P 6.56'

44

1401031

1401031

Phoenix Contact

CBL FMALE RA TO MALE 5POS 3.28'

0

1411544

1411544

Phoenix Contact

CBL FMALE TO MALE 4P SHLD 3.28'

0

1424233

1424233

Phoenix Contact

CBL FMALE TO WIRE LEAD 5P 1.64'

6

1442832

1442832

Phoenix Contact

CBL FMALE TO MALE 4POS 0.98'

36

1619277

1619277

Phoenix Contact

CBL FMALE TO WIRE LEAD 17P 6.56'

0

1406081

1406081

Phoenix Contact

CBL FMALE TO WIRE LEAD 8P 32.8'

231

1418067

1418067

Phoenix Contact

CBL MALE TO WIRE LEAD 4POS 98.4'

0

1417887

1417887

Phoenix Contact

CBL FMALE TO MALE 4P SHLD 32.8'

0

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.

RFQ BOM Call Skype Email
Top