Circular Cable Assemblies

Image Part Number Description / PDF Quantity Rfq
1668917

1668917

Phoenix Contact

CBL FMALE RA TO MALE RA 4P 0.98'

0

1417772

1417772

Phoenix Contact

CBL MALE TO WIRE LEAD 6POS 3.28'

5

1668658

1668658

Phoenix Contact

CBL FMALE RA TO MALE RA 4P 4.92'

0

1682346

1682346

Phoenix Contact

CBL FMALE RA TO MALE 3POS 0.98'

1

1694428

1694428

Phoenix Contact

CBL FMALE RA TO WIRE 3POS 32.8'

1

1521818

1521818

Phoenix Contact

CBL MALE TO WIRE LEAD 4POS 4.92'

144

1416580

1416580

Phoenix Contact

CBL MALE TO WIRE LEAD 5POS 3.28'

0

1668438

1668438

Phoenix Contact

CBL FMALE RA TO MALE 4POS 0.98'

0

1542677

1542677

Phoenix Contact

CBL FMALE TO WIRE LEAD 6P 1.64'

45

1681703

1681703

Phoenix Contact

CBL MALE RA TO WIRE LD 4P 9.84'

0

1554571

1554571

Phoenix Contact

CBL MALE TO WIRE LEAD 8POS 1.64'

0

1424890

1424890

Phoenix Contact

SENSOR/ACTUATOR CBL 5POS PVC 5M

613

1558360

1558360

Phoenix Contact

CBL FMALE TO WIRE LEAD 4P 6.56'

263

1682618

1682618

Phoenix Contact

CBL MALE TO WIRE LEAD 4POS 9.84'

27

1406226

1406226

Phoenix Contact

CBL MALE TO WIRE LEAD 4POS 6.56'

534

1681677

1681677

Phoenix Contact

CBL MALE TO WIRE LEAD 3POS 9.84'

23

1424923

1424923

Phoenix Contact

SENSOR/ACTUATOR CBL 3POS PVC 2M

2030

1404043

1404043

Phoenix Contact

CBL MALE TO WIRE LEAD 5POS 32.8'

0

1668140

1668140

Phoenix Contact

CBL MALE RA TO WIRE LD 4P 9.84'

0

1411604

1411604

Phoenix Contact

CBL MALE TO WIRE LEAD 4POS 1.64'

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.

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