Circular Cable Assemblies

Image Part Number Description / PDF Quantity Rfq
1517903

1517903

Phoenix Contact

CBL MALE TO WIRE LEAD 5POS 49.2'

0

1682760

1682760

Phoenix Contact

CBL MALE RA TO WIRE LD 5P 9.84'

1

1424903

1424903

Phoenix Contact

SENSOR/ACTUATOR CBL 4POS PVC 2M

1529

1420953

1420953

Phoenix Contact

CBL FMALE TO WIRE LEAD 3P 3.28'

165

1419331

1419331

Phoenix Contact

CBL FMALE TO WIRE LEAD 5P 6.56'

41

1424605

1424605

Phoenix Contact

CBL 5POS RA FEMALE-WIRE 1.5M

9

1416572

1416572

Phoenix Contact

CBL MALE TO WIRE LEAD 3POS 6.56'

173

1417902

1417902

Phoenix Contact

CBL FMALE TO MALE 5POS 16.4'

304

1682045

1682045

Phoenix Contact

CBL FMALE TO MALE RA 4POS 4.92'

0

1418068

1418068

Phoenix Contact

CBL MALE TO WIRE LEAD 4P 131.2'

0

1416544

1416544

Phoenix Contact

CBL FMALE TO MALE 2POS 16.4'

59

1403971

1403971

Phoenix Contact

CBL FMALE TO MALE 4POS 9.84'

0

1455735

1455735

Phoenix Contact

CBL FMALE TO MALE 4P SHLD 4.92'

0

1694787

1694787

Phoenix Contact

CBL FMALE TO WIRE LEAD 4P 16.4'

0

1622229

1622229

Phoenix Contact

CBL MALE TO WIRE LEAD 13P 32.8'

0

1699876

1699876

Phoenix Contact

CBL MALE TO WIRE LEAD 5POS 9.84'

555

1507573

1507573

Phoenix Contact

CBL FMALE TO MALE 5P SHLD 32.8'

2

1681664

1681664

Phoenix Contact

CBL MALE TO WIRE LEAD 3POS 4.92'

0

1501317

1501317

Phoenix Contact

CBL FMALE RA TO MALE 3POS 6.56'

220

1671124

1671124

Phoenix Contact

CBL MALE TO WIRE LEAD 5POS 1.64'

16

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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