Circular Cable Assemblies

Image Part Number Description / PDF Quantity Rfq
1200651695

1200651695

Woodhead - Molex

CBL MALE RA TO WIRE LD 5P 32.8'

0

1200661044

1200661044

Woodhead - Molex

CBL FMALE TO MALE 5POS 49.2'

1

1200680195

1200680195

Woodhead - Molex

CBL ASSY 4POS MALE TO FMALE 0.3M

4

1200651694

1200651694

Woodhead - Molex

CBL MALE RA TO WIRE 5POS 19.69'

0

1200651132

1200651132

Woodhead - Molex

CBL MALE TO WIRE LEAD 5P 19.69'

0

1300130202

1300130202

Woodhead - Molex

CBL MALE TO WIRE LEAD 3POS 1'

61

1300060902

1300060902

Woodhead - Molex

CBL FMALE RA TO WIRE 4POS 6'

4

1200720350

1200720350

Woodhead - Molex

MIC 4P FP 20 FT 22/4 SHIELDED

0

1200660271

1200660271

Woodhead - Molex

CBL FMALE TO MALE 5/4POS 6.56'

0

1200660700

1200660700

Woodhead - Molex

CBL FMALE TO MALE 4POS 98.4'

1

1200661035

1200661035

Woodhead - Molex

CBL FMALE TO MALE 5POS 6.56'

1

1200720393

1200720393

Woodhead - Molex

MIC 4P FP 12F 90D 22/4 SHIELD

0

1201080032

1201080032

Woodhead - Molex

MIC D-CODE M/ME 4P 2PR 45M

2

1300061002

1300061002

Woodhead - Molex

CBL MALE TO WIRE LEAD 4P 12'

0

1300100493

1300100493

Woodhead - Molex

CBL FMALE TO MALE 3POS 26.2'

5

1200870243

1200870243

Woodhead - Molex

CBL ASSY 3POS MALE TO FEMALE 1M

7

1200270152

1200270152

Woodhead - Molex

CBL FMALE RA TO WIRE 4POS 6.56'

2

1200650293

1200650293

Woodhead - Molex

CBL FMALE TO WIRE LEAD 4POS 82'

0

1300061226

1300061226

Woodhead - Molex

CBL ASSEMBLY 5POS F TO WIRE 10M

4

1300480106

1300480106

Woodhead - Molex

CBL ASSY 4POS MALE TO MALE 14M

8

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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