Circular Cable Assemblies

Image Part Number Description / PDF Quantity Rfq
1300130314

1300130314

Woodhead - Molex

CBL FMALE TO WIRE LEAD 4P 1'

5

0848548027

0848548027

Woodhead - Molex

CBL MALE TO WIRE LEAD 5P 19.69'

0

1203410300

1203410300

Woodhead - Molex

CBL MALE TO MALE 8POS SHLD 1.64'

18

1200650277

1200650277

Woodhead - Molex

CBL FMALE TO WIRE LEAD 4P 32.8'

1

1300060905

1300060905

Woodhead - Molex

CBL FMALE RA TO WIRE 4POS 12'

0

1200705209

1200705209

Woodhead - Molex

CBL ASSEMBLY 8POS M TO WIRE 0.3M

26

1200720300

1200720300

Woodhead - Molex

MIC 3P M/MP 1' AC 22 PVC

0

1200660939

1200660939

Woodhead - Molex

CBL FMALE RA TO MALE 4POS 13.12'

0

1200900038

1200900038

Woodhead - Molex

CBL ASSEMBLY 5POS M TO WIRE 0.3M

115

1200661273

1200661273

Woodhead - Molex

CBL FMALE RA TO MALE 4POS 16.4'

4

1200870238

1200870238

Woodhead - Molex

NC 3P M/MFE 4M ST/ST 22AWG

4

1300000046

1300000046

Woodhead - Molex

CBL ASSEMBLY 3POS F TO WIRE 6'

0

1300250061

1300250061

Woodhead - Molex

CBL FMALE TO MALE 5P SHLD 6.56'

2

1300070143

1300070143

Woodhead - Molex

CBL ASSEMBLY 8POS F TO WIRE 6'

4

1300061438

1300061438

Woodhead - Molex

CBL MALE TO WIRE LEAD 5POS 6'

0

1200660891

1200660891

Woodhead - Molex

CBL FMALE TO MALE 5/4POS 13.12'

4

1200720356

1200720356

Woodhead - Molex

CBL FMALE TO WIRE LEAD 4P 6'

1

1300060162

1300060162

Woodhead - Molex

CBL MALE TO WIRE LEAD 2P 12'

2

1200700246

1200700246

Woodhead - Molex

CBL FMALE TO WIRE LEAD 5P 3.28'

25

1300130061

1300130061

Woodhead - Molex

CBL FMALE TO WIRE LEAD 2P 1'

2

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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