Circular Cable Assemblies

Image Part Number Description / PDF Quantity Rfq
9456690200

9456690200

Weidmuller

CBL MALE RA TO WIRE LD 4P 6.56'

20

1059750100

1059750100

Weidmuller

CBL ASSY 4POS M TO WIRE SHD 10M

5

1005271000

1005271000

Weidmuller

CBL FMALE RA TO MALE 4POS 32.8'

5

1925470300

1925470300

Weidmuller

CBL FMALE RA TO WIRE 4POS 9.84'

13

1309870030

1309870030

Weidmuller

CBL ASSY 4POS MALE TO MALE 3M

5

9457340030

9457340030

Weidmuller

CBL FMALE TO MALE 5POS 0.98'

20

9457770300

9457770300

Weidmuller

CBL FMALE TO MALE 4POS 9.84'

17

1938181000

1938181000

Weidmuller

CBL FMALE RA TO MALE 4POS 32.8'

14

1279410150

1279410150

Weidmuller

CBL MALE TO WIRE LEAD 8POS 4.92'

10

1279411000

1279411000

Weidmuller

CBL MALE TO WIRE LEAD 8POS 32.8'

6

1025950300

1025950300

Weidmuller

CBL ASSY 4POS MALE TO M SHD 30M

5

9457771000

9457771000

Weidmuller

CBL FMALE TO MALE 4POS 32.8'

0

9457270060

9457270060

Weidmuller

CBL FMALE RA TO MALE 5POS 1.97'

12

1812550150

1812550150

Weidmuller

CBL FMALE TO MALE 4POS 4.92'

10

1310000015

1310000015

Weidmuller

CBL ASSY 4POS MALE TO MALE 1.5M

5

9457730150

9457730150

Weidmuller

CBL FMALE TO WIRE LEAD 4P 4.92'

0

1906311000

1906311000

Weidmuller

CBL FMALE RA TO MALE RA 4P 32.8'

13

9457230090

9457230090

Weidmuller

CBL FMALE TO MALE 4POS 2.95'

14

9457490100

9457490100

Weidmuller

SAIL-ZW-M8BG-3-1.0U

11

9457731000

9457731000

Weidmuller

CBL FMALE TO WIRE LEAD 4P 32.8'

1488

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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