Circular Cable Assemblies

Image Part Number Description / PDF Quantity Rfq
1925520150

1925520150

Weidmuller

CBL MALE RA TO WIRE LD 4P 4.92'

0

1108821000

1108821000

Weidmuller

CBL MALE TO WIRE LEAD 5POS 32.8'

0

1108680300

1108680300

Weidmuller

CBL MALE RA TO WIRE LD 4P 9.84'

0

1927170500

1927170500

Weidmuller

CBL FMALE RA TO MALE 4POS 16.4'

0

1926990150

1926990150

Weidmuller

SAIL-M8G-4-1.5Q

0

1856130000

1856130000

Weidmuller

CBL FMALE TO WIRE LEAD 4P 1.64'

0

1927151000

1927151000

Weidmuller

CBL FMALE TO MALE 4POS 32.8'

0

9457320250

9457320250

Weidmuller

CBL FMALE RA TO WIRE 4POS 8.20'

0

1021790150

1021790150

Weidmuller

CBL MALE RA TO WIRE LD 4P 4.92'

0

1062220150

1062220150

Weidmuller

CBL MALE RA TO WIRE LD 5P 4.92'

0

1292470000

1292470000

Weidmuller

CBL MALE TO WIRE LEAD 5POS 0.66'

0

1854060500

1854060500

Weidmuller

CBL MALE TO WIRE LEAD 4P 16.4'

0

1938111000

1938111000

Weidmuller

SAIL-M8GM12W-3-10Q

0

1939371000

1939371000

Weidmuller

CBL FMALE RA TO WIRE 4POS 32.8'

0

1873270500

1873270500

Weidmuller

CBL FMALE RA TO WIRE 4POS 16.4'

0

1292450000

1292450000

Weidmuller

CBL FMALE TO WIRE LEAD 4P 0.66'

0

1292400000

1292400000

Weidmuller

CBL MALE TO WIRE LEAD 4POS 0.66'

0

1025950005

1025950005

Weidmuller

CBL MALE TO MALE 4POS SHLD 1.64'

0

1873321000

1873321000

Weidmuller

CBL FMALE TO WIRE LEAD 4P 32.8'

0

1938051000

1938051000

Weidmuller

SAIL-M12GM8W-3-10Q

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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