Circular Cable Assemblies

Image Part Number Description / PDF Quantity Rfq
AW0800123 SL359

AW0800123 SL359

Alpha Wire

CBL FMALE RA TO WIRE 8POS 32.8'

35

KW0500109 YL358

KW0500109 YL358

Alpha Wire

CBL FMALE RA TO WIRE 5POS 16.4'

8

DR03AR100 SL358

DR03AR100 SL358

Alpha Wire

CBL FMALE TO MALE 4POS 16.4'

2

DR04AR101 SL357

DR04AR101 SL357

Alpha Wire

CBL FMALE TO MALE 4POS 9.84'

5

PR04KW114 YL358

PR04KW114 YL358

Alpha Wire

CBL FMALE RA TO MALE 4POS 16.4'

2

DR0500102 SL355

DR0500102 SL355

Alpha Wire

CBL MALE TO WIRE LEAD 5POS 1.97'

25

AR0800123 SL355

AR0800123 SL355

Alpha Wire

CBL FMALE TO WIRE LEAD 8P 1.97'

1072

315KCF NC402

315KCF NC402

Alpha Wire

CBL FMALE TO WIRE LEAD 3P 0.98'

10

DR04GW101 SL400

DR04GW101 SL400

Alpha Wire

CBL FMALE RA TO MALE 4POS 49.2'

8

AW0400105 SL401

AW0400105 SL401

Alpha Wire

CBL FMALE RA TO WIRE 4POS 20'

10

DR08AR112 SL359

DR08AR112 SL359

Alpha Wire

CBL FMALE TO MALE 8POS 32.8'

4

LR04KR114 YL401

LR04KR114 YL401

Alpha Wire

CBL ASSEMBLY 4POS M TO FML 20M

4

301ACR NC404

301ACR NC404

Alpha Wire

CBL FMALE TO WIRE LEAD 4P 1.64'

7

DR0300104 SL359

DR0300104 SL359

Alpha Wire

CBL MALE TO WIRE LEAD 3POS 32.8'

8

KW0300113 YL401

KW0300113 YL401

Alpha Wire

CBL FMALE RA TO WIRE 3POS 20'

5

HR03GW100 SL355

HR03GW100 SL355

Alpha Wire

CBL FMALE RA TO MALE 3POS 1.97'

8

AW0300100 SL401

AW0300100 SL401

Alpha Wire

CBL FMALE RA TO WIRE 4POS 20'

5

LR0300113 YL358

LR0300113 YL358

Alpha Wire

CBL MALE TO WIRE LEAD 3POS 16.4'

2

KR0400108 YL357

KR0400108 YL357

Alpha Wire

CBL FMALE TO WIRE LEAD 4P 9.84'

6

ER1900127 BK400

ER1900127 BK400

Alpha Wire

CBL FMALE TO WIRE LEAD 19P 49.2'

3

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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