Circular Cable Assemblies

Part Number	Description / PDF	Quantity
CA091604400004 Tuchel / Amphenol	CBL FMALE TO MALE 8P SHLD 13.12'	0
2273121-2 TE Connectivity AMP Connectors	CBL FMALE TO MALE RA 4POS 1.97'	1
CA091604400007 Tuchel / Amphenol	CBL FMALE TO MALE 8P SHLD 23'	0
BCC02P3 Balluff	CONNECTION=M8X1-FEMALE, ANGLED,	27
1406319 Phoenix Contact	CBL FMALE RA TO WIRE 4POS 32.8'	5071
1417971 Phoenix Contact	CBL FMALE TO WIRE LEAD 4P 65.6'	0
511000375 Lumberg Automation	RKFP 4-1/2NPT-803/0.5M	23
ICA4T13P2BL2M Panduit Corporation	INDUSTRIALNET M12 4-PIN A-CODE,	89
1200064184 Woodhead - Molex	CBL ASSY 5POS F TO WIRE SHD 25M	8
1696057 Phoenix Contact	CBL FMALE RA TO MALE 4POS 0.98'	0
EW1200126 BK358 Alpha Wire	CBL FMALE RA TO WIRE 12P 16.4'	6
RKW 40-839/10M Lumberg Automation	CBL FMALE RA TO WIRE 4POS 32.8'	10
BCC05FE Balluff	CONNECTION=M12X1-FEMALE, STRAIGH	0
ER1900127 BK401 Alpha Wire	CBL FMALE TO WIRE LEAD 19PS 20'	7
9456670500 Weidmuller	CBL FMALE RA TO MALE 4POS 16.4'	14
ICD22T1NTL2M Panduit Corporation	CBL MALE RA TO MALE RA 4P 6.56'	1061
1416657 Phoenix Contact	CBL FMALE TO WIRE LEAD 6P 32.8'	418
BCC051H Balluff	CONNECTION 1=M8X1-FEMALE, STRAIG	14
CCA-000-M02R205 NorComp	CBL FMALE TO FMALE 4P SHLD 6.56'	0
TAD14741311-005 TE Connectivity AMP Connectors	M12D4-MS-MS-PVC TYPE B RED-5.0M	7

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.