Circular Cable Assemblies

Part Number	Description / PDF	Quantity
1964401000 Weidmuller	CBL FMALE TO MALE 12POS 32.8'	1
1279450300 Weidmuller	CBL FMALE RA TO MALE 8POS 9.84'	5
1925580500 Weidmuller	CBL FMALE TO WIRE LEAD 4P 16.4'	211
1964310300 Weidmuller	SAIL-ZW-3-3.0U	19
1059650500 Weidmuller	CBL ASSEMBLY 4POS M TO WIRE 5M	85
1011970500 Weidmuller	CBL FMALE TO MALE 5POS 16.4'	10
1059890050 Weidmuller	CBL ASSEMBLY 4POS MALE TO M 5M	5
1279450500 Weidmuller	CBL FMALE RA TO MALE 8POS 16.4'	5
9456100060 Weidmuller	CBL MALE TO WIRE LEAD 4POS 1.97'	20
9457770250 Weidmuller	SAIL-M12G-M8BGS-3-2.5U	0
1925400300 Weidmuller	CBL FMALE RA TO MALE RA 5P 9.84'	13
9457270800 Weidmuller	CBL FMALE RA TO MALE 5POS 26.2'	8
1963940500 Weidmuller	CBL ASSEMBLY 4POS F TO WIRE 5M	4
1309870050 Weidmuller	CBL ASSY 4POS MALE TO MALE 5M	5
1279451000 Weidmuller	CBL FMALE RA TO MALE 8POS 32.8'	5
1927241700 Weidmuller	CBL ASSEMBLY 3POS F TO WIRE 17M	17
1898241000 Weidmuller	CBL FMALE RA TO WIRE 12POS 32.8'	6
1310000100 Weidmuller	CBL ASSY 4POS MALE TO MALE 10M	5
1925350150 Weidmuller	CBL FMALE RA TO MALE 4POS 4.92'	20
1310000050 Weidmuller	CBL ASSY 4POS MALE TO MALE 5M	5

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.