Circular Cable Assemblies

Part Number	Description / PDF	Quantity
MQDEC2-506 Banner Engineering	CBL ASSEMBLY 5POS F TO WIRE 6'	23
MQDC20SS-515 Banner Engineering	EURO-STYLE QUICK DISCONNECT CABL	3
MAQDC-830 Banner Engineering	CBL ASSEMBLY 8POS F TO WIRE 30'	5
QDE2R4-825D Banner Engineering	CBL ASSEMBLY 8POS M TO WIRE 25'	1
MQDC1-501.5RA Banner Engineering	EURO-STYLE QUICK DISCONNECT CABL	8
MQDC2S-1730 Banner Engineering	CBL M12-17 FEM 9.14M (30 FT)	3
MQDEC2-550 Banner Engineering	CBL ASSEMBLY 5POS F TO WIRE 50'	14
QDC-550C Banner Engineering	CBL MINI-SCREEN/MINI-ARRAY 15M	1
MBCC-512 Banner Engineering	CBL ASSEMBLY 5POS F TO WIRE 12'	2
QDE-815D Banner Engineering	CBL ASSEMBLY 8POS F TO WIRE 15'	7
MQDC1-501.5 Banner Engineering	CBL ASSEMBLY 5POS F TO WIRE 1.5'	153
DEE2R-825D Banner Engineering	CBL ASSEMBLY 8POS M TO FML 25'	16
MQDC1-5150 Banner Engineering	EURO-STYLE QUICK DISCONNECT CABL	2
DEE2R-811D Banner Engineering	CBL ASSEMBLY 8POS M TO FML 11'	1
DEE2R-83RS Banner Engineering	CBL ASSEMBLY 8POS MALE TO FML 3'	1
QDE-550D Banner Engineering	CBL ASSEMBLY 5POS F TO WIRE 50'	3
CSB-M1251M1251B Banner Engineering	EURO-STYLE QUICK DISCONNECT SPLI	13
DEE2R-8100D Banner Engineering	CBL ASSEMBLY 8POS M TO FML 100'	1
DEE2R-816D Banner Engineering	CBL ASSEMBLY 8POS M TO FML 16'	12
MQDC-450 Banner Engineering	CBL ASSEMBLY 4POS F TO WIRE 50'	20

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.