Circular Cable Assemblies

Part Number	Description / PDF	Quantity
MQDC-WDSS-0415 Banner Engineering	CBL ASSEMBLY 4POS F TO WIRE 15'	9
QDS-515C Banner Engineering	CBL ASSEMBLY 5POS F TO WIRE 15'	1
QDE-850DRA Banner Engineering	CBL M12-5 R/A FEM 15M (50 FT)	1
MQDEC2-515 Banner Engineering	CBL ASSEMBLY 5POS F TO WIRE 15'	14
DEE2R-88D Banner Engineering	CBL ASSEMBLY 8POS MALE TO FML 8'	8
PKG4M-5 Banner Engineering	CBL ASSEMBLY 4POS F TO WIRE 5M	10
QDE-1225E Banner Engineering	CBL ASSEMBLY 12POS F TO WIRE 25'	1
MQDEC-402SS Banner Engineering	EURO-STYLE QUICK DISCONNECT CABL	36
IVURDM-QD-830 Banner Engineering	CBL ASSEMBLY 8POS M TO FML 30'	1
PKG3M-2 Banner Engineering	CBL ASSEMBLY 3POS F TO WIRE 2M	14
MQDC-430RA Banner Engineering	CBL M12-4 R/A FEM 9M (30 FT)	27
MQDC1-515 Banner Engineering	CBL ASSEMBLY 5POS F TO WIRE 15'	83
MQDMC-501 Banner Engineering	EURO-STYLE MALE QUICK DISCONNECT	16
MBCC-4100 Banner Engineering	MINI-STYLE QUICK DISCONNECT CABL	2
QDE-1275E Banner Engineering	CBL ASSEMBLY 12POS F TO WIRE 75'	10
PKG4-2 Banner Engineering	CBL ASSEMBLY 4POS F TO WIRE 2M	2
CSB-M12415M1241 Banner Engineering	SPLITTER CBL 1M-2F M12-4	5
MQDEC-403SR-PUR Banner Engineering	EURO-STYLE QUICK DISCONNECT CABL	8
QDE-850D Banner Engineering	CBL ASSEMBLY 8POS F TO WIRE 50'	9
IVURDM-QD-803 Banner Engineering	CBL ASSEMBLY 8POS MALE TO FML 3'	10

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.