Circular Cable Assemblies

Part Number	Description / PDF	Quantity
QDS-825C Banner Engineering	CBL ASSEMBLY 8POS F TO WIRE 25'	1
DEE2R-821D Banner Engineering	CBL ASSEMBLY 8POS M TO FML 21'	1
QDE-850DB Banner Engineering	CBL ASSEMBLY 8POS F TO WIRE 50'	1
MQDC2S-802 Banner Engineering	CORDSET POWER AND I/OSEALED	10
MQDC-415RA Banner Engineering	CBL M12-4 R/A FEM 5M (15 FT)	59
QDS-875C Banner Engineering	CBL ASSEMBLY 8POS F TO WIRE 75'	1
MQDC2S-830RA Banner Engineering	CBL M12-8 R/A FEM 9M (27 FT)	1
QDC-5100 Banner Engineering	CBL ASSEMBLY 5POS F TO WIRE 100'	1
MQDC-315 Banner Engineering	CBL ASSEMBLY 3POS F TO WIRE 15'	4
CSRB-M1240M1244 Banner Engineering	SPLITTER M12M EURO TO M12F AND M	5
DEE2R-815D Banner Engineering	CBL ASSEMBLY 8POS M TO FML 15'	12
DEE2R-58D Banner Engineering	CBL M12-5 MALE TO M12-5 MALE	1
DEE2R-85D Banner Engineering	CBL ASSEMBLY 8POS MALE TO FML 5'	20
MBCC-530 Banner Engineering	CBL ASSEMBLY 5POS F TO WIRE 30'	4
MQDEC2-5200 Banner Engineering	EURO-STYLE QUICK DISCONNECT CABL	2
DEE2R-817D Banner Engineering	CBL ASSEMBLY 8POS M TO FML 17'	1
PKG4S-2 Banner Engineering	PICO-STYLE QUICK DISCONNECT CABL	15
QDEG-815D Banner Engineering	CBL ASSEMBLY 8POS F TO WIRE 15'	4
MQDC-315RA Banner Engineering	CBL ASSEMBLY 3POS F TO WIRE 15'	3
QDE-5100D Banner Engineering	CBL ASSEMBLY 5POS F TO WIRE 100'	1

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.