Circular Connectors - Backshells and Cable Clamps

Image Part Number Description / PDF Quantity Rfq
192990-1520

192990-1520

VEAM

TRI R E/B STR C/C UNSEAL SZ 24

276

TR24AAD

TR24AAD

VEAM

ADAPTER SHELL 24 - HEAT SHRINK

0

192993-0094

192993-0094

VEAM

CONN BACKSHELL W/CLAMP SZ 16

0

MKJBACF4-00-0

MKJBACF4-00-0

VEAM

MKJB BACKSHELL

0

FRVE3057-28CT108

FRVE3057-28CT108

VEAM

IR CLAMPC T108 AL 40 FR

0

192993-0082

192993-0082

VEAM

TRI TNM 12 E/B SHIELD

0

CA17711-117

CA17711-117

VEAM

AB 32 A STYLE C/C GRN ZNC

0

192900-0637

192900-0637

VEAM

TRI TNM E/B STR C/C SEAL SZ 12

0

CGKL16B

CGKL16B

VEAM

CGK E/B SZ16

0

057-3256-003

057-3256-003

VEAM

E/B 06J 08 KPT A71

0

192900-0639

192900-0639

VEAM

CONN BACKSHELL W/CLAMP SZ 10 BLK

0

192990-1430

192990-1430

VEAM

TRI R E/B HEAT SHRINK SZ 10

0

057-3263-200

057-3263-200

VEAM

E/B 06J 22 KPT A206

0

NEM-BS-197-N

NEM-BS-197-N

VEAM

NEM 14 BACKSHELL

0

058-3423-000

058-3423-000

VEAM

CVA 6 20 E/B L A206

0

FRVE3057-24CT108

FRVE3057-24CT108

VEAM

IR CLAMPC T108 AL 36 FR

0

MS3057-8CT108

MS3057-8CT108

VEAM

CLAMPC,VAR,T108,AL,16S/16

0

995-0002-560

995-0002-560

VEAM

AB MS3057-8A C/CLAMP GRN ZINC

0

192990-1440

192990-1440

VEAM

TRI R E/B HEAT SHRINK SZ 12

0

MS3057-8AT119

MS3057-8AT119

VEAM

CLAMPA VAR T119 AL 16S/16

0

Circular Connectors - Backshells and Cable Clamps

1. Overview

Circular connectors backshells and cable clamps are critical electromechanical components that ensure secure cable termination, strain relief, and environmental protection in connector systems. Backshells provide mechanical support and shielding for cable-connector junctions, while cable clamps offer strain relief by securing cables to panels or equipment. These components are essential in maintaining signal integrity, preventing mechanical failure, and meeting industry-specific environmental standards across aerospace, industrial automation, and medical device applications.

2. Main Types and Functional Classification

TypeFunction FeaturesApplication Examples
Metal BackshellsEMI/RFI shielding, high durability, threaded couplingAerospace avionics systems
Plastic BackshellsLightweight, corrosion-resistant, quick-install designIndustrial IoT sensors
360 Cable ClampsFull-circle compression, vibration resistanceRobotics joint actuators
Split-shell ClampsField-installable, adjustable diameter rangeMarine communication systems
EMI Shielded ClampsIntegrated conductive gaskets, grounding contactsMilitary radar equipment

3. Structure and Components

Typical backshell assembly consists of: - Housing (aluminum alloy or thermoplastic) - Cable entry port with sealing ring (IP67 rated) - Strain relief mechanism (serrated clamping ring) - EMI shielding fingers (for metallic versions) - Panel mounting threads (UNF or metric) Cable clamp structure includes: - Two-part housing (upper/lower halves) - Elastomer compression sleeve - Threaded locking screws - Cable contact surface (textured for grip) - Optional grounding tab

4. Key Technical Specifications

ParameterValue RangeImportance
Material Temperature Range-55 C to +150 COperational reliability in extreme environments
IP Protection RatingIP65-IP68Dust/water ingress prevention
Cable Diameter Range2-25mmCompatibility with various cable sizes
Insertion Force0.5-5NImpact on field installation efficiency
Shielding Effectiveness60-100dBSignal integrity maintenance
Vibration Resistance10-2000Hz, 10GAerospace/military compliance

5. Application Fields

  • Aerospace: Flight control systems, satellite communication arrays
  • Medical: MRI scanners, patient monitoring equipment
  • Industrial: CNC machine cabling, factory automation sensors
  • Transportation: Rail signaling systems, EV battery connectors
  • Defense: Tactical radio systems, weapon guidance electronics

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
TE ConnectivityDuronic MS BackshellQuick-disconnect, MIL-DTL-38999 compliant
AmphenolSeries 5000 Cable ClampMulti-cable capacity, IP68 rated
MolexToughCrimp Shielded Backshell10G EMI shielding, vibration proof
Weidm llerPROFIBUS Cable ClampFieldbus protocol optimized design

7. Selection Recommendations

Key selection criteria include: - Environmental factors (temperature, humidity, chemical exposure) - Cable geometry (diameter, jacket material) - Mechanical requirements (vibration, pull-out force) - EMI/RFI shielding needs - Installation constraints (tool access, maintenance frequency) - Compliance standards (MIL-SPEC, IEC 60529) Example: For offshore wind turbine sensors, select stainless steel backshells with IP68 clamps and neoprene sealing to withstand saltwater corrosion and mechanical shock.

8. Industry Trends

Current development trends include: - Hybrid connectors integrating optical and electrical backshells - Additive manufacturing for custom cable clamp geometries - Smart clamps with embedded strain gauges for condition monitoring - Nano-coatings for enhanced corrosion resistance - Miniaturization for UAV and wearable medical device applications - Sustainability focus: Recyclable thermoplastic formulations

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