Circular Connectors - Backshells and Cable Clamps

Image Part Number Description / PDF Quantity Rfq
058-8578-105

058-8578-105

VEAM

CONN BACKSHELL BLACK

396

UT024JCS

UT024JCS

Souriau-Sunbank by Eaton

CONN BACKSHELL W/CLAMP SZ24 PG29

0

A8504952S40N

A8504952S40N

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 40 SILVER

89

TR10ASR1N

TR10ASR1N

VEAM

CONN BACKSHELL W/CLAMP SZ 10 BLK

43

A850493913W

A850493913W

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 13 OLIVE

9

A8504951S8A

A8504951S8A

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 8 BLACK

23

A8504951118W

A8504951118W

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 18 OLIVE

1

IP-UNCB36B

IP-UNCB36B

PEI-Genesis

UNIVERSAL 36 BLACK COBALT

43

PNX41AB00-1412

PNX41AB00-1412

TE Connectivity Aerospace Defense and Marine

PNX41AB00-1412

50

TNA16CC-SR00L

TNA16CC-SR00L

VEAM

CONN BACKSHELL W/CLAMP SZ 16 BLK

37

97-3057-1008(676)

97-3057-1008(676)

Amphenol Industrial

CONN CABLE CLAMP SZ16/16S 7/8-20

50

M85049/91-09T

M85049/91-09T

Socapex (Amphenol Pcd)

COMPOSITE STRAIN RELIEF

9

BTH3-13-08-1-C-SE

BTH3-13-08-1-C-SE

TE Connectivity Aerospace Defense and Marine

BANDING BACKSHELL, 90 DEG

25

R85049/88-23W03

R85049/88-23W03

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL BANDING SZ 23 H

0

A8504952S8A

A8504952S8A

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 8 BLACK

0

TXR40AB90-1414AI

TXR40AB90-1414AI

TE Connectivity Raychem Cable Protection

CONN BACKSHELL ADPT SZ 15D OLIVE

0

M85049/38-17A

M85049/38-17A

CONN CABLE CLAMP SZ 17 E BLK

360

JR25WCC-12(72)

JR25WCC-12(72)

Hirose

CONN CABLE CLAMP SZ 25 M28 BLACK

0

A8504938S25A

A8504938S25A

Socapex (Amphenol Pcd)

CONN CABLE CLAMP SZ 25 BLACK

3

TXR40AB00-1406AI

TXR40AB00-1406AI

TE Connectivity Aerospace Defense and Marine

CONN BACKSHELL ADPT SZ 15D OLIVE

7

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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