Circular Connector Backshells

Circular connector backshells are components of a wiring system that attach to the cable side of a circular connector in order to provide robustness and ensure its integrity. They are typically separate from the connector head itself, and secure the cable to the connector via a clamp.

Why are circular connector backshells needed?

Circular connector backshells help to protect the connector, and to safeguard the reliability of the cable and ultimately the entire system. They prevent the ingress of dirt, moisture and liquids into the connector head by providing a tight seal against the cable itself. In addition they act as an effective form of strain relief for the connector assembly, ensuring that the cable cannot be bent to an excessive angle, which could potentially damage it.

What are circular connector backshells used for?

Circular connector backshells are used to shield wire connection points of interconnecting cables and connectors. They may also be used to shield against electrical interference in a system by acting as a continuation of the cable ground sheath directly into the connector itself.


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Description Price For Use With Shell Size Body Orientation Gender Housing Material Spring Clip Size Thread Size IP Rating Length Number of Contacts Strain Relief Series
RS Stock No. 709-9710
Mfr. Part No.207055-1
TWD203.00
Each
units
- - - - - - - - 36.83mm - - -
RS Stock No. 220-7039
Mfr. Part No.UTG10AC
TWD244.00
Each
units
- - - - - - - - 40mm - - -
RS Stock No. 220-7045
Mfr. Part No.UTG12AC
TWD213.00
Each
units
- - - - - - - - 40mm - - -
RS Stock No. 510-1029
Mfr. Part No.UT0S12JCS
TWD611.00
Each
units
- - - - - - - - 74.5mm - - -
RS Stock No. 233-2646
Mfr. Part No.UTG14PG
TWD363.00
Each
units
- - - - - - - - 62mm - - -
RS Stock No. 873-1982
Mfr. Part No.97-3057-6
TWD320.00
Each
units
Jacketed Cable, Wires Protected by Tubing 12SL, 14, 14S Straight - - - 3/4 in - 20 - 27.38mm - - 97
RS Stock No. 233-2624
Mfr. Part No.UTG10PG
TWD307.00
Each
units
- - - - - - - - 54mm - - -
RS Stock No. 233-2630
Mfr. Part No.UTG12PG
TWD403.00
Each
units
- - - - - - - - 57mm - - -
RS Stock No. 190-3474
Mfr. Part No.058-8578-101
BrandITT Cannon
TWD38.30
Each (In a Bag of 100)
units
APD Series - Right Angle - PBT - - IP67, IP69K - - - 058
RS Stock No. 425-838
Mfr. Part No.2428-011-2405
BrandDeutsch
TWD89.00
Each
units
HDP20 Series 24 Right Angle - Thermoplastic - - IP67 - - Yes L017
RS Stock No. 175-4534
Mfr. Part No.84040008
TWD3,096.00
Each
units
840 Series 4 Angled, Straight - Plastic - - IP65 43.5 mm, 55 mm - - 840
RS Stock No. 190-3915
Mfr. Part No.2428-011-2405
BrandDeutsch
TWD66.90
Each (In a Box of 100)
units
HDP20 Series 24 Right Angle - Thermoplastic - - IP67 - - Yes L017
RS Stock No. 752-5691
Mfr. Part No.058-8578-101
BrandITT Cannon
TWD78.00
Each
units
APD Series - Right Angle - PBT - - IP67, IP69K - - - 058
RS Stock No. 175-3806
Mfr. Part No.CL103000
TWD116.00
Each
units
- - - - - - - - - - - -
RS Stock No. 760-0569
Mfr. Part No.ABAC0703W09
TWD1,117.00
Each
units
MIL-DTL-38999 Connector Series III 09 Right Angle - Aluminium - - IP67 32.79mm - - ABAC
RS Stock No. 873-1844
Mfr. Part No.97-3057-1012
TWD196.00
Each
units
Jacketed Cable, Wires Protected by Tubing 20, 22 Straight - - - 1-3/16 in - 18 - 23.55mm - - 97
New
RS Stock No. 190-3018
Mfr. Part No.CL103000
TWD74.30
Each (In a Pack of 100)
units
- - - - - - - - - - - -
RS Stock No. 233-2652
Mfr. Part No.UTG16PG
TWD369.00
Each
units
- - - - - - - - 68mm - - -
New
RS Stock No. 206-7577
Mfr. Part No.M85049/69-21N
TWD443.00
Each
units
38999 III 21 Straight - Aluminium Alloy - - - - - No MIL
New
RS Stock No. 206-7578
Mfr. Part No.M85049/69-21W
TWD487.00
Each
units
38999 III 21 Straight - Aluminium Alloy - - - - - No MIL