Circular Connector Backshells

Circular connector backshells are components of a wiring system that attach to the cable side of a circular connectorin 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 cablesand 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 Priced to Clear
RS Stock No. 709-3747
Mfr. Part No.TT178SR-45
BrandToughcon
£4.83
Each
Units
- - - - - - - - 35.6mm - - - -
RS Stock No. 709-3753
Mfr. Part No.TT238SR-70
BrandToughcon
£8.20
Each
Units
- - - - - - - - 39.4mm - - - -
RS Stock No. 709-3756
Mfr. Part No.TT178SR-70
BrandToughcon
£7.03
Each
Units
- - - - - - - - 41.9mm - - - -
RS Stock No. 709-3535
Mfr. Part No.TM238SR-112
BrandToughcon
£4.51
Each
Units
- - - - - - - - 42.2mm - - - -
RS Stock No. 709-3526
Mfr. Part No.TM118SR-33
BrandToughcon
£2.98
Each
Units
- - - - - - - - 32.8mm - - - -
RS Stock No. 709-3769
Mfr. Part No.TT178UD-154
BrandToughcon
£4.39
Each
Units
- - - - - - - - 32mm - - - Yes
RS Stock No. 709-3554
Mfr. Part No.TM238UD-153
BrandToughcon
£6.09
Each
Units
- - - - - - - - 34mm - - - Yes
RS Stock No. 709-3490
Mfr. Part No.TM238GA-M32
BrandToughcon
£9.99
Each
Units
- - - - - - - - 38mm - - - Yes
RS Stock No. 709-3529
Mfr. Part No.TM118SR-45
BrandToughcon
£8.18
Each
Units
- - - - - - - - 36.6mm - - - -
RS Stock No. 709-3719
Mfr. Part No.TT238GA-M20
BrandToughcon
£9.61
Each
Units
- - - - - - - - 42mm - - - -
RS Stock No. 709-3759
Mfr. Part No.TT238SR-112
BrandToughcon
£8.05
Each
Units
- - - - - - - - 41.9mm - - - -
RS Stock No. 709-3488
Mfr. Part No.TM238GA-M20
BrandToughcon
£10.62
Each
Units
- - - - - - - - 48mm - - - -
RS Stock No. 709-3447
Mfr. Part No.TM118ES-26
BrandToughcon
£10.11
Each
Units
- - - - - - - - 72.9mm - - - -
RS Stock No. 709-3472
Mfr. Part No.TM118GA-M16
BrandToughcon
£5.60
Each
Units
- - - - - - - - 34mm - - - -
RS Stock No. 709-3539
Mfr. Part No.TM238SR-70
BrandToughcon
£6.41
Each
Units
- - - - - - - - 39.6mm - - - -
RS Stock No. 709-3440
Mfr. Part No.TM178ES-40
BrandToughcon
£8.09
Each
Units
- - - - - - - - 80.9mm - - - Yes
RS Stock No. 709-3557
Mfr. Part No.TM238UD-155
BrandToughcon
£9.52
Each
Units
- - - - - - - - 40mm - - - Yes
RS Stock No. 709-3481
Mfr. Part No.TM118GA-M20
BrandToughcon
£5.60
Each
Units
- - - - - - - - 42mm - - - Yes
RS Stock No. 709-3494
Mfr. Part No.TM238GA-M40
BrandToughcon
£13.54
Each
Units
- - - - - - - - 48mm - - - Yes
RS Stock No. 709-3696
Mfr. Part No.TT118ES-26
BrandToughcon
£6.30
Each
Units
- - - - - - - - 71.4mm - - - -