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. 715-9935
Mfr. Part No.LJTNSA15014
$80.04
Each
units
LJT Series, RNJ Series, SJT Series 15 Straight - - - UNEF-2B 0.8125-20 - 31.79mm - - LJT
RS Stock No. 178-7348
Mfr. Part No.47378N
$66.81
Each
units
SL1 Series 20 Straight Male to Female - - - IP55 59.8 mm, 66.5 mm - - SL 61
RS Stock No. 716-0275
Mfr. Part No.TVNSA13014
$169.94
Each
units
- - - - - - - - 35.6mm - - TV
RS Stock No. 716-0279
Mfr. Part No.TVNSA15014
$127.81
Each
units
- - - - - - - - 35.6mm - - TV
RS Stock No. 716-0272
Mfr. Part No.TVNSA11014
$135.46
Each
units
- - - - - - - - 35.6mm - - TV
RS Stock No. 715-9929
Mfr. Part No.LJTNSA09014
$71.50
Each
units
LJT Series, RNJ Series, SJT Series 9 Straight - - - UNEF-2B 0.4375-28 - 31.79mm - - LJT
RS Stock No. 178-7405
Mfr. Part No.47383NI
$70.71
Each
units
SL1 Series 30 Right Angle Male to Female - - - IP55 60.8 mm, 68.5 mm - - SL 61
RS Stock No. 716-0263
Mfr. Part No.TVNSA09014
$61.52
Each
units
RNJ LP Connector, SC39 Series, TV-CTV Connector 9 Straight - - - M12 x 1-6H - 35.6mm - - TV
RS Stock No. 715-9926
Mfr. Part No.LJTNSA13014
$90.56
Each
units
LJT Series, RNJ Series, SJT Series 13 Straight - - - UNEF-2B 0.6875-24 - 31.79mm - - LJT
RS Stock No. 178-7411
Mfr. Part No.47384
$93.86
Each
units
SL1 series 40 Right Angle Male to Female - - - IP55 68.8 mm, 76.5 mm - - -
RS Stock No. 178-7382
Mfr. Part No.47381
$39.27
Each
units
SL1 series 10 Right Angle Male to Female - - - IP55 38.9 mm, 47.9 mm - - -
RS Stock No. 178-7354
Mfr. Part No.47379N
$68.04
Each
units
SL1 Series 30 Straight Male to Female - - - IP55 80.8 mm, 88.5 mm - - SL 61
RS Stock No. 178-7332
Mfr. Part No.47377N
$27.31
Each
units
SL1 Series 10 Straight Male to Female - - - IP55 52.9 mm, 61.9 mm - - SL 61
RS Stock No. 178-7398
Mfr. Part No.47382
$60.07
Each
units
SL1 Series 20 Right Angle Male to Female - - - IP55 48.8 mm, 55.5 mm - - SL 61
RS Stock No. 715-9922
Mfr. Part No.LJTNSA11014
$71.87
Each
units
LJT Series, RNJ Series, SJT Series 11 Straight - - - UNEF-2B 0.5625-24 - 31.79mm - - LJT
RS Stock No. 178-7360
Mfr. Part No.47380N
$65.08
Each
units
SL1 series 40 Straight Male to Female - - - IP55 78.8 mm, 86.5 mm - - -