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Cable Strain Relief / UL-Recognized Cables Overview

Heyco® Lockit™ST and RDD

Cable Strain Relief / UL-Recognized Cables Overview

Part numbers and specifications:

Lockit™ Strain Reliefs for Round Cables

 UL Approved for Cable Diameter RangeUL Approved for Cable Diameter Range and UL Type
Mounting Hole
Diameter →
11,5 x 13,0 mm 17,5 x 17,5 mm .625" (15,9 mm) Ø Will Fit Electrical Knock-outs1.250" (31,8 mm) Ø
.875" (22,2 mm) Ø 1.109" (28,2 mm) Ø
LOCKIT
Lockit
Variety
ST 101NST 201NST 301NRDD 101
RDD 101-7
RDD 101-90
RDD 201
RDD 201-2
RDD 201-90
RDD 301
RDD 301-2
RDD 301-90
RDD 401
RDD 401-2
RDD 501RDD 601RDD 701
new
UL DIA.
RANGE →
.220" - .290" .290" - .360" .355" - .420" .220" - .290"
5,6 - 7,4 mm
.290" - .385"
7,4 - 9,8 mm
.340" - .430"
8,6 - 10,9 mm
.420" - .450" .525" - .600" .600" - .700" .720" - .830"
UL Type          
S X X X X X X X X X X
SE X X X X X X X X X X
SEO X X X X X X X X X X
SEOO                 X  
SEOOW X X X X X X X   X X
SEOW X X X X X X X   X X
SJ X X X X X X X X X  
SJE               X    
SJEOOW X X X X X X X      
SJEOW X X X X X X X      
SJO X X X X X X X X X  
SJOO X X X X X X X X X X
SJOOW X X X X X X X      
SJOW X X X X X X X      
SJT               X X  
SJTEOOW X X X X X X X      
SJTEOW X X X X X X X      
SJTO X X X X X X X X    
SJTOO X X X X X X X X    
SJTOOW X X X X X X X      
SJTOW X X X X X X X      
SJTW X X X X X X X      
SO X X X X X X X X X X
SOO X X X X X X X X X X
SOOW X X X X X X X     X
SOW X X X X X X X     X
SRDT                 X  
ST                 X  
STO               X X  
STOO               X X  
STOOW                 X  
STOW                 X  
SV X X X X X X X     X
SVE X X X X X X X     X
SVEO X X X X X X X     X
SVO X X X X X X X     X
SVOO X X X X X X X     X
  • Consult Heyco for UL Type designations not shown. * UL approved for Cable Diameter Range. ** UL approved for Cable Diameter Range and Type.
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