“Stay Connected”
with
®
Strain Relief Bushings
Heyco RDD Lockit Strain Relief Bushings –
Straight-Thru
®
™
Snap onto
Round Cables
for Faster Assembly into
Double D Mounting Holes
–
Semi-Automatic Equipment Available
Fit 1/2˝ Electrical Knock-out Hole
WILL FIT THESE CABLES
UL Type
AWG/
Approximate
Conductors
Size
in. mm.
See
table
on page
4-10
PANEL DIMENSIONS
RDD LOCKIT STRAIN RELIEF
Corresponding
Mounting Hole
Thickness
for Faster Assembly
Mounting Hole Plug
Size
PART NO.
DESC.
PART
in.
mm.
in. mm.
Black White
NO.
DESC.
0,8
1,6
2,5
1857 1858
3,2
4,0
various
.032
.063
.290- 7,4- .875 w/
22,2 w/
.099
.385 9,8 .770 flats 19,6 flats
.126
.157
.078
.140
RDD 201
2509 DD 875-770
Same as RDD 201 above except
See
table
on page
4-10
2,0
1855 1856
RDD 201-2* 2509 DD 875-770
3,4
0,8
1,6
2,5
1861 1862
3,2
4,0
various
.032
.063
.340- 8,6- .875 w/
22,2 w/
.099
.430 10,9 .770 flats 19,6 flats
.126
.157
.078
.140
RDD 301
2509 DD 875-770
Same as RDD 301 above except
See
table
on page
4-10
2,0
1859 1860
RDD 301-2* 2509 DD 875-770
3,4
0,8
1,6
2,5
1865 1866
3,2
4,0
various
.032
.063
.420- 10,7- .875 w/
22,2 w/
.099
.450 11,4 .770 flats 19,6 flats
.126
.157
.078
.140
RDD 401
2509 DD 875-770
Same as RDD 401 above except
Standard color black. Consult Heyco for white and other colors.
*Designed for cast or other mounting holes with rounded edges.
2,0
1882 1883
RDD 401-2* 2509 DD 875-770
3,4
Locking Tab varies with Cable Sizes
.72
(18,3mm)
.770
(19,6mm)
.96
(24,4mm)
.875
(22,2mm)
•
Assembly friendly!
Independent of
insertion into the panel, RDD Lockit
™
Strain Reliefs
self-lock
onto the cable.
Preassemble RDD Lockits off line
for final assembly at a later time or
remote location, for lower installed cost!
•
Install easily with fingertip pressure
into a standard round or Double D
hole. No tools required, even for
hand assembly.
•
Protect the lifeline of your electric/
electronic products by absorbing the
forces of push and pull that may be
exerted on the flexible power cord.
Double D design eliminates the
possibility of part rotation under
forces of twist.
•
Multiple panel locking steps secure
Lockit Strain Reliefs into a wide range
of panel thicknesses for a
flush,
finished fit.
•
Heyco’s automated Pre-Assembly
Equipment speeds assembly of the RDD
onto the cable and thus lowers costs
while greatly reducing risk of carpal
tunnel syndrome. See pages 4-15 & 4-16.
•
Consult Heyco for other wire types
and sizes.
•
See page 4-38 for corresponding
Mounting Hole Plugs
which can be used
to fill blank/unused Mounting Holes and
thus allow for a single panel design for
multiple applications.
•
For Double D Mounting Hole Punches,
see page 4-30.
.74
(18,8mm)
MOUNTING HOLE
RDD 201, RDD 201-2, RDD 301, RDD 301-2, RDD 401, RDD 401-2
Material
Certifications
Flammability Rating
Temperature Range
Nylon 6/6
Recognized under UL File E15331
Certified by the Canadian Standards Association File 8919
94V-2
-.04°F (-18°C) to 221°F (105°C)
Quick
Specs
4-8
1-800-526-4182 • 732-286-1800 (NJ) • FAX: 732-244-8843 • www.heyco.com
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