Accessories
CES
Heat-Shrinkable Cable
Entry Seals
Product Facts
n
Comes in many sizes and
configurations
n Seals multicable openings
n SAE-AS81765/1 Type 1
n Seals per U.S. Coast Guard
HQ 3774 in wet, dry, and
corrosive locations
4
nylon nut, an O-ring, and a
heat-shrinkable molded
area. The CES for threadedhole applications is a onepart assembly that combines
a tapered national pipe
thread (NPT) in rigid plastic
nylon with a heat-shrinkable
molded area.
CESs are available in two
basic types: standard and
threaded. The standard
CES for thin-wall enclosures
consists of a three-part
assembly — a rigid plastic
All CESs are available with
the molded area configured
with one opening for a single wire or cable entry or
with two, three, or four legs
Standard cable entry seal
installation instructions
Cable entry
seal number
1
2
3
4
5
Torque
in-pounds
Nm
1.7-2.3
15-20
15-20
1.7-2.3
2.3-2.8
20-25
40-45
4.5-5.1
45-50
5.1-5.7
Threaded cable entry seal
installation instructions
Note: Surfaces to be sealed should
be clean and free of burrs, pits, or
deep scratches.
Step 1
Place rigid, externally threaded nut
through hole so flanged end is on
the inside of the can or cabinet.
Step 2
Place O-ring over threaded end and
position against outside of can or
cabinet.
Step 3
Screw shrinkable, internally
threaded component onto the rigid
nut and tighten, using appropriate
spanner wrenches, until O-ring is
slightly flattened — or use the
torque values shown in the table to
the left.
Step 4
Insert cable through expanded
opening and make necessary connections (see note following Step 4
in the next section).
Step 1
Apply a thread sealant to the
threaded end and then screw
threaded cable entry seal into pretapped hole or pipe fitting.
Step 2
Tighten by applying wrench to
hexagonal nut.
Step 3
Insert cable through expanded
opening and make necessary connection (see Note).
Step 4
Shrink expanded nose by applying
121˚C-135˚C [250˚F-275˚F] of heat
from a heat gun with circular reflector, gas torch, or other heat source.*
When part has shrunk to the cable,
and when the sealant is seen to
flow, discontinue heat. Additional
heating will not make the component shrink tighter.
Note
If armored cable is used, the
factory-applied sealant will not fill
Molded Parts
Raychem Heat-Shrinkable
Cable-Entry Seals (CESs)
provide a watertight,
fume-tight seal where
cables enter connection
boxes, bulkheads, or other
enclosures.
Applications
of equal size to seal multiple wires or cables at the
entry to enclosures and/or
bulkheads. To meet sealing
requirements, all CESs have
factory-applied adhesive
that provides the seal to
wire and cable jackets.
When armored cable is
being sealed it may be
necessary to use additional
sealants, such as G.E. RTV
112 or Dow Corning RTV
732, to form the water seal.
Step 5
Shrink expanded nose by applying
121˚C-135˚C [250˚F-275˚F] of heat
from a heat gun with circular reflector, or a gas torch, or other heat
source.* When part has shrunk to
the cable, and when the sealant is
seen to flow, discontinue heat.
Additional heating will not make the
component shrink tighter.
*Follow the safety precautions of the manufacturer
of the heater.
the interstices of the armor. The
armor must be cut back so that the
part is allowed to shrink and seal to
the cable sheath as well as come
down over the armor. To keep the
armor from unraveling, some armor
must be approximately 1/4 inch to
3/8 inch [.01 to .02 mm] inside the
cable entry seal leg.
*Follow the safety precautions of the manufacturer
of the heater.
4-95
Catalog 1654025
Revised 12-04
www.tycoelectronics.com
Dimensions are in millimeters
and inches unless otherwise
specified. Values in brackets
are U.S. equivalents.
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
USA: 1-800-522-6752
Canada: 1-905-470-4425
Mexico: 01-800-733-8926
C. America: 52-55-5-729-0425
South America: 55-11-3611-1514
Japan: 81-44-900-5102
Singapore: 65-4866-151
UK: 44-1793-528171
Accessories
CES (Continued)
Standard CES
Temperature
Temperature rating
Minimum shrink temperature
-55°C to 90°C [-67°F to 194°F]
121°C [250°F]
Specifications
Type
Molded heat-shrink nose
Adhesive
Raychem
RT-301
RW-2019
Product Dimensions
Part
No.
No.
of Legs
CES-1
CES-2
CES-3
CES-4
CES-4S*
CES-5
1
1
1
1
1
1
Overall Nom.
Recommended
Length
69.85 [2.75]
69.85 [2.75]
95.25 [3.75]
114.30 [4.50]
114.30 [4.50]
177.80 [7.00]
Min.
Expanded
I.D. Nose
12.70 [0.50]
19.05 [0.75]
28.45 [1.12]
40.64 [1.60]
50.80 [2.00]
69.85 [2.75]
Flame retardant polyolefin
Hot melt adhesive
Max.
Recovered
I.D. Nose
4.32 [0.17]
6.35 [0.25]
12.70 [0.50]
19.05 [0.75]
19.05 [0.75]
36.32 [1.43]
Max. I.D.
of Part
Drill
Size
19.05 [0.75]
19.05 [0.75]
27.94 [1.10]
39.62 [1.56]
53.34 [2.10]
73.66 [2.90]
25.40 [1.00]
25.40 [1.00]
35.05 [1.38]
50.80 [2.00]
59.94 [2.36]
88.90 [3.50]
Max.
O.D.
of Nut
35.81 [1.410]
35.81 [1.410]
48.31 [1.902]
69.09 [2.720]
85.09 [3.350]
103.38 [4.070]
*Part configuration may be different than depicted in figure. Contact Tyco Electronics for specification.
Breakout CES
Product Dimensions
Part
No.
No.
of Legs
Overall Nom.
Recommended
Length
CES-2-D1A
CES-2-T1
CES-2-T1B
CES-2-F1A
CES-2-F1
CES-3-D1
CES-3-T1
CES-3-F1
CES-4-D3
CES-4-T1
CES-4-F1
CES-5-T4
CES-5-F4
2
3
3
4
4
2
3
4
2
3
4
3
4
69.85 [2.75]
69.85 [2.75]
88.90 [3.50]
69.85 [2.75]
88.90 [3.50]
88.90 [3.50]
88.90 [3.50]
88.90 [3.50]
101.60 [4.00]
101.60 [4.00]
101.60 [4.00]
127.00 [5.00]
127.00 [5.00]
Min.
Expanded
I.D.
(Each Leg)
15.24 [0.60]
10.16 [0.40]
15.24 [0.60]
10.16 [0.40]
15.24 [0.60]
15.24 [0.60]
15.24 [0.60]
15.24 [0.60]
22.86 [0.90]
22.86 [0.90]
22.86 [0.90]
31.75 [1.25]
31.75 [1.25]
Max.
Recovered
I.D.
(Each Leg)
2.79 [0.11]
2.79 [0.11]
4.32 [0.17]
2.79 [0.11]
4.32 [0.17]
4.32 [0.17]
4.32 [0.17]
4.32 [0.17]
7.62 [0.30]
7.62 [0.30]
7.62 [0.30]
12.70 [0.50]
12.70 [0.50]
Max. I.D.
of Part
Drill
Size
Max.
O.D.
of Nut
19.05 [0.75]
19.05 [0.75]
19.05 [0.75]
19.05 [0.75]
19.05 [0.75]
27.94 [1.10]
27.94 [1.10]
27.94 [1.10]
40.64 [1.60]
40.64 [1.60]
40.64 [1.60]
73.66 [2.90]
73.66 [2.90]
25.40 [1.00]
25.40 [1.00]
25.40 [1.00]
25.40 [1.00]
25.40 [1.00]
35.05 [1.38]
35.05 [1.38]
35.05 [1.38]
50.80 [2.00]
50.80 [2.00]
50.80 [2.00]
63.50 [2.50]
63.50 [2.50]
35.81 [1.41]
35.81 [1.41]
35.81 [1.41]
35.81 [1.41]
35.81 [1.41]
48.26 [1.90]
48.26 [1.90]
48.26 [1.90]
69.09 [2.72]
69.09 [2.72]
69.09 [2.72]
103.38 [4.07]
103.38 [4.07]
4-96
Catalog 1654025
Revised 12-04
www.tycoelectronics.com
Dimensions are in millimeters
and inches unless otherwise
specified. Values in brackets
are U.S. equivalents.
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
USA: 1-800-522-6752
Canada: 1-905-470-4425
Mexico: 01-800-733-8926
C. America: 52-55-5-729-0425
South America: 55-11-3611-1514
Japan: 81-44-900-5102
Singapore: 65-4866-151
UK: 44-1793-528171
Accessories
CES (Continued)
Threaded CES
Min.
Max.
Overall Nom.
Recommended
Expanded
Recovered
Length
I.D. Nose
I.D. Nose
CES-2-A50
83.82 [3.30]
19.05 [0.75]
6.35 [0.25]
83.82 [3.30]
19.05 [0.75]
6.35 [0.25]
CES-2-A75
83.82 [3.30]
19.05 [0.75]
6.35 [0.25]
CES-2-A100
111.00 [4.37]
28.45 [1.12]
12.70 [0.50]
CES-3-A100
117.35 [4.62]
28.45 [1.12]
12.70 [0.50]
CES-3-A150
127.00 [5.00]
50.80 [2.00]
19.05 [0.75]
CES-4A-A150*
152.40 [6.00]
69.85 [2.75]
25.40 [1.00]
CES-5-A250*
* Not illustrated - refer to Specification Control Drawing for details.
Part
No.
National
Adapter
I.D.
12.70 [0.50]
19.05 [0.75]
19.05 [0.75]
25.40 [1.00]
27.94 [1.10]
35.56 [1.40]
60.96 [2.40]
Pipe
Thread
Size
1/2–14
3/4–14
1–11 1/2
1–11 1/2
1 1/2–11 1/2
1 1/2–11 1/2
2 1/2–10
4
Molded Parts
Threaded Breakout CES
Product Dimensions
Part
No.
No.
of Legs
Overall Nom.
Recommended
Length
CES-2A-T1
CES-2A-F1
CES-2A-D1
CES-2A-T2
CES-2A-F2
CES-3A-D1
CES-2A-T3
CES-3A-F1
CES-3A-D2
CES-3A-T2
CES-3A-F2
CES-4A-D3
CES-4A-T3
CES-4A-F3
3
4
2
3
4
2
3
4
2
3
4
2
3
4
95.25 [3.75]
95.25 [3.75]
95.25 [3.75]
95.25 [3.75]
95.25 [3.75]
95.25 [3.75]
95.25 [3.75]
95.25 [3.75]
95.25 [3.75]
95.25 [3.75]
95.25 [3.75]
95.25 [3.75]
95.25 [3.75]
95.25 [3.75]
Min.
Expanded
I.D.
(Each Leg)
10.16 [0.4]
10.16 [0.4]
15.24 [0.6]
10.16 [0.4]
10.16 [0.4]
15.24 [0.6]
15.24 [0.6]
15.24 [0.6]
15.24 [0.6]
15.24 [0.6]
15.24 [0.6]
22.86 [0.9]
22.86 [0.9]
22.86 [0.9]
Max.
Recovered
I.D.
(Each Leg)
2.79 [0.11]
2.79 [0.11]
2.79 [0.11]
2.79 [0.11]
2.79 [0.11]
4.32 [0.17]
4.32 [0.17]
4.32 [0.17]
4.32 [0.17]
4.32 [0.17]
4.32 [0.17]
7.62 [0.30]
7.62 [0.30]
7.62 [0.30]
Max. I.D.
of Part
Pipe Thread
Size (NPT)
12.70 [0.50]
12.70 [0.50]
19.05 [0.75]
19.05 [0.75]
19.05 [0.75]
25.40 [1.00]
25.40 [1.00]
25.40 [1.00]
27.94 [1.10]
27.94 [1.10]
27.94 [1.10]
37.34 [1.47]
37.34 [1.47]
37.34 [1.47]
1/2–14
1/2–14
3/4–14
3/4–14
3/4–14
1–11 1/2
1–11 1/2
1–11 1/2
1 1/2–11 1/2
1 1/2–11 1/2
1 1/2–11 1/2
1 1/2–11 1/2
1 1/2–11 1/2
1 1/2–11 1/2
Note: Coating is optional. As supplied dimensions appearing in table are for uncoated parts. When coating is added,
entry diameters will be reduced by 1.5 [.06] max.
4-97
Catalog 1654025
Revised 12-04
www.tycoelectronics.com
Dimensions are in millimeters
and inches unless otherwise
specified. Values in brackets
are U.S. equivalents.
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
USA: 1-800-522-6752
Canada: 1-905-470-4425
Mexico: 01-800-733-8926
C. America: 52-55-5-729-0425
South America: 55-11-3611-1514
Japan: 81-44-900-5102
Singapore: 65-4866-151
UK: 44-1793-528171
Accessories
CES (Continued)
Right-Angle Threaded CES
A
A
C
C
D
D
B
B
Part
No.
CES-2R-A50
CES-2R-A75
CES-3R-A100
CES-3R-A150
C
Min. Exp. ID
12.70 [0.50]
18.03 [0.71]
27.94 [1.10]
40.64 [1.60]
B
ID Min
12.70 [0.50]
19.05 [0.75]
25.40 [1.00]
27.94 [1.10]
Max. Rec. ID
7.11 [0.28]
8.38 [0.33]
9.65 [0.38]
15.75 [0.62]
Length
A
D
35.56 [1.4]
25.40 [1.00]
43.18 [1.7]
27.94 [1.10]
53.34 [2.1]
33.78 [1.33]
78.74 [3.1]
39.62 [1.56]
NPT
Size
1/2-14
3/4-14
1-11 1/2
1 1/2-11 1/2
Right-Angle Breakout CES
A
A
C
C
D
D
B
B
Part
No.
CES-1R
CES-2R
CES-3R
CES-4R
C
Min. Exp. ID
12.70 [0.50]
18.03 [0.71]
27.94 [1.10]
40.64 [1.60]
Max. Rec. ID
7.11 [0.28]
8.38 [0.33]
9.65 [0.38]
15.75 [0.62]
B
ID Min
12.70 [0.50]
19.05 [0.75]
27.94 [1.10]
40.64 [1.60]
Length
D
A
35.56 [1.4]
42.67 [1.68]
43.18 [1.7]
44.96 [1.77]
53.34 [2.1]
58.42 [2.30]
78.74 [3.1]
71.12 [2.80]
Drill
Size
25.40 [1.00]
25.40 [1.00]
34.80 [1.37]
50.80 [2.00]
4-98
Catalog 1654025
Revised 12-04
www.tycoelectronics.com
Dimensions are in millimeters
and inches unless otherwise
specified. Values in brackets
are U.S. equivalents.
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
USA: 1-800-522-6752
Canada: 1-905-470-4425
Mexico: 01-800-733-8926
C. America: 52-55-5-729-0425
South America: 55-11-3611-1514
Japan: 81-44-900-5102
Singapore: 65-4866-151
UK: 44-1793-528171
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