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Chromalox PB402-4 Folheto

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Chromalox
®
DIVISION  
4
                                      SECTION  
CBH
SALES
REFERENCE
DATE
SERVICE REFERENCE
Installation Instructions
PB402-4
161-049132-001
MARCH, 1999
(Supersedes PB402-3)
© 2010 Chromalox, Inc.
Type CBH Electric Stud Heater
GENERAL
WARNING:  This heater is not intended for use in
hazardous atmospheres where flammable vapors,
gases, liquids or other combustible atmospheres are
present as defined in the National Electrical Code.
Failure to comply can result in explosion or fire.
The Chromalox electric stud heaters are ruggedly constructed
and if properly installed, operated and maintained, will provide
long life and dependable, trouble-free service.
Since excess temperatures may permanently damage the heaters,
temperature regulating and limiting controls are recommended.
WARNING:  Users should install adequate back-up
controls and safety devices with their electric heat-
ing equipment. Where the consequences of failure
may be severe, back-up controls are essential.
Although the safety of the installation is the respon-
sibility of the user, Chromalox will be glad to make
equipment recommendations.
CBH Heater
Inserted into Standard Drill Hole
INSTALLATION
WARNING:  Hazard of Electric Shock. Disconnect
all power before installing heater.
1. Select the heater with the proper diameter and insertion length 
closest to the size hole in the stud or bolt being heated. The
heated section must be inserted in the stud when energized.
Insert the entire heated length of heater into stud hole.
WARNING:  Stud hole must not be larger for heater
being used than that shown in Table A Specifications.
A stud hole five thousandths larger than specified will
cause premature burnout or permanent damage to
heater.
2. Graphite and other lubricants to help insert the cartridge 
heater into the hole are not recommended. They are electrical-
ly conductive and can contaminate the heater and shorten
heater life. Chromalox HTRC (Heat Transfer and Release
Coating) is recommended.
A
B
C
D
E
Max.
Insertion
Heater
Heater
Cold
Cold
Stud Hole
Model
Volts
Watts
Length
Length
Diameter
End
End
Diameter*
CBH-1815
120
1150
18”
12”
0.553”
1-1/8”
6-7/8”
0.616
CBH-2415
120
1500
24”
18”
0.553”
1-1/8”
6-7/8”
0.616
CBH-3025
120
2250
30”
24”
0.553”
1-1/8”
6-7/8”
0.616
CBH-3025
240
2250
30”
24”
0.553”
1-1/8”
6-7/8”
0.616
CBH-3625
120
2600
36”
30”
0.553”
1-1/8”
6-7/8”
0.616
CBH-3625
240
2600
36”
30”
0.553”
1-1/8”
6-7/8”
0.616
CBH-1816
120
1200
18”
12”
0.660”
1-1/8”
6-7/8”
0.735
CBH-2416
120
1700
24”
18”
0.660”
1-1/8”
6-7/8”
0.735
CBH-3026
120
2300
30”
24”
0.660”
1-1/8”
6-7/8”
0.735
CBH-3626
120
2800
36”
30”
0.660”
1-1/8”
6-7/8”
0.735
CBH-1827
120
1700
18”
12”
0.730”
1-1/4”
6-3/4”
0.860
CBH-2427
120
2500
24”
18”
0.730”
1-1/4”
6-3/4”
0.860
CBH-3647
120
4200
36”
30”
0.730”
1-1/4”
6-3/4”
0.860
CBH-3647
240
4200
36”
30”
0.730”
1-1/4”
6-3/4”
0.860
CBH-4867
240
6000
48”
42”
0.730”
1-1/4”
6-3/4”
0.860
CBH-4867
480
6000
48”
42”
0.730”
1-1/4”
6-3/4”
0.860
CBH-6177
240
7500
60”
54”
0.730”
1-1/4”
6-3/4”
0.860
CBH-2438
240
2700
24”
18”
0.855”
1-1/4”
6-3/4”
0.985
CBH-3048
120
3600
30”
24”
0.855”
1-1/4”
6-3/4”
0.985
CBH-4258
240
5300
42”
36”
0.855”
1-1/4”
6-3/4”
0.985
CBH-4258
480
5300
42”
36”
0.855”
1-1/4”
6-3/4”
0.985
CBH-4868
240
6500
48”
42”
0.855”
1-1/4”
6-3/4”
0.985
CBH-4269
240
6000
42”
36”
0.980”
1-1/4”
6-3/4”
1.110
CBH-4269
480
6000
42”
36”
0.980”
1-1/4”
6-3/4”
1.110
CBH-6189
240
8000
54”
48”
0.980”
1-1/4”
6-3/4”
1.110
CBH-6619
480
9000
66”
60”
0.980”
1-1/4”
6-3/4”
1.110
CBH-6011
480
11500
60”
54”
1.106”
1-1/4”
6-3/4”
1.236
* Stud Hole Diameter should be held closer to the heater diameter, if possible. Consult factory for use of heaters in stud hole diameters
not listed in Specifications.
Specifications — Table A
2”
E
A
± 1/4”
D
C
4” Octagon Box,
3/4” Knockout
B
± 1/8”