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FLA DIAL ADJUSTMENT - For motors having a 1.15
service factor, rotate the FLA adjustment dial to corre-
spond to the motor's FLA rating. Estimate the dial posi-
tion when the motor FLA falls between two letter values
as shown in the example.
For motors having 1.0 service factor, rotate the FLA dial
one-half position counter-clockwise (CCW).
1.0
FLA
Service
Adjustment
Factor
Dial
Example of a 12.0 FLA setting for a heater pack number H2011B
showing position for 1.0 or 1.15 service factor motor.
MANUAL/AUTOMATIC RESET - The overload relay is
factory set at "M" for manula reset operation as shown
in the illustration. For automatic reset operation, turn
the reset adjustment dial to the "A" position. Automatic
reset is not intended for two-wire control devices.
A
Reset
Adjustment
M
Dial
TEST FOR TRIP INDICATION - To test overload relay
for trip indication when in manual reset, pull out the blue
reset button. An orange flag will appear indicating that
the device has tripped. Push reset button into reset.
NEMA SIZE 0 AND 1
HEATER PACK SELECTION TABLE
MOTOR FLA RATING
FLA DIAL POSITIONS
A
B
.254
.306
.359
.375
.452
.530
.560
.676
.791
.814
.983
1.15
1.20
1.45
1.71
1.79
2.16
2.53
2.15
2.60
3.04
3.23
3.90
4.56
4.55
5.50
6.45
6.75
8.17
9.58
9.14
10.8
12.4
14.0
16.9
19.9
18.7
22.7
26.7
23.5
28.5
33.5
MAXIMUM RATINGS
NEMA SIZE
AMPERES
0
18
1
27
Use 75°C copper conductors only
Max. Wire Size - 8 AWG
NOTE: After the above referenced settings have been
made, rotate the FLA dial one position clockwise for these
heaters (see table). If less than one position is available,
rotate dial maximum. This note does not apply when these
heaters are used with adapter base. Catalog No. C306TB1.
Exception: does not apply to AN16DN0.
I.B. 8926-1
1.0
B
C
Service
A
D
Factor
Example of setting for
manual reset.
SIZE F
STD
TRIP
CLASS 20
C
D
.411
H2001B
.607
H2002B
.907
H2003B
1.32
H2004B
1.96
H2005B
2.90
H2006B
3.49
H2007B
5.23
H2008B
7.40
H2009B
11.0
H2010B
14.0
H2011B
22.8
H2012B
30.7
H2013B
—
H2014B
SIZE
AMPERS
F
32
WARNING - To provide continued protection against fire
or shock hazard, the complete overload relay must be
replaced if burnout of the heater element occurs.
NEMA SIZE 2
HEATER PACK SELECTION TABLE
MOTOR FLA RATING
FLA DIAL POSITIONS
A
3.23
4.55
6.75
9.14
14.0
18.7
23.5
29.0
39.6
53.9
NEMA SIZE
2
Use 75°C copper conductors only
NOTE: After the above referenced settings have been
made, rotate the FLA dial one position clockwise for
these heaters (see table). If less than one position is
available, rotate dial to maximum. This note does not
apply when these heaters are used with adapter base.
Catalog No. C306TB1.
NEMA SIZE 3 and 4
HEATER PACK SELECTION TABLE
MOTOR FLA RATING
FLA DIAL POSITIONS
A
18.0
24.6
33.5
45.7
62.2
84.7
106
NEMA SIZE
3
4*
NOTES: Part Winding Starters - Select heater packs
for 50% of the motor FLA
Wye Delta Starters - Select heater packs for 58%
motor FLA
For motor FLA values not listed, turn the dial clockwise
for higher or counterclockwise for lower ratings.
- Page 18 -
B
C
D
3.90
4.56
5.23
5.50
6.45
7.40
8.17
9.58
11.0
10.8
12.4
14.0
16.9
19.9
22.8
22.7
26.7
30.7
28.5
33.5
38.5
34.0
39.1
44.1
45.5
51.5
57.4
60.9
67.9
74.9
MAXIMUM RATINGS
AMPERES
SIZE
45
J
K
Max. Wire Size - 3 AWG
B
C
D
20.2
22.3
24.5
27.6
30.5
33.4
37.5
41.5
45.6
51.2
56.7
62.1
69.7
77.1
84.6
94.9
105
115
118
131
144
MAXIMUM RATINGS
AMPERES
SIZE
90
N*
135
Minimum Wire Size - 6 AWG
SIZE J AND K
STD
TRIP
CLASS 20
H2008B
H2009B
H2010B
H2011B
H2012B
H2013B
H2014B
H2015B
H2016B
H2017B
AMPERS
60
73
SIZE N
STD
TRIP
CLASS 20
H2018
H2019
H2020
H2021
H2022
H2023
H2024
AMPERS
14
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