Technical data
33-36
For more information contact Cutler-Hammer at: www.ch.cutler-hammer.com/catalog CAT.201.01.T.E
January 2001
NEMA Contactors & Starters
33
Thermal Overload Relays
Freedom Line
Vol. 2, Ref. No. [0052]
Product Selection
Table 33-72. C306 Thermal Overload Relays
1
NEMA Sizes 5 – 8 use the 32A overload in conjunction with CTs.
2
Series B overload relays have load lugs built into relay base and will only accept Series B heater packs. These relays can be directly attached to
contactor or they can be DIN rail mounted using adapter on Page 33-34.
3
These relays can be panel mounted only.
Heater Pack Selection
Heater packs H2001B to H2017B and H2101B to H2117B are
to be used only with Series B overload relays Catalog
Numbers C306DN3B (Part No. 10-7016) and C306GN3B
(Part No. 10-7020). The load lugs are built into the overload
relay base to allow load wiring prior to heater pack installa-
tion. The previous heater design had integral load lugs.
The Series B heater packs are electrically equivalent to the
previous heater design. Heaters H2018-3 to H2024-3 have
not changed.
Table 33-73. Starters with Series B Overload Relays
Note: The series of a starter is the last digit of the listed Catalog
Number. EXAMPLE: AN16DN0AB.
75A Overload
Cat. No. C306GN3B
For Use with Freedom
Series Contactors
Maximum
Ampere
Rating
Number
of Poles
Open Type NEMA 1 Enclosed
NEMA IEC Catalog
Number
Price
U.S. $
Catalog
Number
Price
U.S. $
00, 0
1, 2
3
4
5 – 8
1
A – F
G – K
L – M
N
—
32
2
75
2
105
3
144
3
—
3
3
3
3
—
C306DN3B
C306GN3B
C306KN3
C306NN3
—
70.50
122.00
174.00
242.00
—
C306DG3B
C306GG3B
—
97.50
174.00
—
Heater Pack
H2001B – H2017B
Heater Pack
H2101B – H2117B
Heater Pack
H2018 – H2024
NEMA — AN Type IEC — AE Type
Size Series Size Series
00 – 0
1 – 2
5
6
7 – 8
C
B
B
C
B
A – F
G – K
C
B
Technical Data . . . . . . . . . . . . . Pages 33-33 – 33-34
Dimensions . . . . . . . . . . . . . . . . Page 33-35
Replacement Parts . . . . . . . . . Pages 33-34 – 33-35
Discount Symbol . . . . . . . . . . . 1CD1C
Tab3301.fm Page 36 Monday, October 23, 2000 9:49 PM