Technical data

33-34
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. [0050]
Technical Data (Continued)
Table 33-64. Overload Relay UL/CSA Contact Ratings Control Circuit
1
1
DC ratings cover Freedom Series coils only.
Factory Modifications
C306 Thermal Overload Relays with Mounting Adapter
Consists of a thermal overload relay mounted to a terminal
base adapter — permits fast and easy installation.
Table 33-65. Product Selection
Accessories
DIN Rail and Panel Mounting Adapter
These adapters are required when
component overload relays are to be
separately mounted. The terminal base
adapter includes line terminals and
connects with the overload relays on
Page 33-36.
Table 33-66. Product Selection
2
This Series B adapter will accept Series A or B overload relays
(C306GN3 or C306GN3B), C306TB2 can only be used with C306GN3.
Locking Cover for Overload Relay — C306 Only
Snap-on transparent or opaque plastic panel
for covering access port to the overload relay
trip setting dial — helps prevent accidental or
unauthorized changes to trip and reset setting.
Table 33-67. Product Selection
Replacement Parts
Heater Pack Replacement
For replacement of heater
packs with built-in load lugs.
Series A or prior heater packs
have load lugs built in.
Table 33-68. Heater Pack Requirements
Note: When inventory of the previous series heater packs is
exhausted, a Series B replacement kit will be provided under the
same catalog number. This kit will include the equivalent Series B
heater pack, Catalog Number C306KAL1-3 lug adapters and installa-
tion instructions. This kit can be used in Series Al overload relays
that do not have load lugs built in.
Table 33-69. Heater Pack Ratings
AC Volts 120V 240V 480V 600V
NC Contact B600
Make and Break Amps 30 15 7.5 6
Break Amps 3 1.5 .75 .6
Continuous Amps 5 5 5 5
NO Contact C600
Make and Break Amps 15 7.5 3.375 3
Break Amps 1.5 .75 .375 .3
Continuous Amps 2.5 2.5 2.5 2.5
Description Catalog
Number
Price
U.S. $
C306DN3B + C306TB1
C306GN3B + C306TB2B
C306DT3B
C306GT3B
81.00
141.00
Description Catalog
Number
Price
U.S. $
For 32A Overload Relay
For 75A Overload Relay
C306TB1
C306TB2B
2
10.10
20.10
Cat. No. C306TB1
Description Min.
Order Qty.
(Std. Pkg.)
Catalog
Number
Price
U.S. $
Clear cover, no accessibility 50 C320PC3 .86
Gray cover, no accessibility
w/Auto only nib
50 C320PC4 .86
Gray cover, no accessibility,
w/Manual only nib
50 C320PC5 .86
Gray cover with FLA dial
accessibility, A, B, C, D positions
and Auto only nib
50 C320PC6 .86
Gray cover with FLA dial
accessibility, A, B, C, D positions
and Manual only nib
50 C320PC7 .86
Existing Heater Pack Catalog
Numbers
Product Required
H2001A-3 – H2014A-3
H2001-3 – H2014-3
H2101-3 – H2113-3
Order identical Heater Pack Catalog
Number — see note below
H2015A-3 – H2017A-3
H2018-3 – H2024-3
H2114-3 – H2117-3
Order identical Heater Pack Catalog
Number
H2015-3 – H2017-3 Choose Heater Pack from table below
Motor Full Load Ampere Rating Order
Heater Pack
Catalog Number
Price
U.S. $
Dial Position
ABCD
29.0
39.6
53.9
32.5
44.3
60.4
36.0
49.1
66.8
39.5
53.8
74.9
H2015A-3
H2016A-3
H2017A-3
30.50
30.50
30.50
Discount Symbol . . . . . . . . . . . . . . . . . . . . . . . 1CD1C
Superseded
Series A
Heater Pack
Tab3301.fm Page 34 Monday, October 23, 2000 9:49 PM