February 2007

CA08102001E

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33-117

NEMA Contactors & Starters

33

Freedom

Relays — Thermal Overload

Product Selection

Table 33-168. C306 Thermal Overload Relays

NEMA Sizes 5 – 8 use the 32A overload in conjunction with CTs.

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 or panel mounted using adapter on Page 33-115.

These relays can be panel mounted only.

Table 33-169. C306 Thermal Overload Relays

Overload relay assembled with mounting adapter for DIN rail or

panel mount.

Panel mount only.

NEMA Sizes 5 – 8 use the 32A overload in conjunction with CTs.

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 33-170. Starters with Series B Overload Relays

Note: The series of a starter is the last digit of the listed Catalog

Number. EXAMPLE: AN16DN0AB.

For Use with Freedom

Series Contactors

Maximum

Ampere

Rating

Number

of Poles

Open Type

NEMA 1 Enclosed

NEMA

Size

Catalog

Number

Price

U.S. $

Catalog

Number

Price

U.S. $

00, 0

1, 2

3

4

5 – 8

32

75

105

144

—

3

3

3

3

—

C306DN3B

C306GN3B

C306KN3

C306NN3

—

C306DG3B

C306GG3B

—

75A Overload

Cat. No. C306GN3B

75A Overload

Cat. No. C306GT3B

32A Overload

Cat. No. C306DT3B

32A Overload

Cat. No. C306DN3B

For Stand-Alone

Applications

Maximum

Ampere

Rating

Number

of Poles

Open Type

NEMA Size

Catalog

Number

Price

U.S. $

00, 0, 1

1

3

4

5 – 8

32

75

105

144

—

3

3

3

3

—

C306DT3B

C306GT3B

C306KN3

C306NN3

—

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 . . . . . . . . Page 33-114

Dimensions . . . . . . . . . . . . Page 33-116

Replacement Parts . . . . . Pages 33-115 – 33-116

Discount Symbol . . . . . . . 1CD1C