Eaton Freedom Series - Thermal Overload Relays
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EATON Freedom Series NEMA Contactors & Electric Motor Starters

Freedom Series Thermal Overload Relays

32A Overload—C306DN3B

Eaton Freedom Series Thermal Overload Relays

Product Description:

C306 Overload Relays are designed for use with CE or CN non-reversing and reversing contactors. Four sizes are available for overload protection up to 144A.

Features

  • Selectable manual or automatic reset operation
  • Interchangeable heater packs adjustable ±24% to match motor FLA and calibrated for use with 1.0 and 1.15 service factor motors. Heater packs for 32A overload relay will mount in 75A overload relay—useful in derating applications such as jogging
  • Class 10 or 20 heater packs
  • Load lugs built into relay base
  • Bimetallic, ambient compensated operated. Trip free mechanism
  • Electrically isolated NO-NC contacts (pull RESET button to test)
  • Overload trip indication
  • Shrouded or fingerproof terminals to reduce possibility of electrical shock

Freedom Series - C306 Thermal Overload Relays for use with Contactors

C306DN3B

Eaton Freedom Series C306 Thermal Overload Relay
NEMA Size Maximum
Ampere Rating
Number of Poles Open Type
Part Number
NEMA 1 Enclosed
Part Number
00,0 32 (2) 3 C306DN3B C306DG3B
1, 2 75 (2) 3 C306GN3B C306GG3B
3 105 (3) 3 C306KN3 ~
4 144 (3) 3 C306NN3 ~
5 - 8 (1) ~ ~ ~ ~

Notes

(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 or panel mounted using adapter.
(3) These relays can be panel mounted only.
(4) Overload relay assembled with mounting adapter for DIN rail or panel mount.
(5) Panel mount only.
(6) NEMA Sizes 5–8 use the 32A overload in conjunction with CTs.


Freedom Series - C306 Thermal Overload Relays for Standalone Applications

C306DT3B

Eaton Freedom Series C306 Thermal Overload Relay for Standalone Apps
NEMA Size Maximum Ampere Rating Number of Poles Open Type
Part Number
00, 0, 1 (4) 32 3 C306DT3B
1 (4) 75 3 C306GT3B
3 (5) 105 3 C306KN3
4 (5) 144 3 C306NN3
5 - 8 (6) ~ ~ ~

Notes

(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 or panel mounted using adapter.
(3) These relays can be panel mounted only.
(4) Overload relay assembled with mounting adapter for DIN rail or panel mount.
(5) Panel mount only.
(6) NEMA Sizes 5–8 use the 32A overload in conjunction with CTs.


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