Eaton Cutler-Hammer 3 pole Thermal Overload Relay for use with Freedom Series Contactors NEMA size 1 and 2. Maximum Ampere Rating is 75. Series B overload relays have load lugs built into relay base and will only accept Series B heater packs. 1 NO-1 NC Auxiliary contact.
Miscellaneous from Eaton / Cutler-Hammer / Westinghouse