Eaton Freedom Series Class 20 definite-purpose heater pack has a full load current ranging from 53.9 to 74.9-Amps. This NEMA and IEC designed heater pack is ideal for use with size 2 and series B sizes G-K starters. The standard trip heater pack features 75-Amp overload relay for operation. The definite-purpose heater pack meets UL and CSA standards.