Eaton Class 20 Freedom Series 3-Pole Heater pack has current rating of 84.7 - 115-Amps. Overload relay base of heater pack has load lugs to allow the load wiring prior to heater pack installation. Standard trip heater pack is suitable for use with NEMA sizes 3/4 Series A and 105/144-Amps overload relays. Heater pack is UL listed and CSA/CE certified.