Eaton Class 20 Freedom Series 3-Pole Heater pack has current rating of 3.23 - 5.23-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 00/0 C series, NEMA sizes 1/2 series B and 32/75-Amps C306DN3B overload relays. Heater pack is UL listed and CSA/CE certified.