W55 - Allen-Bradley - Overload Relay Heater Type_ SMB Requirements for sizing of wire:

Requirements for sizing of wire: All wire rated 167 °F (75 °C) or higher must be sized per the local electrical code for 167 °F (75 °C) wire

Product Description - HDA261252 - Square D Powerpact Circuit Breaker

Family: QO Series

13" diameter and can interrupt up to 10kA at 250V

W55 - Allen-Bradley - Overload Relay Heater Type_ SMB Requirements for sizing of wire:W55 Allen Bradley Overload Relay Heater Heater Element, Eutectic Alloy Type Overload Relay, Bulletin 500 Line Starters, Trip Class 20, Type W, Size 00.. 0 (Full Load Amps 13. 6), Size 1 (Full Load Amps 13. 7), Size 2 (Full Load Amps 13. 8) Allen Bradley standard overload relay protection is provided using Type W heater elements for the 500 Line. This provides Class 20 operation and is recommended for General Applications. Manufacturer: Allen Bradley