Specifications : Amperage: 40 Poles: 2 Mounting Type: Plug-On UPC: 782113101835 MPN: CH240 Voltage: 120/240VAC Phase: 1 Functions: LI - Long Time and Instantaneous Protection: Thermal Magnetic For Use With: Load Center Wire Gauge: 14 to 2 AWG Aluminum/Copper Interrupting Rating: 10kA at 240V Approval: UL, CSA