Specifications:

Type: Thermal Magnetic Switch, Electronic RMS 310 Trip, HMDL Frame
Voltage Rating: 600 Volt AC at 50/60 Hertz
Maximum AC Voltage Rating: 600 Volt AC
Current Rating: 800 Amp at 40 Deg C
Number of Poles: 3
Interrupting Rating: 42 Kiloamp at 125/250 Volt DC, 35 Kiloamp at 600 Volt DC
Terminal Type: Not Included
Size: 8.25 Inch Width x 4.06 Inch Depth x 16 Inch Height
Approval: UL 489, CSA C22.2
Accessory Type: Breaker Frame