Perspective, face, side, back, bus-stab and lug views shown above. Two Pole 120/240 Volt Ground Fault Interrupting Circuit Breaker 2" Wide. 10,000 Ampere Maximum Interrupting Capacity. Trip Threshold of 5 Milliampere Current Leakage. Requires two 1" wide spaces in loadcenter. Wire Size Range #14-4 AWG Copper or Aluminum.